01/06/2003

Cardellino, R.A. and M.E. Benson. 2002. Lactation curves of commercial ewes rearing lambs. J. Anim. Sci. 80:23-27.



Lupton, C.J., D.F. Waldron, and F.A. Pfeiffer. 2001. Prickle factor in fleeces of performance-tested Fine-wool rams. Sheep & Goat Res. J. 17:9-13.

Falck, S.J., G.E. Carstens, and D.F. Waldron. 2002. Effects of prenatal shearing of ewes on birth weight and neonatal survivability of lambs. Sheep & Goat Res. J. 17:14-20.



Southey, B. R., S. L. Rodriguez_Zas, and K. A. Leymaster. 2001. Survival analysis of lamb mortality in a terminal sire composite population. J. Anim. Sci. 9:2298-2306.



Leymaster, K. A. 2002. Fundamental aspects of crossbreeding of sheep: Use of breed diversity to improve efficiency of meat production. Sheep and Goat Res. J. (In press).



Seals, R. C., I. Matamoros, and G. S. Lewis. 2002. Relationship between postpartum changes in 13, 14-dihydro-15-keto-PGF2a concentrations in Holstein cows and their susceptibility to endometritis. J. Anim. Sci. 80:1068-1073.



Seals, R. C., M. C. Wulster-Radcliffe, and G. S. Lewis. 2002. Modulation of the uterine response to infectious bacteria in postpartum ewes. Am. J. Reprod. Immunol. 47:57-63.



Wulster-Radcliffe, M. C. and G. S. Lewis. 2002. Transcervical AI in sheep: Effects of a new transcervical AI catheter and traversing the cervix. Theriogenology (In press)



Wulster-Radcliffe, M. C., M. A. Williams, J. N. Stellflug, and G. S. Lewis. 2001. Technical note: Semen collection from rams: Artificial vagina versus a vaginal collection vial. J. Anim. Sci. 79:2964-2967.



Cline, M. A., J. N. Ralston, R. C. Seals, and G. S. Lewis. 2001. Intervals from norgestomet withdrawal and injection of equine chorionic gonadotropin or P .G. 600 to estrus and ovulation in ewes. J. Anim. Sci. 79:589-594.



Stellflug, J. N., M. C. Wulster-Radcliffe, E. L. Hensley, E. A. Cowardin, R. C. Seals, and G. S. Lewis. 2001. Oxytocin-induced cervical dilation and cervical manipulation in sheep: Effects on laparoscopic artificial insemination. J. Anim. Sci. 79:568-573.



Wang, S., W.C. Foote, D.L. Sutton, A. Maciulis, J.M. Miller, R.C. Evans, G.R. Holyoak, J.W. Call, T.D. Bunch, W.D. Taylor and M.R. Marshall. 2001. Preventing experimental vertical transmission of scrapie by embryo transfer. Theriogenology. 56: 315-327.



Notter, D. R. and P. Chemineau. 2001. Nocturnal melatonin and prolactin plasma concentrations in sheep selected for fertility in autumn lambing. J. Anim. Sci 79:2895-2901.



Panitz, E., R. W. Godfrey and R.E. Dodson. 2001. Resistance to Ivermectin and the effect of topical Eprinomectin on fecal egg counts in St. Croix White hair sheep. Tropical Animal Health and Production. (In Press).



Panitz, E., R.E. Dodson and R.W. Godfrey. 2001. Incidence of Coccidia (eimeridae) in adult ewes and lambs on St. Croix. Journal of Agriculture of the University of Puerto Rico. (In Press).



Chang Y. M., R. Rekaya, D. Gianola and D. L. Thomas, 2001. Genetic variation of lactation curves in dairy sheep: A Bayesian analysis of Wood‘s function. Livestock Prod. Sci. 71:241-251.



McKusick, B. C., D. L. Thomas, and Y. M. Berger. 2001. Effects of weaning systems on commercial milk production and lamb growth of East Friesian dairy sheep. J. Dairy Sci.84:1660-1668.



