NCERA_old57: Swine Reproductive Physiology

(Multistate Research Coordinating Committee and Information Exchange Group)

Status: Inactive/Terminating

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SAES-422 Reports

07/20/2020

Publications


Basic Science and Technology



  1. Gruhot, T.R., Rempel, L.A., White, B.R., Mote, B.E. 2020. The effect of varicocele on semen quality in boars exposed to heat stress. Translational Animal Science. 4(1):1-6. https://doi.org/10.1093/tas/txaa003.

  2. Kerns K, Sharif M, Zigo M, Miller D, Sutovsky S. 2020. Sperm capacitation-induced zinc efflux is necessary for increased proteasomal activity and release from oviduct glycans of the sperm reservoir. Int J Mol Sci 21:2121.

  3. Rubessa, M., Feugang, J.M., Kandel, M.E., Schreiber, S., Hessee, J., Salerno, F., Meyers, S., Chu, I., Popescu, G., Wheeler, M.B. 2020. High-throughput sperm assay using label-free microscopy: morphometric comparison between different sperm structures of boar and stallion spermatozoa. Animal Reproduction Science. 106509. https://doi.org/10.1016/j.anireprosci.

  4. Sharif M, Kerns K, Sutovsky P, Bovin N, Miller. DJ Progesterone induces porcine sperm release from oviduct glycans in a proteasome-dependent manner. Submitted.

  5. Walsh, S.C., Miles, J.R., Yao, L., Broeckling, C.D., Rempel, L.A., Wright-Johnson, E.C., Pannier, A.K. 2020. Metabolic compounds within the porcine uterine environment are unique to the type of conceptus present during the early stages of blastocyst elongation. Journal of Molecular Reproduction and Development. 87:174-190. https://doi.org/10.1002/mrd.23306.

  6. Boettcher AN, Kiupel M, Adur MK, Cocco E, Santin AD, Bellone S, Charley SE, Blanco-Fernandez B, Risinger JI, Ross JW, Tuggle CK, Shapiro EM. Human Ovarian Cancer Tumor Formation in Severe Combined Immunodeficient (SCID) Pigs. Front Oncol. 2019 Jan 22;9:9. doi: 10.3389/fonc.2019.00009. eCollection 2019. PMID: 30723704.

  7. Schultz, R., Serao, N.L., Ross, J.W. 2019. Genetic improvement of livestock, from conventional breeding to biotechnological approaches. In: Animal Agriculture:Sustainability, Challenges and Innovations. Eds. Bazer, F.W., Wu, G. In Press (Elsevier).

  8. Mayorga E.J., Renaudeau, D., Ramirez, B.C., Ross, J.W., Baumgard, L.H. 2019. Heat stress adaptation in pigs. Animal Frontiers 9:54-61.


Boar Performance



  1. Feugang JM, Rhoads CE, Mustapha PO, Tardif S, Parrish JJ, Willard ST, Ryan PL. 2019. Treatment of boar sperm with nanoparticles for improved fertility. Theriogenology 137:75-81.

  2. Hufana-Duran D, Duran PG, Venturina E, Peralta MD, Parrish JJ. 2019. Predicting bull fertility by sperm nuclear shape in water buffalo (bubalus bubalis). Thai J. Vet Med 49:75-81.

  3. Lugar, D.W., Harlow, K.E., J. Hundley, M. Goncalves, J. Bergstrom, and K.R. Stewart. 2019. Effects of increased levels of supplemental vitamins during the summer in a commercial AI boar stud. Animal 1-13. doi:10.1017/S1751731119001150


Genetics and Genomics



  1. Wijesena, H.R., Rohrer, G.A., Nonneman, D.J., Keel, B.N., Petersen, J.L., Kachman, S.D., Ciobanu, D.C. 2019. Evaluation of genotype quality parameters for SowPro90, a novel genotyping platform for swine. Journal of Animal Science. 97(8):3262-3273. https://doi.org/10.1093/jas/skz185.

  2. Lents, C.A., Lindo, A.N., Hileman, S.M., Nonneman, D.J. 2020. Physiological and genomic insight into neuroendocrine regulation of puberty in gilts. Domest Anim Endocrinol. 11:106446. doi: 10.1016/j.domaniend.2020.106446.


Sow and Gilt Performance



  1. Harlow, K., Ferreira, C.R., Sobreira, T.J.P., Casey, T. and K.R. Stewart.   Lipidome profiles of postnatal day 2 vaginal swabs reflect fat composition of gilt’s postnatal diet. PLoS ONE 14(9): e0215186. https://doi.org/10.1371/journal.pone.0215186

  2. Harlow, K., Suarez-Trujillo, A., Hedrick, V., Sobreira, T.J.P., Aryal, U.K., Stewart, K.R. and T. Casey. Temporal analysis of vaginal proteome reveals developmental changes in lower reproductive tract of gilts across the first two weeks of postnatal.  Sci Rep. 2019 Sep 13;9(1):13241. doi: 10.1038/s41598-019-49597-w. 

  3. Leonard, S.M., Xin, H., Brown-Brandl, T.M., Ramirez, B.C., Dutta, S., Rohrer, G.A. 2020. Effects of farrowing stall layout and number of heat lamps on sow and piglet production performance. Animals. 10:348. https://doi.org/doi:10.3390/ani10020348.

  4. Seibert, J.T., Adur, M.K., Schultz, R.B., Thomas, P.Q., Kiefer, Z.K., Keating, A.F., Baumgard, L.H., Ross, J.W. 2019. Differentiating between the effects of heat stress and lipopolysaccharide on the porcine ovarian heat shock protein response. J Anim Sci. 97:4965-4973. doi: 10.1093/jas/skz343. PMID: 31782954.

  5. Bidne KL, Romoser MR, Ross JW, Baumgard LH, Keating AF. 2019. Heat stress during the luteal phase decreases luteal size but does not affect circulating progesterone in gilts1. J Anim Sci. 97:4314-4322. doi: 1093/jas/skz251.

  6. Hines EA, Romoser MR, Kiefer ZE, Keating AF, Baumgard LH, Niemi J, Gabler NK, Patience JF, Haberl B, Williams NH, Kerr BJ, Touchette KJ, Ross JW. 2019. The impact of dietary supplementation of arginine during gestation in a commercial swine herd: I. Gilt reproductive performance. J Anim Sci. 97:3617-3625. doi: 10.1093/jas/skz233.


Teaching and Extension



  1. Boyd, R., Zier-Rush, C., Moeser, A., Culbertson, M., Stewart, K., Rosero, D., & Patience, J. 2019. Review: Innovation through research in the North American pork industry. Animal, 13(12), 2951-2966. doi:10.1017/S1751731119001915


 


Abstracts/Posters/Professional Presentations



  1. Adur, M.K., Romoser, M.R., Bidne, K.L., Schultz, R.B., Keating, A.F., Baumgard, L.H., Ross, J.W. 2019 Proteomic assessment of the intra-uterine secretome during the peri- implantation phase to understand effects of increased ambient temperature on the porcine heat stress 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  2. Corredor, F.A., Sanglard, L.P., Ross, J.W., Keating, A.F., Serao, N.L. 2019. Phenotypic and genomic relationships between vulva score and reproductive performance in first- parity sows. American Society of Animal Science Midwest Section Meeting. Omaha, March 11-13.

  3. Desaulniers, A., Cederberg, R., Knox, R., Lents, C.A., White, B. 2019. Use of genetic engineering to elucidate reproductive physiology of the boar. In: Missouri Physiological Society 2019 Annual Meeting Abstracts, 26Oct2019, Columbia, MO. pp. 6.

  4. Doungkamchan K, Parrish JJ, Miller DJ. 2020. Proteomic identification of molecular pathways and biomarkers related to porcine seasonal heat-induced infertility in males. 53rd Annual Meeting of the Society for the Study of Reproduction.

  5. Ebrecht, M.A., Ross, C.E., Cederberg, R.A., Lovercamp, K.W., Desaulniers, A.T., White, B.R. 2019. Effects of GnRH-II on spermatogenic function of swine. Proceedings of the 16th Annual Gilbert S. Greenwald Symposium on Reproduction and Perinatal Research. p. 44.

  6. Kerns K, Sharif M, Zigo M, Miller DJ, Sutovsky P. 2019. Sperm capacitation-induced zinc efflux is necessary for increased proteasomal activity and release from oviduct glycans of the sperm reservoir. 52th Annual Meeting of the Society for the Study of Reproduction.

  7. Kiefer, Z.E., Chipman, A.L., Studer, J., Johnson, C., Rademacher, C.J., Linhares, D.C.L., Ross, J.W. 2019. Update on Prolapses and Pig Survivability Initiative. James D. McKean Swine Disease Conference. Ames, Iowa. November 7-8.

  8. Kiefer, Z.E., Chipman, A.L., Studer, J.M., Koester, L.R., Showman, L., Keating, A.F., Schmitz-Esser, , Ross, J.W. 2019. Identification of putative factors associated with pelvic organ prolapse in sows during late gestation. 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  9. Knox RV, Belstra BA, Willenburg KL, D Gómez-López DH, and Stewart KR.   Effects of number of sperm and site of uterine semen deposition on conception rate and number of embryos in weaned sows receiving a single fixed time insemination. IXth International Conference on Boar Semen Preservation. Sydney, Australia

  10. Mills, K., U.K. Aryal, T. Sobreira, A.M. Minton, T. Casey, K.R. Stewart. 2020. Shotgun proteomics reveal seminal plasma proteomes are reflective of boar reproductive performance. 2020 Midwest ASAS.

  11. Park, S.B., Gruhot, T.R., Liao, S.F., Rude, B.J., Mote, B.E., Feugang, J.M. 2019. Favorable seminal plasma environment to sperm fertility after L-arginine addition to boar diet. 42nd International Conference of Boar Semen Preservation (ICBSP), Hunter Valley, NSW, Australia.

  12. Rohrer, G.A., Cross, A.J., Keel, B.N., Brown-Brandl, T.M., Cassady, J.P. 2019. Genetic factors associated with changes in feeding behavior due to elevated temperature. In: Proceedings of the Plant and Animal Genome Conference, San Diego, CA, Jan. 12-15, 2019. pg. 8, W034. Available: https://www.intlpag.org/2019/images/pdf/2019/PAGXXVII-abstracts-workshops.pdf

  13. Ross, C.E., Choat, F.H., Plager, K.N., Desaulniers, A.T., Cederberg, R.A., Mills, G.A., White, B.R. 2019. Effect of GnRH-II and its receptor on boar semen quality. Reproduction, Fertility and Development. 32(2):201. https://doi.org/10.1071/RDv32n2Ab53.

  14. Ross, J.W., Hale, B.J., Seibert, J.T., Adur, M.K., Keating, A.F., Baumgard, L.H. 2019. Physiological mechanisms through which heat stress compromises reproduction in pigs. 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  15. Schultz, R.B., Bidne, K.L., Romoser, M.R., Adur, M.K., Baumgard, L.H., Keating A.F., Ross, J.W. 2019. Effect of heat stress on the corpus luteum proteome during early pregnancy establishment in pigs. 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  16. Sharp, K., Mills, K., Garcia, R., K.R. Stewart.   Impacts of various farrowing induction protocols in attended farrowings.  Midwest ASAS, Omaha, NE.

  17. Shirley, L.K., L.K. Shirley, M. Burgett,A.P. Schinckel, T. Field, R. Garcia, J.S. Johnson, K.R. Stewart, R.M. Stwalley. Evaluations of cooling pads on late lactation sows.  Midwest ASAS, Omaha, NE.

  18. Stewart, K.R., T. Casey, K. Mills, U.K. Aryal and A.M. Minton. Shotgun proteome anaylsis of seminal plasma proteins differentiate boars by reproductive performance.  ICBSP, Hunter Valley, Australia.

  19. Studer, J.M., Kiefer, Z.E., Keating, A.F., Baumgard, L.H., Olsen, K.M., Rambo, Z., Wilson, M.E., Rapp, C., Ross, J.W. 2019. Investigating the impact of manganese supplementation on corpus luteum function. 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  20. Supakorn, C., Lents, C.A., Martinez, X., Vallet, J.L., Boyd, R.D., Rohrer, G.A., Dedecker, A.E., Stalder, K.J. 2019. Associations between day one piglet serum immunocrit ratio and subsequent growth during gilt development [abstract]. Journal of Animal Science. 97 (Supplement 2):146. Abstract 352. https://doi.org/10.1093/jas/skz122.258.

  21. Walsh, S., Miles, J.R., Wright-Johnson, E.C., Keel, B.N., Rempel, L.A., Pannier, A.K. 2019. Transcriptomic profiles of uniform populations of in vivo-produced spherical, ovoid, or tubular porcine embryos during the initiation of elongation. Reproduction, Fertility and Development. 32(2):152. https://doi.org/10.1071/RDv32n2Ab53.