McKusick, B. C., D. L. Thomas, Y. M. Berger, and P.G. Marnet. 2002. Effect of milking interval on alveolar versus cisternal milk accumulation, and milk production and composition in dairy ewes. J. Dairy Sci. (Accepted).



McKusick, B. C., D. L. Thomas, J. E. Romero, and P .G. Marnet. 2002. Effect of

Weaning System on Milk Composition and Distribution of Milk Fat Within the Udder of East Friesian Dairy Ewes. J. Dairy Sci. (In Press).



McKusick, B. C., M. C. Wiltbank, R. Sartori, P. G. Marnet, and D. L. Thomas. 2002. Effect of presence or absence of corpora lutea on milk production and composition of mid-lactation dairy ewes. J. Dairy Sci. 85:790-796.



Ponce de Leon-Gonzalez, L., W. L. Wendorff, H. H. Ingham, D. L. Thomas, J. J. Jaeggi, and K. B. Houck. 2002. Influence of Ovine milk in mixture with Bovine milk on the quality of reduced fat Muenster-type cheese. J. Dairy Sci. 85:36-42.



Southey, B. R., D. L. Thomas, R. G. Gottfredson, and R. D. Zelinsky. 2002. Ewe productivity of Booroola Merino-Rambouillet crossbred sheep during early stages of the introgression of the FecB allele into a Rambouillet population. Livestock Prod. Sci. 75:33-44.



Thomas, D. L., Y. M. Berger, and B. C. McKusick. 2001. Effects of breed, management system, and nutrition on milk yield and milk composition of dairy sheep. J. Anim. Sci. 79(E. Suppl.):EI6-E20. Available at: http://www.asas.org/jas/jas0913.pdf.



Thomas, D. L. and L. R. Miller. 2001. Organization and funding of sheep research and extension in the United States -from research to practice. Livestock Prod. Sci. 72:65-73.

12/01/2003

PURDUE UNIVERSITY



Journal Articles:

Ongeri, E.M., C.L. Bormann, R.E. Butler, D. Melican, W.G. Gavin, Y. Echelard, R.L. Krisher, and E. Behboodi. 2001. Development of goat embryos after in vitro fertilization and parthenogenetic activation by different methods. Theriogenology 55:1933-1945.

Ongeri, E.M., and R.L. Krisher. 2001. Glucose and pyruvate metabolism of pre-implantation goat blastocysts following in vitro fertilization and parthenogenetic activation. Cloning and Stem Cells 3:115-123.

Bormann, C.L., E.M. Ongeri, and R.L. Krisher. 2003. The effect of vitamins during maturation of caprine oocytes on subsequent developmental potential in vitro. Theriogenology 59:1373-1380.

Diekman, M.A., M.K. Neary, and G.R. Kelly. 2003. Repeated injections of pregnant mare serum gonadotrophin (PMSG) failed to induce antibody production in fall lambing ewes. Sheep and Goat Res. J. 18(in press).



Abstracts:

Bormann, C.L., E.M. Ongeri, and R.L. Krisher. 2000. Effect of vitamins during maturation on subsequent developmental capacity of caprine oocytes. Biol. Reprod. 62 (suppl 1):166.

Ongeri, E.M., C.L. Bormann, R. Butler, D. Mellican, E. Schalar, S. Blash, E. Behboodi, and R.L. Krisher. 2000. Parthenogenic development of goat oocytes activated by different methods. Biol. Reprod. 62 (suppl 1):322.

Ongeri, E.M., and R.L. Krisher. 2001. Glucose and pyruvate metabolism of preimplantation goat blastocysts following in vitro fertilization and parthenogenetic activation. Theriogenology 55:458.

Bormann, C.L., J.E. Swain, A.L. Clifford, D.D. Gourley, and R.L. Krisher. 2001. Effect of recipient oocyte metabolism on development of ovine nuclear transfer embryos. Biol. Reprod. 64 (suppl. 1):93.

Clifford, A.L., C.L. Bormann, and R.L. Krisher. 2002. Timing of fertilization relative to oocyte nuclear maturation in sheep. Theriogenology 57:716.