07/12/2021

Basic Science and Technology



  1. Wijesena, H.R., Kachman, S.D., Lents, C.A., Riethoven, J.J., Trenhaile-Grannemann, M.D., Safranski, T.J., Spangler, M.L., Ciobanu, D.C. 2020. Fine mapping genetic variants associated with age at puberty and sow fertility using Sowpro90 genotyping array. Journal of Animal Science. 98(10):1-12. https://doi.org/10.1093/jas/skaa293.

  2. Azain, M., Cline, P.M., Tsai, T.C., Lents, C.A., Stelzleni, A.M., Dove, C.R. 2020. Interaction of dietary carbohydrate and fat on glucose metabolism in growing pigs. Research Square. pp. 22. https://doi.org/10.21203/rs.3.rs-48869/v1.

  3. Nastasijevic, I., Schmidt, J.W., Boskovic, M., Glisic, M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M., Bosilevac, J.M. 2020. Seasonal prevalence of Shiga toxin-producing Escherichia coli on pork carcasses for three steps of the harvest process at two commercial processing plants in the United States. Applied and Environmental Microbiology. 87(1):e01711-20. https://doi.org/10.1128/AEM.01711-20.

  4. Chaudhari, J., Liew, C., Workman, A.M., Riethoven, J.M., Steffen, D., Sillman, S., Vu, H.L.X. 2020. Host transcriptional response to persistent infection with a live-attenuated porcine reproductive and respiratory syndrome virus strain. Viruses. 12(8):817. https://doi.org/10.3390/v12080817.

  5. Vande Pol, K.D., Tolosa, A.F., Shull, C.M., Brown, C.B., Alencar, S.A., Lents, C.A., Ellis, M. 2021. Effect of drying and/or warming piglets at birth under warm farrowing room temperatures on piglet rectal temperature over the first 24 h after birth. Translational Animal Science. txab060. https://doi.org/10.1093/tas/txab060.

  6. Kerns K, Sharif M, Zigo M, Miller D, Sutovsky S. 2020. Sperm capacitation-induced zinc efflux is necessary for increased proteasomal activity and release from oviduct glycans of the sperm reservoir. Int J Mol Sci 21:2121.

  7. Sharif M, Kerns K, Sutovsky P, Bovin N, Miller. DJ  2021. Progesterone induces porcine sperm release from oviduct glycans in a proteasome-dependent manner. Reproduction. 161:449-457.

  8. Johnson, JS, JM Maskal, AW Duttlinger, KR. Kpodo, BR McConn, CJ Byrd, BT Richert, JN Marchant-Forde, DC Lay, SD Perry, MC Lucy, TJ Safranski.   In utero heat stress alters the postnatal innate immune response of pigs. J. Anim. Sci. 98 (12):1-13.

  9. Bernhard, CJ, KG Sharp, TJ Safranski, WR Lamberson and MC Lucy.   Reproduction and reproductive tract morphology of male and female pigs whose mothers were heat stressed during the second month of gestation.  J. Anim Sci. 98(11): 1-12.

  10. Maskal, J.M., AW Duttlinger, KR Kpodo, BR McConn, CJ Byrd, JN Marchant-Forde, DC Lay, SD Perry, MC Lucy, TJ Safranski, JS Johnson.   Evaluation and mitigation of the effects of in utero heat stress on piglet growth performance, postabsorptive metabolism, and stress response following weaning and transport.  J. Anim. Sci., 98(9):1-13.

  11. Ciccarelli M, Giassetti MI, Miao D, Oatley MJ, Robbins C, Lopez-Biladeau B, Waqas MS, Tibary A, Whitelaw B, Lillico S, Park CH, Park KE, Telugu B, Fan Z, Liu Y, Regouski M, Polejaeva IA, Oatley JM. Donor-derived spermatogenesis following stem cell transplantation in sterile NANOS2knockout males. Proc Natl Acad Sci U S A. 2020 Sep 29;117(39):24195-24204.  PMID: 32929012

  12. Park CH, Jeoung YJ, Uh KJ, Park KE, Bridge J, Powell A, Li J, Pence L, Zhang Y, Liu T, Sun H, Gu Y, Shen Y, Wu J, Belmonte J-C, Telugu BP*. Extraembryonic Endoderm (XEN) Cells Capable of Contributing to Embryonic Chimeras Established from Pig Embryos. Stem Cell Reports. 2021 Jan 12;16(1):212-223. doi: 10.1016/j.stemcr.2020.11.011. PMID: 33338433

  13. Geisert R.D., A.E. Meyer, C.A. Pfeiffer, D.N. Johns, K. Lee, K.D. Wells, T.E. Spencer, and R.S. Prather. 2021. Gene Editing to Investigate Role of Conceptus Factors in Establishment of Pregnancy. Reproduction 161: R79-R88.

  14. Pfeiffer C.A., A.E. Meyer, K.E. Brooks, P.R. Chen, J. Milano-Foster, L.D. Spate, J.A. Benne, R. Cecil, M.S. Samuel, L.A. Ciernia, M.F. Smith, K.D. Wells, T.E. Spencer, R.S. Prather, and D. Geisert. 2020. Ablation of conceptus PTGS2 provides a new understanding of early pregnancy events in the pig. Biol Reprod 102:475-488. doi.org/10.1093/biolre/ioz192.

  15. Cho J, Uh K, Ryu J, Fang X, Bang S, Lee K. Development of PCR based approach to detect potential mosaicism in porcine embryos. Journal of Animal Reproduction and Biotechnology. 2020 Dec. 35. 4.

  16. Uh K, Ryu J, Farrell K, Wax N, Lee K. TET family regulates the embryonic pluripotency of porcine preimplantation embryos by maintaining the DNA methylation level of NANOG. Epigenetics. 2020 Nov;15(11):1228-1242. doi: 10.1080/15592294.2020.1762392. Epub 2020 May 13.

  17. Tumova L, Zigo M, Sutovsky P, Sedmikova M, Postlerova P (2020) Is the ubiquitin-proteasome system involved in the degradation of porcine beta-microseminoprotein during sperm capacitation? Int. J. Mol. Sci., 21(11):4151.

  18. Kerns K, Sharif M, Zigo M, Xu W, Hamilton L, Sutovsky M, Ellersieck M, Drobnis EZ, Oko R, Miller D, Sutovsky P (2020) Sperm cohort-specific zinc signature acquisition and capacitation-induced zinc flux regulate sperm-oviduct and sperm-zona pellucida interactions. Int. J. Mol. Sci., 21(6):2121; Special Issue on Advances in Molecular Regulation of Spermatozoa Function,

  19. Zigo M, Maňásková-Postlerová P, Zuidema D, Kerns K, Jonáková V, Tůmová L, Bubeníčková F, Sutovsky P (2020) Porcine model for the study of sperm capacitation, fertilization and male fertility. Cell Tissue Res., 380(2):237-262.

  20. Zuidema D, Sutovsky P (2020) The domestic pig as a model for the study of mitochondrial inheritance. Cell Tissue Res., 80(2):237-262. Special Issue on Animal Models,

  21. Pfeiffer, C.A., A.E. Meyer, K.E. Brooks, P.R. Chen, J.M. Foster, L.D. Spate, J.A. Benner, R. Cecil, M.S. Samuel, L.A. Ciernia, M.F. Smith, K.D. Wells, T.E. Spencer, R.S. Prather. 2020. Ablation of conceptus PTGS2 provides a new understanding of early pregnancy events in the pig. Biol. Reprod. Doi: 10/.1093/biolre/ioz192 PMID: 31616930, PMCID: PMC7523696.

  22. Stoian, A., R.R.R. Rowland, V. Petrovan, M. Sheahan, M.S. Samuel, K.M. Whitworth, K.D. Wells, J. Zhang, B. Beaton, M. Cigan, R.S. Prather. 2020. The use of cells from ANPEP knockout pigs to evaluate the role of aminopeptidase N (APN) as a receptor for porcine deltacoronavirus (PDCoV). Virology. 2020 Feb; 541:136-140. doi: 10.1016/j.virol.2019.12.007. Epub 2019 Dec 24. PMID: 32056711, PMCID: PMC7112016

  23. Chen, P.R., L.D. Spate, E.C. Leffeler, J.A. Benne, R.F. Cecil, T.K. Hord, R.S. Prather. 2020. Removal of hypotaurine from porcine embryo culture medium does not impair development of in vitro fertilization or somatic cell nuclear transfer-derived embryos at low oxygen tension. Molecular Reproduction and Development https:/doi: 10.1002/mrd.23393. PMID 32495478, PMCID: PMC7496716.

  24. Cecil, R.F., J.A. Benne, P.R. Chen, T.K. Hord, L.D. Spate, M.S. Samuel, R.S. Prather. 2020. Chemical stimulation of hypoxia in somatic cell nuclear transfer donor cells permits metabolic reprogramming and improved SCNT efficiency. Molecular Reproduction and Development https:/doi: 10.1002/mrd.23392 PMID 32558023, PMCID: PMC7496615.

  25. Lucas, C.G., A.M. Spate, M.S. Samuel, L.D. Spate, W.C. Warren, R.S. Prather, K.D. Wells. 2020. A novel swine sex-linked marker and its application across different mammalian species. Transgenic Research doi: 10.1007/s11248-020-00204-z. PMID: 32607872, PMCID: PMC7423754

  26. Ostedgaard, L.S., M.P. Price, K.M. Whitworth, M.H.A. Alaiwa, A.J. Fischer, A. Warrier, M. Samuel, L.D. Spate, P.D. Allen, B.M. Hilkin, G.S. R. Ibarra, M.E. Ortiz, B.J. Goodelll, S.E. Mather, L.S. Powers, M.R. Stroik, N.D. Gansmer, C.E. Hippee, K. Zarei, J.A. Goeken, T.R. Businga, E. A. Hoffman, D.K. Meyerholz, R.S. Prather, D.A. Stoltz, M.J. Welsh. 2020. Lack of submucosal glands impairs respiratory host defenses in pigs. eLife 2020;9:e59653. DOI: https://doi.org/10.7554/eLife.59653. PMID:33026343, PMCID: PMC7541087

  27. Koppes, E., B.K. Redel, M.A. Johnson, K.J. Shvorak, L. Ghaloul-Gonzalez, M.E. Yates, D.W. Lewis, S.M. Gollin, Y. Wu, S.E. Christ, M. Yerle, A. Leshinski, L.D. Spate, J. Benne, S. Murphy, M.S. Samuel, E.M. Walters, S.A. Hansen, K.D. Wells, J. Vockley, R.S. Prather, R.D. Nicholls. 2020. A porcine model of phenylketonuria generated by CRISPR/Cas9 genome editing. JCI Insight doi: 10.1172/jci.insight.141523. PMID: 33055427 PMCID: PMC7605535.


 


Boar Performance



  1. Mills, K.M., Aryal, U.K., Sobreira, T., Minton, A.M., Casey, T., and K.R. Stewart. 2020. Shotgun proteome analysis of seminal plasma differentiate boars by reproductive performance.  Theriogenology 157: 130-139.  doi.org/10.1016/j.theriogenology.2020.07.013

  2. Lents, C.A., Supakorn, C., DeDecker, A.E., Phillips, C.E., Boyd, R.D., Vallet, J.L., Rohrer, G.A., Foxcroft, G.R., Flowers, W.L., Trottier, N.L., Salak-Johnson, J.L., Bartol, F.F., Stalder, K.J. 2020. Dietary lysine-to-energy ratios for managing growth and pubertal development in replacement gilts. Applied Animal Science. 36(5):701-714. https://doi.org/10.15232/aas.2020-02016. DOI: https://doi.org/10.15232/aas.2020-02016

  3. Rempel, L.A., Parrish, J.J., Miles, J.R. 2020. Genes associated with chromatin modification within the swine placenta are differentially expressed due to factors associated with season. Frontiers in Genetics. 11:1019. https://doi.org/10.3389/fgene.2020.01019.

  4. Belstra, B.A., Willenburg, K.L., Gómez-López, D.H., Knox, R.V., Stewart, K.R., 2020. Effects of the number of sperm and site of uterine semen deposition on conception rate and the number of embryos in weaned sows receiving a single fixed-time insemination. Journal of Animal Science 98.

  5. Kerns K, Jankovitz J, Minton A, Kuster C, Robinson J, Sutovsky P (2020) Relationship between the length of sperm tail mitochondrial sheath and fertility traits in boars used for artificial insemination. Antioxidants, 9(11):1033. doi: 10.3390/antiox9111033

  6. Parrish JJ, PREDICITION OF FERTILITY IN MALES, US Patent App. 16/024,335; Patent granted May 2020.


 


Genetics and Genomics



  1. Johnson, J.S., Stewart, K.R., Safranski, T.J., Ross, J.W. and L.H. Baumgard.  2020.  In utero heat stress alters postnatal phenotypes in swine.  Theriogenology, 154:110-119. doi.org/10.1016/j.theriogenology.2020.05.013

  2. Wijesena, H.R., SD Kachman, CA Lents, JJ Riethoven, MD Trenhaile-Grannemann, TJ Safranski, ML Spangler, DC Ciobanu. Fine mapping genetic variants associated with age at puberty and sow fertility using SowPro90 genotyping array.   J. Anim. Sci. 98(10): 1-12.

  3. Johnson, J.S., KR Stewart, TJ Safranski, JW Ross, LH Baumgard. In utero heat stress alters postnatal phenotypes in swine. 2020. Theriogenology, 154: 110-119


 


Sow and Gilt Performance



  1. Belstra, B.A., Willenburg, K.L, Gómez-López, D.H., Knox, R.V., and K.R. Stewart. 2020. Effects of number of sperm and site of uterine deposition on conception rate and number of embryos in weaned sows receiving a single fixed time insemination.  J Anim Sci.,98:9, 1-10. doi:10.1093/jas/skaa260

  2. Suarez-Trujillo, A., Senn, K., Teeple, K., Casey, T., and K.R. Stewart. 2020. Technical Note: A standardized model to study effects of varying 24 h colostrum dose on postnatal growth and development. TAS, txaa212, doi.org/10.1093/tas/txaa212.

  3. Leonard, S.M., Xin, H., Brown-Brandl, T.M., Ramirez, B.C., Johnson, A.K., Dutta, S., Rohrer, G.A. 2021. Effects of farrowing stall layout and number of heat lamps on sow and piglet behavior. Applied Animal Behaviour Science. 239:105334. https://doi.org/10.1016/j.applanim.2021.105334.


 


Teaching and extension



  1. Mills, K.M., Schinckel, A.P., Casey, T.M., and K.R. Stewart. 2020. Evaluation of on-farm indicators of gilt reproductive performance potential at 21 days of age.  TAS, txaa210, doi.org/10.1093/tas/txaa210.  


 


 

07/21/2022

Basic Science and Technology



  1. Cline, P.M., Tsai, T.C., Lents, C.A., Stelzleni, A.M., Dove, C.R., Azain, M. 2021. Interaction of dietary carbohydrate and fat on glucose metabolism in growing pigs. Domestic Animal Endocrinology. 78. Article 106655. https://doi.org/10.1016/j.domaniend.2021.106655.

  2. Meinen, R.J., Spiegal, S.A., Kleinman, P.J., Flynn, K.C., Goslee, S.C., Mikesell, R.E., Church, C., Bryant, R.B., Boggess, M.V. 2022. Opportunities to implement manureshed management in the Iowa, North Carolina, and Pennsylvania swine industry. Journal of Environmental Quality. https://doi.org/10.1002/jeq2.20340.

  3. Velez, F.J., Bosilevac, J.M., Singh, P. 2021. Validation of high-resolution melting assays for the detection of virulent strains of Escherichia coli O26 and O111 in beef and pork enrichment broths. Food Control. 128. Article 108123. https://doi.org/10.1016/j.foodcont.2021.108123.


 Boar Performance



  1. Andrade, A., Grossfeld, R., Knox, R. V. 2021 In vitro effects of commercial freezing and thawing extenders on boar sperm quality. Anim. Reprod. Sci. Pages 106906 DOI: https://doi.org/10.1016/j.anireprosci.2021.106906.

  2. Sharif, M., Hickl, V., Juarez, G., Di, X., Kerns, K., Sutovsky, P., Bovin, N., Miller, D. J.   Hyperactivation is sufficient to release sperm from immobilized oviduct glycans.  Sci Rep 12, 6446. https://doi.org/10.1038/s41598-022-10390-x

  3. Sharif, M., Kerns, K., Sutovsky, P., Bovin, N., Miller, D.J.   Progesterone induces porcine sperm release from oviduct glycans in a proteasome-dependent manner.  Reproduction. 161(4):449-457. doi: 10.1530/REP-20-0474.


 Sow and Gilt Performance



  1. Arend, L.S., Knox, R.V. 2021. Fertility responses of melatonin-treated gilts before and during the follicular and early luteal phases when there are different temperatures and lighting conditions in the housing area. Anim Reprod Sci, 230, 106769. doi:10.1016/j.anireprosci.2021.106769

  2. Knox, R.V., Arend, L.S., Buerkley, A.L., Patterson J.L., Foxcroft, G.R. 2021. Effect of physical or fenceline boar exposure and gonadotropins on fertility in gilts. J. Anim. Sci. DOI: 10.1093/jas/skab348.

  3. Lindo, A.N., Thorson, J., Bedenbaugh, M.N., Mccosh, R.B., Lopez, J.A., Young, S.A., Meadows, L.J., Bowdridge, E.C., Fergani, C., Freking, B.A., Lehman, M.N., Hileman, S.M., Lents, C.A. 2021. Localization of kisspeptin, NKB, and NK3R in the hypothalamus of gilts treated with the progestin altrenogest. Biology of Reproduction. Article 103. https://doi.org/10.1093/biolre/ioab103.

  4. Miles, J.R., Walsh S.C., Rempel L.A., Pannier A.K.. 2022. Mechanisms regulating the initiation of porcine conceptus elongation.  Mol Reprod Dev.   DOI: 10.1002/mrd.23623.

  5. Mills, K.M., Ferreira, C.R., Stewart, K.R., Casey T.M.   Biomarkers predictive of long-term fertility found in vaginal lipidome of gilts at weaning.  J Anim Sci DOI: https://doi.org/10.21203/rs.3.rs-210669/v1

  6. Mills, K.M., Shirley, L.K., Sharp, K., Garcia, R., Suarez-Trujillo, A., Stewart, K.R. 2021. Effects of induction on the farrowing process and piglet blood parameters at time of birth. TAS 5:108.  doi: 10.1093/tas/txab032 

  7. Vande Pol, K.D., Tolosa, A.F., Bautista, R.O., Willard, N.C., Gates, R.S., Shull, C.M., Brown, C.B., Alencar, S.A., Lents, C.A., Ellis, M. 2021. Effects of drying and providing supplemental oxygen to piglets at birth on rectal temperature over the first 24 h after birth. Translational Animal Science. 5(3). Article txab095. https://doi.org/10.1093/tas/txab095.

  8. Walsh, S.C., Miles, J.R., Keel-Mercer, B.N., Rempel, L.A., Wright-Johnson, E.C., Lindholm-Perry, A.K., Oliver, W.T., Pannier, A.K. 2022. Global analysis of differential gene expression within the porcine conceptus transcriptome as it transitions through spherical, ovoid, and tubular morphologies during the initiation of elongation. Molecular Reproduction and Development. Article 23553. https://doi.org/10.1002/mrd.23553


 Genetics and Genomics



  1. Herrera-Uribe, J., Wiarda, J., Sivasankaran, S.K., Daharsh, L., Liu, H., Byrne, K.A., Smith, T.P., Lunney, J.K., Loving, C.L., Tuggle, C.K. 2021. Reference Transcriptomes of Porcine Peripheral Immune Cells Created Through Bulk and Single-Cell RNA Sequencing. Frontiers in Genetics. 12. Article 689406. https://doi.org/10.3389/fgene.2021.689406.


Teaching and Extension



  1. Hines, E., Romoser, M., Cover, J. Improving the gilt selection process.  Penn State Extension Report.  https://extension.psu.edu/improving-the-gilt-selection-process

  2. Knox, R. 2021. The New Building Designs on Swine Farms in China. June 2021. Illinois AgriNews.

  3. Knox, R. 2021.  New technology used in the swine breeding barn. Dec. 2021. Illinois AgriNews.


 Abstracts/Posters/Book Chapter/Professional Presentations



  1. Arend, L.S., Vinas, R.F., Silva, G., Lower, A., Connor, J.F., Knox. R.V.  Effects of nursing a large litter and ovarian response to gonadotropins at weaning on subsequent fertility in first parity sows. Journal of Animal Science, Volume 100, Issue Supplement_2, May 2022, Page 85, https://doi.org/10.1093/jas/skac064.137

  2. Hauxwell, K., Ostrand, L.M., Schmidt, T.B., Psota, E., Mote, B.E., Rohrer, G.A. 2021. Activity and bone lesion analysis on gilt retention to the breeding herd [abstract]. Journal of Animal Science. 99(Supplement 1):154. https://doi.org/10.1093/jas/skab054.264.

  3. Hines E., Stewart, K.R.   Farrowing induction and your sows.  Extension Webinar.  Penn State Extension.  https://extension.psu.edu/farrowing-induction-and-your-sows-webinar

  4. Knox, R. V. 2021. Overview of Management of Reproduction: Pigs. Merck Veterinary Manual. pp 1-22. Management of Reproduction: Pigs - Merck Veterinary Manual (merckvetmanual.com)

  5. Knox, R.V. 2021. Gilt puberty, subsequent fertility, and incidence of silent heat in response to boar exposure and hormone induction, A.D. Leman Pre-Conference Workshop.

  6. Knox, R.V. 2022. Tools used and needed in the gilt pool. Journal of Animal Science, Volume 100, Issue Supplement_2, May 2022, Pages 9–10, https://doi.org/10.1093/jas/skac064.013

  7. Ostrand, L.M., Tranhaile-Grannemann, M.D., See, G., Schmidt, T.B., Psota, E., Rohrer, G.A., Mote, B.E. 2021. Utilization of NUtrack to assess variance components and heritability of activity traits [abstract]. Journal of Animal Science. 99(Supplement 1):17. https://doi.org/10.1093/jas/skab054.030.

  8. Parrish, J.J., Gall, T., Wilson, M., Ballard, M. 2022. Salmate fish oil supplement to boars and impact on sperm production and spermatogenesis.

  9. Stewart, K.R., Knox, R.V. 2022. Applied animal andrology: Boar in Manual of Animal Andrology, edited by P.J. Chenoweth and S.P. Lorton, CAB International, 2022, pp95-107.

  10. Studer, J.M., Kiefer, Z.E., Gianluppi, R., Adur, M.K., Shultz, R.B., Horst, E.A., Mayorga, E.J., Keating, A.F., Baumgard, L.H., Lents, C.A., Ross, J.W. 2021. Direct and indirect effects of heat stress on the hepatic and ovarian proteome in gilts [abstract]. Journal of Animal Science. 99(Supplement 1):106-107. https://doi.org/10.1093/jas/skab054.173.

  11. Vinas, R.F., Arend, L.S., Silva, G., Lower, A.J., Connor, J.F., Kaustubh, B., Furugen, A., Andrade, A., Knox. R.V. Evaluation of electrical impedance spectroscopy to determine swine herd reproductive status using the accuracy of ultrasound and hormonal assays as diagnostic tools. Journal of Animal Science, Volume 100, Issue Supplement_2, May 2022, Page 84, https://doi.org/10.1093/jas/skac064.135


 

07/21/2023

Publications:


Basis Science and Technology



  1. Li, Y., Adur, M.K., Lonergan, S.M., Keating, A.F., Ross, J.W.   MicroRNA21 inhibition affects porcine oocyte maturation and alters protein expression critical for metabolic pathway function.  Mol Reprod Dev.  89(10):443-458. https://doi:10.1002/mrd.23641.

  2. Miller, K.A., Johnson, E.M., Matchan, S.A., Goehring, D., Ross, J.W., Gabler, N.K.   Strategies to manage barn feed supply to prolong and hold late finishing pigs during a supply chain disruption.  Transl Anim Sci. 7(1):txac166. https://doi:10.1093/tas/txac166.

  3. Studer, J.M., Schweer, W.P., Gabler, N.K., Ross, J.W.   Functions of manganese in reproduction. Anim Reprod Sci. 238:106924. https://doi:10.1016/j.anireprosci.2022.106924.


 Boar Performance



  1. de Andrade, A.F.C., Balogun, K., Machaty, Z., Knox, R.V.  Effects of supplemental antioxidants on in vitro fertility measures for cryopreserved boar spermatozoa. Theriogenology. 200:33-42. https://doi:10.1016/j.theriogenology.

  2. Andrade, A.F.C., Knox, R.V., Torres, M.A., Pavaneli, A.P.P.   What is the relevance of seminal plasma from a functional and preservation perspective? Anim Reprod Sci. 246:106946. https://doi:10.1016/j.anireprosci.2022.106946.   

  3. Lawlor, M., Zigo, M., Kerns, K., Cho, I.K., Easley, C.A., Sutovsky, P.  Spermatozoan Metabolism as a Non-Traditional Model for the Study of Huntington’s Disease. Intl J of Molc Sci. 23(13):7163.  https://doi:10.3390/ijms23137163.

  4. Nogueira, E., Tirpák, F., Hamilton, L., Zigo, M., Kerns, K., Sutovsky, M., Kim, J., Volkmann, D., Jovine, L., Taylor, J., Schnabel, R., Sutovsky, P.  A Non-Synonymous Point Mutation in a WD-40 Domain Repeat of EML5 Leads to Decreased Bovine Sperm Quality and Fertility. Front. Cell Dev. Biol.  https://doi:10.3389/fcell.2022.872740.

  5. Sharif, M., Hickl, V., Juarez, G., Di, X., Kerns, K., Sutovsky, P., Bovin, N., Miller, D.J.   Hyperactivation is sufficient to release sperm from immobilized oviduct glycans.  Sci Rep.  12:6446. https://doi.org/10.1038/s41598-022-10390-x.