Durkin, R.E., C.A. Bidwell, A.C. Clifford, and R.L. Krisher. 2002. Gene expression and DNA methylation of an imprinted gene cluster on ovine chromosome 18 during early embryonic development. Proceedings, First International Meeting on Mammalian Embryo Genomics:51.



Extension Publications:

Neary, M.K., and A.L. Yager. 2002. Methods of livestock identification. Purdue University AS-556-W.

Mitchell, B., M.K. Neary, and G.R. Kelly. 2003. Blood sampling in sheep. Purdue University AS-557-W.

Yager, A.L., M.K. Neary, and W. Singleton. 2003. Estrus detection in farm animals. Purdue University AS-559-W.

Neary, M.K., and A.L. Yager. 2002. Body condition scoring in farm animals. Purdue University AS-550-W.



U.S. MEAT ANIMAL RESEARCH CENTER

USDA-ARS; CLAY CENTER, NE

Journal Articles:

Freking, B. A., S. Murphy, A. Wylie, R. L. Jirtle, S. Rhodes, J. W. Keele, K. A. Leymaster, and T. P. L. Smith. 2002. Identification of the single base change causing the callipyge muscle hypertrophy phenotype, the only known example of polar overdominance in mammals. Genome Res. 12:1496-1506.

Freking, B. A.,T. P. L. Smith, K. A. Leymaster, and R. L. Jirtle. 2002. DNA-based test for callipyge genotypic status in sheep. Provisional patent P.C. 0191.01 filed December 23, 2002 with Patents and Trademarks, Washington, D.C.

Leymaster, K. A. 2002. Fundamental aspects of crossbreeding of sheep: Use of breed diversity to improve efficiency of meat production. Sheep and Goat Research Journal 17(3):50-59.

Freking, B. A., T. P. L. Smith, and K. A. Leymaster. 2003. The callipyge mutation for sheep muscular hypertrophy  Genetics, Physiology, and Meat Quality. In Muscle Development of Livestock Animals: Physiology, Genetics, and Meat Quality (ed. M. tePas, H. Haagsman, and M. Everts), CAB International (Submitted)

Freetly, H. C., and K. A. Leymaster. 2003. Relationship between litter birth weight and litter size in six breeds of sheep. J. Anim. Sci. (Submitted)

Heaton, M. P., K. A. Leymaster, B. A. Freking, D. A. Hawk, J. W. Keele, W. M. Snelling, J. M. Fox, C. G. Chitko-McKown, and W. W. Laegreid. 2003. Prion gene sequence variation within diverse groups of U.S. sheep, beef cattle, and deer. Mamm. Genome. (Accepted 5-21-03)

Southey, B. R., S. L. Rodriguez-Zas, and K. A. Leymaster. 2003. Discrete time survival analysis of lamb mortality in a terminal sire composite population. J. Anim. Sci. 81:1399-1405.

Abstracts and Proceedings:

Cammack, K. M., M. K. Nielsen, K. A. Leymaster, and T. G. Jenkins. 2002. Genetic parameters for growth, feed intake, and feeding behavior in a composite population of sheep. J. Anim. Sci. 80(Suppl. 2):44. (Abstract No. 31)

Leymaster, K. A., K. M. Cammack, M. K. Nielsen, and T. G. Jenkins. 2002. Estimates of genetic parameters for daily gain, feed intake, and behavior traits in ram lambs of a composite population. CD-ROM Communication n0 10-09 in Proc. 7th World Cong. Genet. Appl. Livest. Prod., Montpellier, France.

Pala, A., K. A. Leymaster, R. L. McCraw, L. D. Young, and O. W. Robinson. 2002. Different breeding schedules at 6 month intervals in four breeds of sheep. CD-ROM Communication n0 02-42 in Proc. 7th World Cong. Genet. Appl. Livest. Prod., Montpellier, France.

Robinson, O. W., A. Pala, K. A. Leymaster, R. L. McCraw, and L. D. Young. 2002. Genetic parameters in 6-month breeding systems. CD-ROM Communication n0 02-43 in Proc. 7th World Cong. Genet. Appl. Livest. Prod., Montpellier, France.