  6. Spooner-Harris, M., Kerns, K., Zigo, M., Sutovsky, P., Balboula, A., Patterson, A. A re‑appraisal of mesenchymal‑epithelial transition (MET) in endometrial epithelial remodeling. Cell Tissue Res. 391(2):393-408. https://doi:10.1007/s00441-022-03711-z.

  7. Zigo, M., Kerns, K., Sen, S., Essien, C., Oko, R., Xu, D., Sutovsky, P.  Zinc is a master-regulator of sperm function associated with binding, motility, and metabolic modulation during porcine sperm capacitation. Commun. Biol. 5(1):538.  https://10.1038/s42003-022-03485-8.


 Sow and Gilt Performance



  1. Arend, L.S., Vinas, R.F., Silva, G.S., Lower, A.J., Connor JF, Knox RV.   Effects of nursing a large litter and ovarian response to gonadotropins at weaning on subsequent fertility in first parity sows. J Anim Sci. 101:skac398. https://doi:10.1093/jas/skac398.

  2. Bhatia, V., Stevens, T., Derks, M.F.L., Dunkelberger, J., Knol, E.F., Ross, J.W., Dekkers, J.C.M.   Identification of the genetic basis of sow pelvic organ prolapse.  Front Genet.  14:1154713.  https://doi:10.3389/fgene.2023.1154713.

  3. Walsh, S.C., Miles, J.R., Broeckling, C.D., Rempel, L.A., Wright-Johnson, E.C., Pannier, A.K.  Secreted metabolome of porcine blastocysts encapsulated within in vitro 3D alginate hydrogel culture systems undergoing morphological changes provides insights into specific mechanisms involved in the initiation of porcine conceptus elongation. Reprod Fertil Dev. 35(5):375-394. https://doi.org/10.1071/RD22210.


 Seasonality and Heat Stress



  1. Adur, M.K., Seibert, J.T., Romoser, M.R., Bidne, K.L., Baumgard, L.H., Keating, A.F., Ross, J.W.   Porcine endometrial heat shock proteins are differentially influenced by pregnancy status, heat stress, and altrenogest supplementation during the peri-implantation period.  J Anim Sci. 100(7):skac129. https://doi:10.1093/jas/skac129.

  2. Brown-Brandl, T.M., Hayes, M.D., Rohrer, G.A., Eigenberg, R.A.  Thermal comfort evaluation of three genetic lines of nursery pigs using thermal images. Biosystems Engineering. 225:1-12. https://doi.org/10.1016/j.biosystemseng.2022.11.002.

  3. Raber, V.L., Pritchett, R.K., Robbins, L.A., Stewart, K.R., Gaskill, B.N., Green-Miller, A.R., Johnson, J.S.  Evaluating the temperature preferences of sexually mature Duroc, Landrace, and Yorkshire boars.  Transl Anim Sci.  May 29;7(1):txad060. https://doi:10.1093/tas/txad060.

  4. Ramirez, B.C., Hoff, S.J., Hayes, M.D., Brown-Brandl, T.M., Harmon, J.D., Rohrer, G.A. 2022.  A review of swine heat production: 2003 to 2020. Frontiers in Animal Science. 3. Article 908434. https://doi.org/10.3389/fanim.2022.908434.

  5. Roach, C.M., Bidne, K.L., Romoser, M.R., Ross, J.W., Baumgard, L.H., Keating, A.F.  Impact of heat stress on prolactin-mediated ovarian JAK-STAT signaling in postpubertal gilts.  J Anim Sci. 100(7):skac129. https://doi:10.1093/jas/skac129.

  6. Romoser, M.R., Bidne, K.L., Baumgard, L.H., Keating, A.F., Ross, J.W.   Effects of increased ambient temperature and supplemental altrenogest before pregnancy establishment in gilts. J Anim Sci. 100(2):skac007. https://doi:10.1093/jas/skac007.

  7. Rudolph TE, Roach CM, Baumgard LH, Ross JW, Keating AF, Selsby JT.   The impact of Zearalenone on heat-stressed skeletal muscle in pigs.  J Anim Sci. 100(8):skac215. https://doi:10.1093/jas/skac215.


 Abstracts/Posters/Professional Presentations



  1. Geisert, R. Gene editing provides a tool to investigate the role of conceptus factors involved in the establishment of pregnancy.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  2. Kerns, K.   Capacitation Patterns.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  3. Knox, R.   Follicle Development in Pigs:  State of the Art.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  4. Loucks, A., Hines, E.A.   Processed soy ingredients may adequately replace soybean meal in sow transition diets.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  Abst. 36. (Poster & Flash talk)

  5. Miles, J.   Mechanisms regulating the initiation of porcine conceptus elongation. Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  6. Miles, J.R., Rempel, L.A., Snider, A.P., Pannier, A.K. 2023 Characterization of mRNA expression for key glycerophospholipid and sphingolipid enzymes within trophectoderm and embryonic disc during initiation of porcine conceptus elongation. Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  57. (Poster) 

  7. Nordell*, N.E., C.J. Bernhard, M. Wegner*, R. Metcalf*, J. Rupert*, D. Lagundžin, Sharma, K.G. Sharp, T.J. Safranski, M.C. Lucy, Desaulniers, A.T. 2023. In utero exposure to maternal heat stress impairs Leydig cell development and function in the boar. ASAS Midwest Animal Science. Madison, WI. (Oral presentation)

  8. Nordell, N.E., C.J. Bernhard, M. Wegner, R. Metcalf, J. Rupert, D. Lagundžin, K. Sharma, K.G. Sharp, T.J. Safranski, M.C. Lucy, Desaulniers, A.T. 2022. In utero heat stress impairs Leydig cell development and function in a porcine model. 19th Annual Gilbert S. Greenwald Symposium on Reproductive and Developmental Sciences, Kansas City, MO. Abst 13.  (Poster)

  9. Parrish, J.J., Gall, T., Wilson, M., Parsley, M., Ballard, M.   Protected fish oil supplement to boars and the impact on sperm production and spermatogenesis.  ASAS Midwest Animal Science. Madison, WI.  (Oral presentation)

  10. Studer, J., Kiefer, Z.E., Koester, L., Johnson, E., Baumgard, L.H., Schmitz-Esser, S., Greiner, L.L., Keating, A.F., Farkas, A., Galina-Pantoja, L., Vonnahme, K.A., Ross, J.W.   Metabolites in Insulin Resistance and Metabolic Syndrome Altered in Sows Suffering from Postpartum Dysgalactia Syndrome.  Proceedings of the Society for the Study of Reproduction 56th Annual Meeting, Ottawa, Canada.  Abst P489 (Poster) 

  11. Taechamaeteekul, P., Sang-Gassanee, K., Lin H.Y., Collell, M., Komolpis, K., Knox, R.V., Tummaruk, P. 2023 A clinical application of serum progesterone strip test to determine reproductive status in replacement gilts. Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium. 28. (Poster)

  12. White, B.   Gonadal steroidogenesis in boars and gilts with reduced endogenous levels of GnRH-II receptor.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  13. Zigo, M., Kerns, K., Ahlering, P., Sutovsky, P.   Comparison of Human and Porcine Sperm Zincoproteomes with Focus on Clinical and Evolutionary Implications.  Proceedings of the Society for the Study of Reproduction 56th Annual Meeting, Ottawa, Canada.  Abst P456 (Poster)  


Multi-station Funded Grants (Active):



  1. NIH, R01HD095841, “Accumulation, Storage, and Release of Sperm in the Oviduct” Miller1, D. (PD), Prather2, R,. Sutovsky2, P. (1University of Illinois; 2University of Missouri)

  2. USDA-AFRI-NIFA Grant #2021-67015-34416, $500,000, Jul 1, 2021 – Oct 1, 2024, “Influence of Maternal and Embryonic Extracellular Vesicles on the Initiation of Porcine Conceptus Elongation” Pannier1, A.K. (PD), Miles2, J.R. (Co-PD), Rempel2, L.A. (1University of Nebraska; 2USDA, ARS, USMARC)

  3. USDA-AFRI-NIFA Grant #2022-08916, $999,618, May 1, 2023 – May 1, 2027, “Identifying AMR gene reservoirs and bacterial host-AMR gene associations to identify bacterial host range of AMR genes in swine production systems” Fernando1, S., Burkey1, T., Miller1, P., Schmidt2, A., Anderson2, C., Oliver3, W., Rempel3, L., Wells3, J. (1University of Nebraska; 2Iowa State University; 3USDA, ARS, USMARC)

  4. USDA-AFRI-NIFA Grant #2023-XXXXX, $650,000, May 1, 2023 – May 1, 2026, “Enhancing boar fertility in the face of climate change through the mitigation of in utero heat stress” Desaulniers1, A.T. (PD), Lents2, C., White1, B., Brito3, L, Johnson4, J. (1University of Nebraska; 2USDA, ARS, USMARC, 3Purdue University; 4USDA, ARS, West Lafayette)

09/22/2024

Basic Science and Technology



  1. Azain, M., Cline, P.M., Tsai, T.C., Lents, C.A., Stelzleni, A.M., Dove, C.R. 2020. Interaction of dietary carbohydrate and fat on glucose metabolism in growing pigs. Research Square. pp. 22. https://doi.org/10.21203/rs.3.rs-48869/v1.

  2. Bernhard, C.J., Sharp, K.G., Safranski, T.J., Lamberson, W.R., and Lucy, M.C. 2020.  Reproduction and reproductive tract morphology of male and female pigs whose mothers were heat stressed during the second month of gestation.  J. Anim Sci. 98(11): skaa352. https://doi.org/doi: 10.1093/jas/skaa352.

  3. Boettcher A.N., Kiupel, M., Adur, M.K., Cocco, E., Santin, A.D., Bellone, S., Charley, S.E., Blanco-Fernandez, B., Risinger, J.I., Ross, J.W., Tuggle, C.K., Shapiro, E.M. Human Ovarian Cancer Tumor Formation in Severe Combined Immunodeficient (SCID) Pigs. Front Oncol. 2019 Jan 22;9:9. doi: 10.3389/fonc.2019.00009.

  4. Cecil, R.F., Benne, J.A., Chen, P.R., Hord, T.K., Spate, L.D., Samuel, M.S., Prather, R.S. 2020. Chemical stimulation of hypoxia in somatic cell nuclear transfer donor cells permits metabolic reprogramming and improved SCNT efficiency. Mol Reprod Dev. https:/doi: 10.1002/mrd.23392 PMID 32558023, PMCID: PMC7496615.

  5. Chaudhari, J., Liew, C., Workman, A.M., Riethoven, J.M., Steffen, D., Sillman, S., Vu, H.L.X. 2020. Host transcriptional response to persistent infection with a live-attenuated porcine reproductive and respiratory syndrome virus strain. Viruses. 12(8):817. https://doi.org/10.3390/v12080817.

  6. Chen, P.R., Spate, L.D., Leffeler, E.C., Benne, J.A., Cecil, R.F., Hord, T.K., Prather, R.S. 2020. Removal of hypotaurine from porcine embryo culture medium does not impair development of in vitro fertilization or somatic cell nuclear transfer-derived embryos at low oxygen tension. Mol Reprod Dev. https:/doi: 10.1002/mrd.23393. PMID 32495478, PMCID: PMC7496716.

  7. Cho, J., Uh, K., Ryu, J., Fang, X., Bang, S., Lee, K. Development of PCR based approach to detect potential mosaicism in porcine embryos. Journal of Animal Reproduction and Biotechnology. 2020 Dec. 35. 4.

  8. Ciccarelli, M., Giassetti, M.I., Miao, D., Oatley, M.J., Robbins, C., Lopez-Biladeau, B., Waqas, M.S., Tibary, A., Whitelaw, B., Lillico, S., Park, C.H., Park, K.E., Telugu, B., Fan, Z., Liu, Y., Regouski, M., Polejaeva. I.A., Oatley, J.M. Donor-derived spermatogenesis following stem cell transplantation in sterile NANOS2knockout males. Proc Natl Acad Sci USA. 2020 Sep 29;117(39):24195-24204.  PMID: 32929012

  9. Cline, P.M., Tsai, T.C., Lents, C.A., Stelzleni, A.M., Dove, C.R., Azain, M. 2021. Interaction of dietary carbohydrate and fat on glucose metabolism in growing pigs. Domestic Animal Endocrinology. 78. Article 106655. https://doi.org/10.1016/j.domaniend.2021.106655.

  10. de Andrade, A.F.C., Knox, R.V., Torres, M.A., Pavaneli, A.P.P. What is the relevance of seminal plasma from a functional and preservation perspective? Anim Reprod Sci. 2022 Nov;246:106946. doi: 10.1016/j.anireprosci.2022.106946. Epub 2022 Feb 17. PMID: 35216848 Review

  11. Dong, Y., Bonde, A., Codling, J.R., Bannis, A., Cao, J., Macon, A., Rohrer, G., Miles, J., Sharma, S., Brown-Brandl, T., Sangpetch, A., Sangpetch, O., Zhang, P., Noh, H. 2023. PigSense: Structural vibration-based activity and health monitoring system for pigs. ACM Transactions on Sensor Networks. 20:+1-43. https://doi.org/10.1145/3604806.