Smith, T. P., B. A. Freking, and K. A. Leymaster. 2002. Identification of an SNP associated with callipyge in sheep. Page 224 in Proc. Plant and Animal Genome X, San Diego, CA. (Abstract)

Southey, B. R., S. L. Rodriguez-Zas, and K. A. Leymaster. 2002. Analysis of lamb mortality using competing risks. CD-ROM Communication n0 02-03 in Proc. 7th World Cong. Genet. Appl. Livest. Prod., Montpellier, France.

Southey, B. R., S. L. Rodriguez-Zas, and K. A. Leymaster. 2002. Estimation of genetic parameters of lamb mortality using discrete survival analysis. J. Anim. Sci. 80(Suppl. 2):43. (Abstract No. 28)

Casas, E., B. A. Freking, and K. A. Leymaster. 2003. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: Productivity of F1 ewes in fall breeding seasons. J. Anim. Sci. (Abstract, accepted)

Shackelford, S. D., K. A. Leymaster, T. L. Wheeler, and M. Koohmaraie. 2003. Effects of breed of sire on carcass composition and sensory traits of lamb. Proc. Reciprocal Meat Conf. (Abstract, accepted)

Smith, T. P. L., B. A. Freking, K. A. Leymaster, B. T. Page, E. Casas, G. L. Bennett, and J. W. Keele. 2003. DNA sequence variation as a selection tool in livestock: A simple base change causes callipyge in sheep. Proc. Horizons Livest. Conf., Queensland, Australia. (Abstract, accepted)

Southey, B. R., S. L. Rodriguez-Zas, and K. A. Leymaster. 2003. Competing risks analysis of lamb mortality. J. Anim. Sci. (Abstract, accepted)

Popular Press:

Leymaster, K. A. 2002. Fundamental aspects of crossbreeding of sheep: Use of breed diversity to improve efficiency of meat production. Sheep Industry News 6(11):16-20, 2002; The Shepherd, 47(11):8-17, 2002; Ranch & Rural Living 84(3):22-26 (Part I), 2002; and 84(4):19-24 (Part II), 2003; Banner 26(1):52-64, 2003.

Shackelford, S. D., Leymaster, K., Wheeler, T. L. and Koohmaraie, M. 2003. Evaluation of breeds for carcass composition and meat quality. Sheep Magazine 24:23.

VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY



Journal Articles:



Notter, D. R. and D. P. Sponenburg. 2002. Genetic control of color in Dorper sheep and their crosses. Sheep Goat Res. J. 17:47-51.



Smit, M. A., T. L. Shay, J. E. Beever, D. R. Notter and N. E. Cockett. 2002. Identification of an agouti-like locus in sheep. Anim. Genet. 33:383-384.



Notter, D. R. 2002. Opportunities to reduce seasonality of breeding in sheep by selection. Sheep Goat Res. J. 17:20-32.



Abstracts and Proceedings:



Notter, D. R., N. E. Cockett, and T. L. Shay. 2002. Effect of the melatonin receptor 1a gene on fertility and litter size in sheep. Proc. 7th World Congr. Genet. Appl. Livest. Prod. CD-ROM communication no. 08-03 (30:637-640).



Banos, G., R.M. Lewis, D.R. Notter, and D.E. Hogue. 2002. Genetic profile of fertility and prolificacy of maiden and mature ewes managed in a frequent lambing system. Proc. 7th World Congr. Genet. Appl. Livest. Prod. CD-ROM communication no. 08-21 (30: 713-716).



Notter, D. R. 2002. Genetics of fertility in sheep. Proc. Xth Int. Congr. Asian-Australasian Assoc. Anim. Prod. Soc., New Delhi, India, September 23-27, pp. 51-52.



Vanimisetti, H. B., S. L. Andrew, A. M. Zajac, and D. R. Notter. 2002. Genetic and phenotypic relationships among fecal egg count, packed cell volume, and body weight in sheep infected with Haemonchus contortus. Proc. Xth Int. Congr. Asian-Australasian Assoc. Anim. Prod. Soc., New Delhi, India, September 23-27, p. 299.