  12. Geisert R.D., Meyer, A.E., Pfeiffer, C.A., Johns, D.N., Lee, K., Wells, K.D., Spencer, T.E., and Prather, R.S. 2021. Gene Editing to Investigate Role of Conceptus Factors in Establishment of Pregnancy. Reproduction 161: R79-R88.

  13. Gruhot, T.R., Rempel, L.A., White, B.R., Mote, B.E. 2020. The effect of varicocele on semen quality in boars exposed to heat stress. Transl Anim Sci. 4:1-6. https://doi.org/10.1093/tas/txaa003.

  14. Johnson, J.S., Maskal J.M., Duttlinger, A.W., Kpodo, K.R., McConn, B.R., Byrd, C.J., Richert, B.T., Marchant-Forde, J.N., Lay, D.C., Perry, S.D., Lucy, M.C., Safranski, T.J.   In utero heat stress alters the postnatal innate immune response of pigs. J Anim Sci. 98:1-13.

  15. Kerns, K., Sharif, M., Sutovsky, P., Bovin, N., Miller, D.J.  2021. Progesterone induces porcine sperm release from oviduct glycans in a proteasome-dependent manner. Reproduction. 161:449-457.

  16. Kerns, K., Sharif, M., Zigo, M., Xu, W., Hamilton, L., Sutovsky, M., Ellersieck, M., Drobnis, E.Z., Oko, R., Miller, D., Sutovsky, P. 2020. Sperm cohort-specific zinc signature acquisition and capacitation-induced zinc flux regulate sperm-oviduct and sperm-zona pellucida interactions. Int. J. Mol. Sci., 21(6):2121; Special Issue on Advances in Molecular Regulation of Spermatozoa Function.

  17. Kerns, K., Sharif, M., Zigo, M., Miller, D., Sutovsky, S. 2020. Sperm capacitation-induced zinc efflux is necessary for increased proteasomal activity and release from oviduct glycans of the sperm reservoir. Int J Mol Sci 21:2121.

  18. Koppes, E., Redel, B.K., Johnson, M.A., Shvorak, K.J., Ghaloul-Gonzalez, L., Yates, M.E., Lewis, D.W., Gollin, S.M., Wu, Y., Christ, S.E., Yerle, M., Leshinski, A., Spate, L.D., Benne, J., Murphy, S., Samuel, M.S., Walters, E.M., Hansen, S.A., Wells, K.D., Vockley, J., Prather, R.S., Nicholls, R.D. 2020. A porcine model of phenylketonuria generated by CRISPR/Cas9 genome editing. JCI Insight doi: 10.1172/jci.insight.141523. PMID: 33055427 PMCID: PMC7605535

  19. Li, Y., Adur, M.K., Lonergan, S.M., Keating, A.F., Ross, J.W.   MicroRNA21 inhibition affects porcine oocyte maturation and alters protein expression critical for metabolic pathway function.  Mol Reprod Dev.  89(10):443-458. https://doi:10.1002/mrd.23641.

  20. Lucas, C.G., A.M. Spate, M.S. Samuel, L.D. Spate, W.C. Warren, R.S. Prather, K.D. Wells. 2020. A novel swine sex-linked marker and its application across different mammalian species. Transgenic Research doi: 10.1007/s11248-020-00204-z. PMID: 32607872, PMCID: PMC7423754

  21. Maskal, J.M., Duttlinger, A.W., Kpodo, K.R., McConn, B.R., Byrd, C.J., JN Marchant-Forde, DC Lay, SD Perry, MC Lucy, TJ Safranski, JS Johnson.   Evaluation and mitigation of the effects of in utero heat stress on piglet growth performance, postabsorptive metabolism, and stress response following weaning and transport.  J. Anim. Sci., 98(9):1-13.

  22. Mayorga E.J., Renaudeau, D., Ramirez, B.C., Ross, J.W., Baumgard, L.H. 2019. Heat stress adaptation in pigs. Animal Frontiers 9:54-61.

  23. Meinen, R.J., Spiegal, S.A., Kleinman, P.J., Flynn, K.C., Goslee, S.C., Mikesell, R.E., Church, C., Bryant, R.B., Boggess, M.V. 2022. Opportunities to implement manureshed management in the Iowa, North Carolina, and Pennsylvania swine industry. Journal of Environmental Quality. https://doi.org/10.1002/jeq2.20340.

  24. Millburn, S., Schmidt, T., Rohrer, G.A., Mote, B. 2023. Identifying early-life behavior to predict mothering ability in swine utilizing NUtrack system. Animals 13(18):2897. https://doi.org/10.3390/ani13182897.

  25. Miller, K.A., Johnson, E.M., Matchan, S.A., Goehring, D., Ross, J.W., Gabler, N.K.   Strategies to manage barn feed supply to prolong and hold late finishing pigs during a supply chain disruption.  Transl Anim Sci. 7(1):txac166. https://doi:10.1093/tas/txac166.

  26. Nastasijevic, I., Schmidt, J.W., Boskovic, M., Glisic, M., Kalchayanand, N., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M., Bosilevac, J.M. 2020. Seasonal prevalence of Shiga toxin-producing Escherichia coli on pork carcasses for three steps of the harvest process at two commercial processing plants in the United States. Applied and Environmental Microbiology. 87(1):e01711-20. https://doi.org/10.1128/AEM.01711-20.

  27. Ostedgaard, L.S., Price, M.P., Whitworth, K.M., Alaiwa, M.H.A., Fischer, A.J., Warrier, A., Samuel, M., Spate, L.D., Allen, P.D., Hilkin, B.M., Ibarra, G.S.R, Ortiz, M.E., Goodell, B.J., Mather, S.E., Powers, L.S., Stroik, M.R., Gansmer, N.D., Hippee, C.E., Zarei, K., Goeken, J.A., Businga, T.R., Hoffman, E.A., Meyerholz, D.K., Prather, R.S., Stoltz, D.J., Welsh, M.J. 2020. Lack of submucosal glands impairs respiratory host defenses in pigs. eLife 2020;9:e59653. DOI: https://doi.org/10.7554/eLife.59653. PMID:33026343, PMCID: PMC7541087

  28. Park, C.H., Jeoung, Y.J., Uh, K.J., Park, K.E., Bridge, J., Powell, A., Li, J., Pence, L., Zhang, Y., Liu, T., Sun, H., Gu, Y., Shen, Y., Wu, J., Belmonte, J-C,, Telugu, B.P.*. Extraembryonic Endoderm (XEN) Cells Capable of Contributing to Embryonic Chimeras Established from Pig Embryos. Stem Cell Reports. 2021 Jan 12;16(1):212-223. doi: 10.1016/j.stemcr.2020.11.011. PMID: 33338433

  29. Pfeiffer C.A., Meyer, A.E., Brooks, K.E., Chen, P.R., Milano-Foster, J., Spate, L.D., Benne, J.A., Cecil, R., Samuel, M.S., Ciernia, L.A., Smith, M.F., Wells, K.D., Spencer, T.E., Prather, R.S., and Geisert, D. 2020. Ablation of conceptus PTGS2 provides a new understanding of early pregnancy events in the pig. Biol Reprod https://102:475-488. doi.org/10.1093/biolre/ioz192.

  30. Rubessa, M., Feugang, J.M., Kandel, M.E., Schreiber, S., Hessee, J., Salerno, F., Meyers, S., Chu, I., Popescu, G., Wheeler, M.B. 2020. High-throughput sperm assay using label-free microscopy: morphometric comparison between different sperm structures of boar and stallion spermatozoa. Animal Reproduction Science. 106509. https://doi.org/10.1016/j.anireprosci.

  31. Schultz, R., Serao, N.L., Ross, J.W. 2019. Genetic improvement of livestock, from conventional breeding to biotechnological approaches. In: Animal Agriculture:Sustainability, Challenges and Innovations. Eds. Bazer, F.W., Wu, G. In Press (Elsevier).

  32. Sharif, M., Kerns, K., Sutovsky, P., Bovin, N., Miller, D.J. Progesterone induces porcine sperm release from oviduct glycans in a proteasome-dependent manner. Submitted.

  33. Stoian, A., R.R.R. Rowland, V. Petrovan, M. Sheahan, M.S. Samuel, K.M. Whitworth, K.D. Wells, J. Zhang, B. Beaton, M. Cigan, R.S. Prather. 2020. The use of cells from ANPEP knockout pigs to evaluate the role of aminopeptidase N (APN) as a receptor for porcine deltacoronavirus (PDCoV). Virology. 2020 Feb; 541:136-140. doi: 10.1016/j.virol.2019.12.007. Epub 2019 Dec 24. PMID: 32056711, PMCID: PMC7112016

  34. Studer, J.M., Schweer, W.P., Gabler, N.K., Ross, J.W.   Functions of manganese in reproduction. Anim Reprod Sci. 238:106924. https://doi:10.1016/j.anireprosci.2022.106924.

  35. Tumova L, Zigo M, Sutovsky P, Sedmikova M, Postlerova P (2020) Is the ubiquitin-proteasome system involved in the degradation of porcine beta-microseminoprotein during sperm capacitation? Int. J. Mol. Sci., 21(11):4151.

  36. Uh, K., Ryu, J., Farrell, K., Wax, N., Lee, K. TET family regulates the embryonic pluripotency of porcine preimplantation embryos by maintaining the DNA methylation level of NANOG. Epigenetics. 2020 Nov;15(11):1228-1242. doi: 10.1080/15592294.2020.1762392. Epub 2020 May 13.

  37. Vande Pol, K.D., Tolosa, A.F., Shull, C.M., Brown, C.B., Alencar, S.A., Lents, C.A., Ellis, M. 2021. Effect of drying and/or warming piglets at birth under warm farrowing room temperatures on piglet rectal temperature over the first 24 h after birth. Translational Animal Science. txab060. https://doi.org/10.1093/tas/txab060.

  38. Velez, F.J., Bosilevac, J.M., Singh, P. 2021. Validation of high-resolution melting assays for the detection of virulent strains of Escherichia coli O26 and O111 in beef and pork enrichment broths. Food Control. 128. Article 108123. https://doi.org/10.1016/j.foodcont.2021.108123.

  39. Walsh, S.C., Miles, J.R., Yao, L., Broeckling, C.D., Rempel, L.A., Wright-Johnson, E.C., Pannier, A.K. 2020. Metabolic compounds within the porcine uterine environment are unique to the type of conceptus present during the early stages of blastocyst elongation. Journal of Molecular Reproduction and Development. 87:174-190. https://doi.org/10.1002/mrd.23306.

  40. White, B.R., Cederberg, R.A., Elsken, D.H., Ross, C.E., Lents, C.A., Desaulniers, A.T. 2023. Role of gonadotropin-releasing hormone-II and its receptor in swine reproduction. Molecular Reproduction and Development. 90(7):469-479. https://doi.org/10.1002/mrd.23662.

  41. Wijesena, H.R., Kachman, S.D., Lents, C.A., Riethoven, J.J., Trenhaile-Grannemann, M.D., Safranski, T.J., Spangler, M.L., Ciobanu, D.C. 2020. Fine mapping genetic variants associated with age at puberty and sow fertility using Sowpro90 genotyping array. Journal of Animal Science. 98(10):1-12. https://doi.org/10.1093/jas/skaa293.

  42. Zigo, M., Maňásková-Postlerová, P., Zuidema, D., Kerns, K., Jonáková, V., Tůmová, L., Bubeníčková, F., Sutovsky, P. (2020) Porcine model for the study of sperm capacitation, fertilization and male fertility. Cell Tissue Res., 380(2):237-262.

  43. Zuidema D, Sutovsky P (2020) The domestic pig as a model for the study of mitochondrial inheritance. Cell Tissue Res., 80(2):237-262. Special Issue on Animal Models.


Boar Performance



  1. Belstra, B.A., Willenburg, K.L., Gómez-López, D.H., Knox, R.V., Stewart, K.R., 2020. Effects of the number of sperm and site of uterine semen deposition on conception rate and the number of embryos in weaned sows receiving a single fixed-time insemination. Journal of Animal Science 98.

  2. de Andrade, A., Grossfeld, R., Knox, R.V. 2021 In vitro effects of commercial freezing and thawing extenders on boar sperm quality. Anim. Reprod. Sci. Pages 106906 DOI: https://doi.org/10.1016/j.anireprosci.2021.106906.

  3. de Andrade, A. F. C., Balogun, K., Machaty, Z., & Knox, R. V. (2023). Effects of supplemental antioxidants on in vitro fertility measures for cryopreserved boar spermatozoa. Theriogenology, 200, 33-42. doi:10.1016/j.theriogenology. 2023.01.025

  4. de Andrade, A.F.C., Balogun, K., Machaty, Z., Knox, R.V.  Effects of supplemental antioxidants on in vitro fertility measures for cryopreserved boar spermatozoa. Theriogenology. 200:33-42. https://doi:10.1016/j.theriogenology.

  5. de Andrade, A.F.C., Knox, R.V., Torres, M.A., Pavaneli, A.P.P.   What is the relevance of seminal plasma from a functional and preservation perspective? Anim Reprod Sci. 246:106946. https://doi:10.1016/j.anireprosci.2022.106946.

  6. Feugang, J.M., Rhoads, C.E., Mustapha, P.O., Tardif, S., Parrish, J.J., Willard, S.T., Ryan, P.L. 2019. Treatment of boar sperm with nanoparticles for improved fertility. Theriogenology 137:75-81.

  7. Hufana-Duran, D., Duran, P.G., Venturina, E., Peralta, M.D., Parrish, J.J. 2019. Predicting bull fertility by sperm nuclear shape in water buffalo (bubalus bubalis). Thai J. Vet Med 49:75-81.

  8. Kerns, K., Jankovitz, J., Minton, A., Kuster, C., Robinson, J., Sutovsky, P. (2020) Relationship between the length of sperm tail mitochondrial sheath and fertility traits in boars used for artificial insemination. Antioxidants, 9(11):1033. doi: 10.3390/antiox9111033

  9. Lawlor, M., Zigo, M., Kerns, K., Cho, I.K., Easley, C.A., Sutovsky, P.  Spermatozoan Metabolism as a Non-Traditional Model for the Study of Huntington’s Disease. Intl J of Molc Sci. 23(13):7163.  https://doi:10.3390/ijms23137163.

  10. Lents, C.A., Supakorn, C., DeDecker, A.E., Phillips, C.E., Boyd, R.D., Vallet, J.L., Rohrer, G.A., Foxcroft, G.R., Flowers, W.L., Trottier, N.L., Salak-Johnson, J.L., Bartol, F.F., Stalder, K.J. 2020. Dietary lysine-to-energy ratios for managing growth and pubertal development in replacement gilts. Applied Animal Science. 36(5):701-714. https://doi.org/10.15232/aas.2020-02016.

  11. Lugar, D.W., Harlow, K.E., J. Hundley, M. Goncalves, J. Bergstrom, and K.R. Stewart. 2019. Effects of increased levels of supplemental vitamins during the summer in a commercial AI boar stud. Animal 1-13. doi:10.1017/S1751731119001150

  12. Mills, K.M., Aryal, U.K., Sobreira, T., Minton, A.M., Casey, T., and K.R. Stewart. 2020. Shotgun proteome analysis of seminal plasma differentiate boars by reproductive performance.  Theriogenology 157: 130-139.  doi.org/10.1016/j.theriogenology.2020.07.013

  13. Nogueira, E., Tirpák, F., Hamilton, L., Zigo, M., Kerns, K., Sutovsky, M., Kim, J., Volkmann, D., Jovine, L., Taylor, J., Schnabel, R., Sutovsky, P.  A Non-Synonymous Point Mutation in a WD-40 Domain Repeat of EML5 Leads to Decreased Bovine Sperm Quality and Fertility. Front. Cell Dev. Biol. https://doi:10.3389/fcell.2022.872740.

  14. Parrish, J.J. PREDICITION OF FERTILITY IN MALES, US Patent App. 16/024,335; Patent granted May 2020.

  15. Rempel, L.A., Parrish, J.J., Miles, J.R. 2020. Genes associated with chromatin modification within the swine placenta are differentially expressed due to factors associated with season. Frontiers in Genetics. 11:1019. https://doi.org/10.3389/fgene.2020.01019.

  16. Sharif, M., Hickl, V., Juarez, G., Di, X., Kerns, K., Sutovsky, P., Bovin, N., Miller, D. J.   Hyperactivation is sufficient to release sperm from immobilized oviduct glycans.  Sci Rep 12, 6446. https://doi.org/10.1038/s41598-022-10390-x.

  17. Sharif, M., Kerns, K., Sutovsky, P., Bovin, N., Miller, D.J.   Progesterone induces porcine sperm release from oviduct glycans in a proteasome-dependent manner.  Reproduction. 161(4):449-457. doi: 10.1530/REP-20-0474.

  18. Spooner-Harris, M., Kerns, K., Zigo, M., Sutovsky, P., Balboula, A., Patterson, A. A reappraisal of mesenchymalepithelial transition (MET) in endometrial epithelial remodeling. Cell Tissue Res. 391(2):393-408. https://doi:10.1007/s00441-022-03711-z.

  19. Zigo, M., Kerns, K., Sen, S., Essien, C., Oko, R., Xu, D., Sutovsky, P.  Zinc is a master-regulator of sperm function associated with binding, motility, and metabolic modulation during porcine sperm capacitation. Commun. Biol. 5(1):538. https://10.1038/s42003-022-03485-8.


Genetics and Genomics



  1. Herrera-Uribe, J., Wiarda, J., Sivasankaran, S.K., Daharsh, L., Liu, H., Byrne, K.A., Smith, T.P., Lunney, J.K., Loving, C.L., Tuggle, C.K. 2021. Reference Transcriptomes of Porcine Peripheral Immune Cells Created Through Bulk and Single-Cell RNA Sequencing. Frontiers in Genetics. 12. Article 689406. https://doi.org/10.3389/fgene.2021.689406.

  2. Johnson, J.S., Stewart, K.R., Safranski, T.J., Ross, J.W. and L.H. Baumgard.  2020.  In utero heat stress alters postnatal phenotypes in swine.  Theriogenology, 154:110-119. doi.org/10.1016/j.theriogenology.2020.05.013

  3. Lents, C.A., Lindo, A.N., Hileman, S.M., Nonneman, D.J. 2020. Physiological and genomic insight into neuroendocrine regulation of puberty in gilts. Domest Anim Endocrinol. 11:106446. doi: 10.1016/j.domaniend.2020.106446.

  4. Wijesena, H.R., Rohrer, G.A., Nonneman, D.J., Keel, B.N., Petersen, J.L., Kachman, S.D., Ciobanu, D.C. 2019. Evaluation of genotype quality parameters for SowPro90, a novel genotyping platform for swine. Journal of Animal Science. 97(8):3262-3273. https://doi.org/10.1093/jas/skz185.

  5. Wijesena, H.R., SD Kachman, CA Lents, JJ Riethoven, MD Trenhaile-Grannemann, TJ Safranski, ML Spangler, DC Ciobanu. Fine mapping genetic variants associated with age at puberty and sow fertility using SowPro90 genotyping array.   J. Anim. Sci. 98(10): 1-12.


Sow and Gilt Performance



  1. Arend, L.S., Knox, R.V. 2021. Fertility responses of melatonin-treated gilts before and during the follicular and early luteal phases when there are different temperatures and lighting conditions in the housing area. Anim Reprod Sci, 230, 106769. doi:10.1016/j.anireprosci.2021.106769

  2. Arend, L.S., Vinas, R.F., Silva, G.S., Lower, A.J., Connor JF, Knox RV.   Effects of nursing a large litter and ovarian response to gonadotropins at weaning on subsequent fertility in first parity sows. J Anim Sci. 101:skac398. https://doi:10.1093/jas/skac398.

  3. Belstra, B.A., Willenburg, K.L, Gómez-López, D.H., Knox, R.V., and K.R. Stewart. 2020. Effects of number of sperm and site of uterine deposition on conception rate and number of embryos in weaned sows receiving a single fixed time insemination.  J Anim Sci.,98:9, 1-10. doi:10.1093/jas/skaa260

  4. Bhatia, V., Stevens, T., Derks, M.F.L., Dunkelberger, J., Knol, E.F., Ross, J.W., Dekkers, J.C.M.   Identification of the genetic basis of sow pelvic organ prolapse.  Front Genet.  14:1154713.  https://doi:10.3389/fgene.2023.1154713.

  5. Bidne, K.L., Romoser, M.R., Ross, J.W., Baumgard, L.H., Keating, A.F. 2019. Heat stress during the luteal phase decreases luteal size but does not affect circulating progesterone in gilts1. J Anim Sci. 97:4314-4322. doi: 1093/jas/skz251.

  6. Harlow, K., Summers, K., Oliver, W.T., Wells, J., Ferguson, M., Crouse, M.S., Neville, B.W., Rempel, L.A., Rivera-Colon, I., Ramsay, T.G., Davies, C.L. 2024. Diet and sow shape fungal and bacterial gut communities in the weanling pig, not administration of probiotic candidate Kazachstania slooffiae. Frontiers in Microbiology. vol:10. https://doi.org/10.3389/fvets.2023.1303984.

  7. Harlow, K., Ferreira, C.R., Sobreira, T.J.P., Casey, T. and K.R. Stewart.   Lipidome profiles of postnatal day 2 vaginal swabs reflect fat composition of gilt’s postnatal diet. PLoS ONE 14(9): e0215186. https://doi.org/10.1371/journal.pone.0215186.

  8. Harlow, K., Suarez-Trujillo, A., Hedrick, V., Sobreira, T.J.P., Aryal, U.K., Stewart, K.R. and T. Casey. Temporal analysis of vaginal proteome reveals developmental changes in lower reproductive tract of gilts across the first two weeks of postnatal.  Sci Rep. 2019 Sep 13;9(1):13241. doi: 10.1038/s41598-019-49597-w. 

  9. Hines, E.A., Romoser, M.R., Kiefer, Z.E., Keating, A.F., Baumgard, L.H., Niemi, J., Gabler, N.K., Patience, J.F., Haberl, B., Williams, N.H., Kerr, B.J., Touchette, K.J., Ross, J.W. 2019. The impact of dietary supplementation of arginine during gestation in a commercial swine herd: I. Gilt reproductive performance. J Anim Sci. 97:3617-3625. doi: 10.1093/jas/skz233.

  10. Knox, R.V., Arend, L.S., Buerkley, A.L., Patterson J.L., Foxcroft, G.R. 2021. Effect of physical or fenceline boar exposure and gonadotropins on fertility in gilts. J. Anim. Sci. DOI: 10.1093/jas/skab348.

  11. Leonard, S.M., Xin, H., Brown-Brandl, T.M., Ramirez, B.C., Johnson, A.K., Dutta, S., Rohrer, G.A. 2021. Effects of farrowing stall layout and number of heat lamps on sow and piglet behavior. Applied Animal Behaviour Science. 239:105334. https://doi.org/10.1016/j.applanim.2021.105334.

  12. Leonard, S.M., Xin, H., Brown-Brandl, T.M., Ramirez, B.C., Dutta, S., Rohrer, G.A. 2020. Effects of farrowing stall layout and number of heat lamps on sow and piglet production performance. Animals. 10:348. https://doi.org/doi:10.3390/ani10020348.

  13. Lindo, A.N., Thorson, J., Bedenbaugh, M.N., Mccosh, R.B., Lopez, J.A., Young, S.A., Meadows, L.J., Bowdridge, E.C., Fergani, C., Freking, B.A., Lehman, M.N., Hileman, S.M., Lents, C.A. 2021. Localization of kisspeptin, NKB, and NK3R in the hypothalamus of gilts treated with the progestin altrenogest. Biology of Reproduction. Article 103. https://doi.org/10.1093/biolre/ioab103.

  14. Miles, J.R., Walsh S.C., Rempel L.A., Pannier A.K.. 2022. Mechanisms regulating the initiation of porcine conceptus elongation.  Mol Reprod Dev.  DOI: 10.1002/mrd.23623.

  15. Mills, K.M., Ferreira, C.R., Stewart, K.R., Casey T.M.   Biomarkers predictive of long-term fertility found in vaginal lipidome of gilts at weaning.  J Anim Sci DOI: https://doi.org/10.21203/rs.3.rs-210669/v1.

  16. Mills, K.M., Shirley, L.K., Sharp, K., Garcia, R., Suarez-Trujillo, A., Stewart, K.R. 2021. Effects of induction on the farrowing process and piglet blood parameters at time of birth. TAS 5:108.  doi: 10.1093/tas/txab032

  17. Seibert, J.T., Adur, M.K., Schultz, R.B., Thomas, P.Q., Kiefer, Z.K., Keating, A.F., Baumgard, L.H., Ross, J.W. 2019. Differentiating between the effects of heat stress and lipopolysaccharide on the porcine ovarian heat shock protein response. J Anim Sci. 97:4965-4973. doi: 10.1093/jas/skz343. PMID: 31782954.

  18. Suarez-Trujillo, A., Senn, K., Teeple, K., Casey, T., and K.R. Stewart. 2020. Technical Note: A standardized model to study effects of varying 24 h colostrum dose on postnatal growth and development. TAS, txaa212, doi.org/10.1093/tas/txaa212.

  19. Vande Pol, K.D., Tolosa, A.F., Bautista, R.O., Willard, N.C., Gates, R.S., Shull, C.M., Brown, C.B., Alencar, S.A., Lents, C.A., Ellis, M. 2021. Effects of drying and providing supplemental oxygen to piglets at birth on rectal temperature over the first 24 h after birth. Translational Animal Science. 5(3). Article txab095. https://doi.org/10.1093/tas/txab095.

  20. Walsh, S.C., Miles, J.R., Broeckling, C.D., Rempel, L.A., Wright-Johnson, E.C., Pannier, A.K.  Secreted metabolome of porcine blastocysts encapsulated within in vitro 3D alginate hydrogel culture systems undergoing morphological changes provides insights into specific mechanisms involved in the initiation of porcine conceptus elongation. Reprod Fertil Dev. 35(5):375-394. https://doi.org/10.1071/RD22210.

  21. Walsh, S.C., Miles, J.R., Keel-Mercer, B.N., Rempel, L.A., Wright-Johnson, E.C., Lindholm-Perry, A.K., Oliver, W.T., Pannier, A.K. 2022. Global analysis of differential gene expression within the porcine conceptus transcriptome as it transitions through spherical, ovoid, and tubular morphologies during the initiation of elongation. Molecular Reproduction and Development. Article 23553. https://doi.org/10.1002/mrd.23553.


Seasonality and Heat Stress



  1. Adur, M.K., Seibert, J.T., Romoser, M.R., Bidne, K.L., Baumgard, L.H., Keating, A.F., Ross, J.W.   Porcine endometrial heat shock proteins are differentially influenced by pregnancy status, heat stress, and altrenogest supplementation during the peri-implantation period.  J Anim Sci. 100(7):skac129. https://doi:10.1093/jas/skac129.

  2. Brown-Brandl, T.M., Hayes, M.D., Rohrer, G.A., Eigenberg, R.A.  Thermal comfort evaluation of three genetic lines of nursery pigs using thermal images. Biosystems Engineering. 225:1-12. https://doi.org/10.1016/j.biosystemseng.2022.11.002.

  3. Raber, V.L., Pritchett, R.K., Robbins, L.A., Stewart, K.R., Gaskill, B.N., Green-Miller, A.R., Johnson, J.S.  Evaluating the temperature preferences of sexually mature Duroc, Landrace, and Yorkshire boars.  Transl Anim Sci.  May 29;7(1):txad060. https://doi:10.1093/tas/txad060.

  4. Ramirez, B.C., Hoff, S.J., Hayes, M.D., Brown-Brandl, T.M., Harmon, J.D., Rohrer, G.A. 2022.  A review of swine heat production: 2003 to 2020. Frontiers in Animal Science. 3. Article 908434. https://doi.org/10.3389/fanim.2022.908434.

  5. Roach, C.M., Bidne, K.L., Romoser, M.R., Ross, J.W., Baumgard, L.H., Keating, A.F.  Impact of heat stress on prolactin-mediated ovarian JAK-STAT signaling in postpubertal gilts.  J Anim Sci. 100(7):skac129. https://doi:10.1093/jas/skac129.

  6. Romoser, M.R., Bidne, K.L., Baumgard, L.H., Keating, A.F., Ross, J.W.   Effects of increased ambient temperature and supplemental altrenogest before pregnancy establishment in gilts. J Anim Sci. 100(2):skac007. https://doi:10.1093/jas/skac007.

  7. Rudolph, T.E., Roach, C.M., Baumgard, L.H., Ross, J.W., Keating, A.F., Selsby, J.T.   The impact of Zearalenone on heat-stressed skeletal muscle in pigs.  J Anim Sci. 100(8):skac215. https://doi:10.1093/jas/skac215.


Teaching and Extension



  1. Boyd, R., Zier-Rush, C., Moeser, A., Culbertson, M., Stewart, K., Rosero, D., & Patience, J. 2019. Review: Innovation through research in the North American pork industry. Animal, 13(12), 2951-2966. doi:10.1017/S1751731119001915

  2. Hines, E., Romoser, M., Cover, J. Improving the gilt selection process.  Penn State Extension Report.  https://extension.psu.edu/improving-the-gilt-selection-process

  3. Knox, R. 2021. The New Building Designs on Swine Farms in China. June 2021. Illinois AgriNews.

  4. Knox, R. 2021.  New technology used in the swine breeding barn. Dec. 2021. Illinois AgriNews.

  5. Mills, K.M., Schinckel, A.P., Casey, T.M., and K.R. Stewart. 2020. Evaluation of on-farm indicators of gilt reproductive performance potential at 21 days of age.  TAS, txaa210, doi.org/10.1093/tas/txaa210.  


Abstracts/Posters/Professional Presentations



  1. Adur, M.K., Romoser, M.R., Bidne, K.L., Schultz, R.B., Keating, A.F., Baumgard, L.H., Ross, J.W. 2019 Proteomic assessment of the intra-uterine secretome during the peri- implantation phase to understand effects of increased ambient temperature on the porcine heat stress 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  2. Ahern, D.F., Florez, J.M., Martins, K., Huisman, A., Sonstegard, T.S., White, B.R., Lents, C.A. 2023. KISS1 knockout boars have decreased concentrations of gonadotropins leading to smaller testes and reduced skatole in backfat. American Society of Animal Science Proceedings. 101(Supplement 3):226-227. https://doi.org/10.1093/jas/skad281.275.

  3. Arend, L.S., Vinas, R.F., Silva, G., Lower, A., Connor, J.F., Knox. R.V.  Effects of nursing a large litter and ovarian response to gonadotropins at weaning on subsequent fertility in first parity sows. Journal of Animal Science, Volume 100, Issue Supplement_2, May 2022, Page 85, https://doi.org/10.1093/jas/skac064.137.

  4. Corredor, F.A., Sanglard, L.P., Ross, J.W., Keating, A.F., Serao, N.L. 2019. Phenotypic and genomic relationships between vulva score and reproductive performance in first- parity sows. American Society of Animal Science Midwest Section Meeting. Omaha, March 11-13.

  5. Davies, C.L., Garrett, W.M., Xiong, W., Cole, R.N., O'Meally, R., Oliver, W.T., Wells, J., Summers, K.L. 2023. Microbiome taxa involved in carbohydrate breakdown and synthesis of SFCA in the piglet gut. Meeting Abstract. https://doi.org/10.1093/jas/skad281.773.

  6. Desaulniers, A.T. Physiological effects of atrazine on swine: implications for agriculture and human health. Midwest Public Health Innovation and Research Expo (PHIRE). November 3rd, 2023.

  7. Desaulniers, A.T. Programming of testis development via milk extracellular vesicles. Veteran Affairs Nebraska-Western Iowa Health Care System Seminar Series. September 22, 2023.

  8. Desaulniers, A.T. Lactocrine Programming of the Testis is mediated by Extracellular Vesicles from Mother’s Milk. University of Wyoming. Department of Animal Science. September 20, 2023.

  9. Desaulniers, A.T. Enhancing boar fertility in the face of climate change through the mitigation of in utero heat stress. USMARC Seminar Series. May 17, 2023.

  10. Desaulniers, A.T., Bernhard, D. Lagundžin, K. Sharma, K. Sharp, T. Safranski, M. Lucy. 2023. In utero heat stress programs Leydig cell dysfunction in neonatal boars. Society for the Study of Reproduction Annual Meeting. Ottawa, Canada.

  11. Desaulniers, A., Cederberg, R., Knox, R., Lents, C.A., White, B. 2019. Use of genetic engineering to elucidate reproductive physiology of the boar. In: Missouri Physiological Society 2019 Annual Meeting Abstracts, 26Oct2019, Columbia, MO. pp. 6.

  12. Desaulniers, A.T. Milk exosomes: Facilitators of Lactocrine Programming in the Testis? NPOD Monthly PI Meeting. Zoom. January 20, 2023.

  13. Doungkamchan, K., Lucas, C., Wells, K., Molina, L., Whitworth, K., Prather, R., Miller, D.J. 2024. Knockout of PKDREJ, a candidate oviduct receptor on porcine sperm, reduces fertility assessed by competitive insemination. Annual Meeting of the Society for the Study of Reproduction.

  14. Doungkamchan, K., Parrish, J.J., Miller, D.J. 2020. Proteomic identification of molecular pathways and biomarkers related to porcine seasonal heat-induced infertility in males. 53rd Annual Meeting of the Society for the Study of Reproduction.

  15. Ebrecht, M.A., Ross, C.E., Cederberg, R.A., Lovercamp, K.W., Desaulniers, A.T., White, B.R. 2019. Effects of GnRH-II on spermatogenic function of swine. Proceedings of the 16th Annual Gilbert S. Greenwald Symposium on Reproduction and Perinatal Research. p. 44.

  16. Faltas, S.S., Nguyen, C., Metcalf, R., Bernhard, C., Lagundžin, D., Sharma, K., Sharp, K., Safranski, T., Lucy, M., and Desaulniers, A.T. Impaired seminiferous tubule development in neonatal boars after in uteroheat stress. UNL Undergraduate Research Fair.

  17. Geisert, R. Gene editing provides a tool to investigate the role of conceptus factors involved in the establishment of pregnancy.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  18. Hauxwell, K., Ostrand, L.M., Schmidt, T.B., Psota, E., Mote, B.E., Rohrer, G.A. 2021. Activity and bone lesion analysis on gilt retention to the breeding herd [abstract]. Journal of Animal Science. 99(Supplement 1):154. https://doi.org/10.1093/jas/skab054.264.

  19. Hines, E., Stewart, K.R.   Farrowing induction and your sows.  Extension Webinar.  Penn State Extension.  https://extension.psu.edu/farrowing-induction-and-your-sows-webinar.

  20. Kerns, K. Capacitation Patterns.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  21. Kerns, K., Sharif, M., Zigo, M., Miller, D.J., Sutovsky, P. 2019. Sperm capacitation-induced zinc efflux is necessary for increased proteasomal activity and release from oviduct glycans of the sperm reservoir. 52th Annual Meeting of the Society for the Study of Reproduction.

  22. Kiefer, Z.E., Chipman, A.L., Studer, J., Johnson, C., Rademacher, C.J., Linhares, D.C.L., Ross, J.W. 2019. Update on Prolapses and Pig Survivability Initiative. James D. McKean Swine Disease Conference. Ames, Iowa. November 7-8.

  23. Kiefer, Z.E., Chipman, A.L., Studer, J.M., Koester, L.R., Showman, L., Keating, A.F., Schmitz-Esser, , Ross, J.W. 2019. Identification of putative factors associated with pelvic organ prolapse in sows during late gestation. 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  24. Knox, R.   Follicle Development in Pigs:  State of the Art.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  25. Knox, R.V., Belstra, B.A., Willenburg, K.L.D., Gómez-López, D.H., and Stewart, K.R.   Effects of number of sperm and site of uterine semen deposition on conception rate and number of embryos in weaned sows receiving a single fixed time insemination. IXth International Conference on Boar Semen Preservation. Sydney, Australia

  26. Knox, R. V. 2021. Overview of Management of Reproduction: Pigs. Merck Veterinary Manual. pp 1-22. Management of Reproduction: Pigs - Merck Veterinary Manual (merckvetmanual.com)

  27. Knox, R.V. 2021. Gilt puberty, subsequent fertility, and incidence of silent heat in response to boar exposure and hormone induction, A.D. Leman Pre-Conference Workshop.

  28. Knox, R.V. 2022. Tools used and needed in the gilt pool. Journal of Animal Science, Volume 100, Issue Supplement_2, May 2022, Pages 9–10, https://doi.org/10.1093/jas/skac064.013

  29. Lents, C.A., Florez, J.M., Martins, K., Bostrom, J.R., Rodriquez-Villamil, P., Ongaratto, F., Huisman, A., Larson, S.A., Ahern, D.F., Ross, C.E., Elsken, D.H., Cushman, R.A., White, B.R., Sonstegard, T.S. 2023. The kisspeptin knockout pig; a new model for dissecting mechanisms controlling reproduction. American Society of Animal Science Proceedings. 101(Supplement 3):234-235. https://doi.org/10.1093/jas/skad281.283.

  30. Loucks, A., Hines, E.A.   Processed soy ingredients may adequately replace soybean meal in sow transition diets.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  Abst. 36. (Poster & Flash talk)

  31. Miles, J.   Mechanisms regulating the initiation of porcine conceptus elongation. Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  32. Miles, J.R., Rempel, L.A., Snider, A.P., Pannier, A.K. 2023 Characterization of mRNA expression for key glycerophospholipid and sphingolipid enzymes within trophectoderm and embryonic disc during initiation of porcine conceptus elongation. Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  57. (Poster)

  33. Mills, K., Aryal, U.K., Sobreira, T., Minton, A.M., Casey, T., Stewart, K.R. 2020. Shotgun proteomics reveal seminal plasma proteomes are reflective of boar reproductive performance. 2020 Midwest ASAS.

  34. Molina, L., Lam, K., Doungkamchan. K., Unverzagt, C., Miller, D.J. 2024. Sperm maturation regulates function and binding of sperm to complex and hybrid-N-linked oligosaccharides. Annual Meeting of the Society for the Study of Reproduction.

  35. Nguyen, C., Faltas, S.S., Wegner, M., Rupert, J., Bernhard, C., Lagundžin, D., Sharma, K., Sharp, K., Safranski, T., Lucy, M., Desaulniers, A. 2023. Effects of in utero heat stress on development and function of porcine Leydig cells. UNL Undergraduate Research Fair.

  36. Nordell, N.E., Sharma, K., Mote, B.E., Kumar, V., and Desaulniers, A.T. Lactocrine Programming of the Porcine Testicular Proteome via Extracellular Vesicles. Rocky Mountain Reproductive Sciences Symposium. Fort Collins, CO.

  37. Nordell, N.E., C.J. Bernhard, M. Wegner, R. Metcalf, J. Rupert, D. Lagundžin, Sharma, K.G. Sharp, T.J. Safranski, M.C. Lucy, and A.T. Desaulniers. 2023. In utero exposure to maternal heat stress impairs Leydig cell development and function in the boar. ASAS Midwestern Section Annual Meeting. Madison, WI.

  38. Nordell, N.E., Mote, B., Lents, C.A., and Desaulniers, T. 2023. Consumption of bioactive factors in mother’s milk alters the secretion of reproductive hormones within the hypothalamic-pituitary-testicular axis. 20th Annual Gilbert S. Greenwald Symposium on Reproductive and Developmental Sciences. Kansas City, KS. Elevator Pitch.

  39. Nordell, N.E., Mote, B., Lents, C.A. and Desaulniers, A.T. 2023. Consumption of bioactive factors in mother’s milk alters the secretion of reproductive hormones within the hypothalamic-pituitary-testicular axis. 20th Annual Gilbert S. Greenwald Symposium on Reproductive and Developmental Sciences. Kansas City, KS.

  40. Nordell, N.E., Qiu, H., Sharma, K., Mote, B., Kumar, V., and Desaulniers, A.T. 2023. Lactocrine Programming of the Porcine Testicular Proteome via Milk-Derived Extracellular Vesicles. NPOD Fall Symposium. Lincoln, NE.

  41. Nordell, N.E., Sharma, K., Mote, B.E., Kumar, V., and Desaulniers, T. 2023. Lactocrine programming of the porcine testicular proteome. Society for the Study of Reproduction Annual Meeting. Ottawa, Canada.

  42. Nordell, N.E., Sharma, K., Mote, B.E., Kumar, V., and Desaulniers, A.T. Impacts of dietary milk extracellular vesicle consumption on the testicular proteome. NPOD Spring Retreat.

  43. Nordell*, N.E., Bernhard, C.J., Wegner,* M., Metcalf,* R., Rupert,* J.D., Sharma, K., Sharp, K.G., Safranski, T.J., Lucy, M.C., Desaulniers, A.T. 2023. In utero exposure to maternal heat stress impairs Leydig cell development and function in the boar. ASAS Midwest Animal Science. Madison, WI. (Oral presentation)

  44. Nordell, N.E., Bernhard, C.J., Wegner, M., Metcalf, R., Rupert, J., Lagundžin, D., Sharma, K., Sharp, K.G., Safranski, T.J., Lucy, M.C., Desaulniers, A.T. 2022. In utero heat stress impairs Leydig cell development and function in a porcine model. 19th Annual Gilbert S. Greenwald Symposium on Reproductive and Developmental Sciences, Kansas City, MO. Abst 13.  (Poster)

  45. Ostrand, L.M., Tranhaile-Grannemann, M.D., See, G., Schmidt, T.B., Psota, E., Rohrer, G.A., Mote, B.E. 2021. Utilization of NUtrack to assess variance components and heritability of activity traits [abstract]. Journal of Animal Science. 99(Supplement 1):17. https://doi.org/10.1093/jas/skab054.030.

  46. Park, S.B., Gruhot, T.R., Liao, S.F., Rude, B.J., Mote, B.E., Feugang, J.M. 2019. Favorable seminal plasma environment to sperm fertility after L-arginine addition to boar diet. 42nd International Conference of Boar Semen Preservation (ICBSP), Hunter Valley, NSW, Australia.

  47. Parrish, J.J., Gall, T., Wilson, M., Ballard, M. 2022. Salmate fish oil supplement to boars and impact on sperm production and spermatogenesis.

  48. Parrish, J.J., Gall, T., Wilson, M., Parsley, M., Ballard, M.   Protected fish oil supplement to boars and the impact on sperm production and spermatogenesis.  ASAS Midwest Animal Science. Madison, WI.  (Oral presentation)

  49. Polivanov, L.J., Shelton, J., Nordell, N.E., Qiu, H., Rogan, E.G., Bartelt-Hunt, S.E., Zahid, M., White, B.R., Sillman, S.J., and Desaulniers, A.T. Maternal atrazine consumption via drinking water impairs offspring development. 20th Annual Gilbert S. Greenwald Symposium on Reproductive and Developmental Sciences. Kansas City, KS. Elevator Pitch.

  50. Polivanov, L.J., Shelton, J., Nordell, N.E., Qiu, H., Rogan, E.G., Bartelt-Hunt, S.E., Zahid, M., White, B.R., Sillman, S.J., and Desaulniers, A.T. Maternal atrazine consumption via drinking water impairs offspring development. 20th Annual Gilbert S. Greenwald Symposium on Reproductive and Developmental Sciences. Kansas City, KS.

  51. Rohrer, G.A., Cross, A.J., Keel, B.N., Brown-Brandl, T.M., Cassady, J.P. 2019. Genetic factors associated with changes in feeding behavior due to elevated temperature. In: Proceedings of the Plant and Animal Genome Conference, San Diego, CA, Jan. 12-15, 2019. pg. 8, W034. Available: https://www.intlpag.org/2019/images/pdf/2019/PAGXXVII-abstracts-workshops.pdf.

  52. Ross, C.E., Desaulniers, A.T., Cederberg, R.A., Choat, F.H., Elsken, D.H., Kurz, S.G., Mills, G.A., Lents, C.A., White, B.R. 2023. Diminished reproductive hormone concentrations in GnRHR-II knockdown gilts during the follicular phase of the estrous cycle may be attributed to reduced GnRHR-II levels in theca cells [abstract]. Molecular Reproduction and Development. 90(7):724. https://doi.org/10.1002/mrd.23697.

  53. Ross, C.E., Choat, F.H., Plager, K.N., Desaulniers, A.T., Cederberg, R.A., Mills, G.A., White, B.R. 2019. Effect of GnRH-II and its receptor on boar semen quality. Reproduction, Fertility and Development. 32(2):201. https://doi.org/10.1071/RDv32n2Ab53.

  54. Ross, J.W., Hale, B.J., Seibert, J.T., Adur, M.K., Keating, A.F., Baumgard, L.H. 2019. Physiological mechanisms through which heat stress compromises reproduction in pigs. 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  55. Schultz, R.B., Bidne, K.L., Romoser, M.R., Adur, M.K., Baumgard, L.H., Keating A.F., Ross, J.W. 2019. Effect of heat stress on the corpus luteum proteome during early pregnancy establishment in pigs. 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  56. Sharp, K., Mills, K., Garcia, R., K.R. Stewart.   Impacts of various farrowing induction protocols in attended farrowings.  Midwest ASAS, Omaha, NE.

  57. Shelton, J., L.J. Polivanov, N.E. Nordell, H. Qiu, E.G. Rogan, S.E. Bartelt-Hunt, M. Zahid, B.R. White, S.J. Sillman, and T. Desaulniers. 2023. The effect of environmentally relevant atrazine exposure on maternal physiology. 20th Annual Gilbert S. Greenwald Symposium on Reproductive and Developmental Sciences. Kansas City, KS.

  58. Shirley, L.K., Burgett, M., Schinckel, A.P., Field, T., Garcia, R., Johnson, J.S, Stewart, K.R., Stwalley, R.M. Evaluations of cooling pads on late lactation sows.  Midwest ASAS, Omaha, NE.

  59. Stewart, K.R., Casey, T., Mills, K., Aryal, U.K., and Minton, A.M. Shotgun proteome anaylsis of seminal plasma proteins differentiate boars by reproductive performance.  ICBSP, Hunter Valley, Australia.

  60. Stewart, K.R., Knox, R.V. 2022. Applied animal andrology: Boar in Manual of Animal Andrology, edited by P.J. Chenoweth and S.P. Lorton, CAB International, 2022, pp95-107.

  61. Studer, J.M., Kiefer, Z.E., Gianluppi, R., Adur, M.K., Shultz, R.B., Horst, E.A., Mayorga, E.J., Keating, A.F., Baumgard, L.H., Lents, C.A., Ross, J.W. 2021. Direct and indirect effects of heat stress on the hepatic and ovarian proteome in gilts [abstract]. Journal of Animal Science. 99(Supplement 1):106-107. https://doi.org/10.1093/jas/skab054.173.

  62. Studer, J., Kiefer, Z.E., Koester, L., Johnson, E., Baumgard, L.H., Schmitz-Esser, S., Greiner, L.L., Keating, A.F., Farkas, A., Galina-Pantoja, L., Vonnahme, K.A., Ross, J.W.   Metabolites in Insulin Resistance and Metabolic Syndrome Altered in Sows Suffering from Postpartum Dysgalactia Syndrome.  Proceedings of the Society for the Study of Reproduction 56th Annual Meeting, Ottawa, Canada.  Abst P489 (Poster) 

  63. Studer, J.M., Kiefer, Z.E., Keating, A.F., Baumgard, L.H., Olsen, K.M., Rambo, Z., Wilson, M.E., Rapp, C., Ross, J.W. 2019. Investigating the impact of manganese supplementation on corpus luteum function. 52nd Annual Meeting Society for the Study of Reproduction, San Jose, CA. July 18-21.

  64. Supakorn, C., Lents, C.A., Martinez, X., Vallet, J.L., Boyd, R.D., Rohrer, G.A., Dedecker, A.E., Stalder, K.J. 2019. Associations between day one piglet serum immunocrit ratio and subsequent growth during gilt development [abstract]. Journal of Animal Science. 97 (Supplement 2):146. Abstract 352. https://doi.org/10.1093/jas/skz122.258.

  65. Taechamaeteekul, P., Sang-Gassanee, K., Lin H.Y., Collell, M., Komolpis, K., Knox, R.V., Tummaruk, P. 2023 A clinical application of serum progesterone strip test to determine reproductive status in replacement gilts. Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium. 28. (Poster)

  66. Vinas, R.F., Arend, L.S., Silva, G., Lower, A.J., Connor, J.F., Kaustubh, B., Furugen, A., Andrade, A., Knox. R.V. Evaluation of electrical impedance spectroscopy to determine swine herd reproductive status using the accuracy of ultrasound and hormonal assays as diagnostic tools. Journal of Animal Science, Volume 100, Issue Supplement_2, May 2022, Page 84, https://doi.org/10.1093/jas/skac064.135.

  67. Walsh, S., Miles, J.R., Wright-Johnson, E.C., Keel, B.N., Rempel, L.A., Pannier, A.K. 2019. Transcriptomic profiles of uniform populations of in vivo-produced spherical, ovoid, or tubular porcine embryos during the initiation of elongation. Reproduction, Fertility and Development. 32(2):152. https://doi.org/10.1071/RDv32n2Ab53.

  68. White, B.   Gonadal steroidogenesis in boars and gilts with reduced endogenous levels of GnRH-II receptor.  Proceedings of the 11th International Conference on Pig Reproduction, Ghent, Belgium.  (Invited presentation)

  69. Zigo, M., Kerns, K., Ahlering, P., Sutovsky, P.   Comparison of Human and Porcine Sperm Zincoproteomes with Focus on Clinical and Evolutionary Implications.  Proceedings of the Society for the Study of Reproduction 56th Annual Meeting, Ottawa, Canada. Abst P456.


Multi-station Funded Grants (Active):



  1. NIH, R01HD095841, “Accumulation, Storage, and Release of Sperm in the Oviduct” Miller1, D. (PD), Prather2, R,. Sutovsky2, P. (1University of Illinois; 2University of Missouri).

  2. USDA-AFRI-NIFA Grant #2021-67015-34416, $500,000, Jul 1, 2021 – Oct 1, 2024, “Influence of Maternal and Embryonic Extracellular Vesicles on the Initiation of Porcine Conceptus Elongation” Pannier1, A.K. (PD), Miles2, J.R. (Co-PD), Rempel2, L.A. (1University of Nebraska; 2USDA, ARS, USMARC).

  3. USDA-AFRI-NIFA Grant #2022-08916, $999,618, May 1, 2023 – May 1, 2027, “Identifying AMR gene reservoirs and bacterial host-AMR gene associations to identify bacterial host range of AMR genes in swine production systems” Fernando1, S., Burkey1, T., Miller1, P., Schmidt2, A., Anderson2, C., Oliver3, W., Rempel3, L., Wells3, J. (1University of Nebraska; 2Iowa State University; 3USDA, ARS, USMARC).

  4. USDA-AFRI-NIFA Grant #2023-67015-39451, $650,000, May 1, 2023 – May 1, 2026, “Enhancing boar fertility in the face of climate change through the mitigation of in utero heat stress” Desaulniers1, A.T. (PD), Lents2, C., White1, B., Brito3, L, Johnson4, J. (1University of Nebraska; 2USDA, ARS, USMARC, 3Purdue University; 4USDA, ARS, West Lafayette).

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