Vanimisetti, H. B., S. P. Greiner, A. M. Zajac, and D. R. Notter. 2002. Between-breed variation in response to Haemonchus contortus infection in sheep. J. Anim. Sci. 80(Suppl. 1):148.



Greiner, S. P., D. R. Notter, and H.-B. Vanimisetti. 2002. Evaluation of hair sheep composite breeds for easy-care lamb production: progress report. Proc. Virginia-North Carolina Shepherds‘ Symp., Blacksburg, VA, January 4-5, pp. 6-10.



VIRGINIA STATE UNIVERSITY



Abstracts and Proceedings:

Wildeus, S. J.E. Miller, and J. R. Collins. 2003. Gastrointestinal parasitism in pasture and pen-reared lambs of three hair sheep breeds in the southeastern U. S. Southern Sect. ASAS meeting, Mobile, AL (Abstract 89)



Wildeus, S. H. N. Zerby, K. E. Turner and J. R. Collins. 2003. Growth and carcass characteristics in lambs from three hair sheep breeds raised on pasture and hay-based diets. Southern Sect. ASAS meeting, Mobile, AL (Abstract 111)



University of Wisconsin-Madison



Journal Articles:



Chang, Y. M., R. Rekaya, D. Gianola and D. L. Thomas. 2002. Genetic variation of lactation curves in dairy sheep: quadratic function versus Wood‘s model. Livestock Prod. Sci. 77:147-153.

McKusick, B. C., D. L. Thomas, and Y. M. Berger. 2003. Effect of omission of machine stripping on milk production and parlor throughput in East Friesian dairy ewes. J. Dairy Sci. 86:680-687.

McKusick, B. C., D. L. Thomas, Y. M. Berger, and P.G. Marnet. 2002. Effect of milking interval on alveolar versus cisternal milk accumulation, and milk production and composition in dairy ewes. J. Dairy Sci. 85:2197-2206.

McKusick, B. C., D. L. Thomas, J. E. Romero, and P.G. Marnet. 2002. Effect of weaning system on milk composition and distribution of milk fat within the udder of East Friesian dairy ewes. J. Dairy Sci. 85:2521-2528.



Abstracts and Proceedings:



Berger, Y. M. 2002. Economics of winter milking for medium to large dairy sheep operations Proc. 8th Great lakes Dairy Sheep Symp., Cornell University, Ithaca, New York. University of Wisconsin-Madison, Dept. of Anim. Sci. pp. 118-126.

Berger, Y. M. 2002. Use of super-prolific breeds and artificial rearing of lambs. Proc. 50th Annual Spooner Sheep Day, Dept. Animal Sci., Univ. of Wisconsin-Madison. p. 51.

Thomas, D. L. 2002. Dairy sheep  The research emphasis starting in 1993. Proc. 50th Annual Spooner Sheep Day, Dept. Animal Sci., Univ. of Wisconsin-Madison. pp. 89-93.

Thomas, D. L., Y. M. Berger, and B. C. McKusick. 2002. The effect of IBR/PI3 and Pasteurella vaccination on the mortality rate of high percentage East Friesian lambs. Proc. 8th Great lakes Dairy Sheep Symp., Cornell University, Ithaca, New York. University of Wisconsin-Madison, Dept. of Anim. Sci. pp. 95-101.



Popular Press and Extension:



Thomas, D. L. 2002. Breeding ewe lambs or getting the most out of ewe lambs. 2001-2002 Sheep Management ETN Program. Viewed at: [http://www.uwex.edu/ces/animalscience/sheep/].





West Virginia University



Journal Articles

Knights, M., Hoehn, T., Lewis, P. E., and Inskeep, E. K., 2001a. Effectiveness of intravaginal progesterone inserts and FSH for inducing synchronized estrus and increasing lambing rate in anestrous ewes. J.Anim.Sci. 79, 1120-1131.

Knights, M., Maze, T. D., Bridges, P. J., Lewis, P. E., and Inskeep, E. K., 2001b.

Short-term treatment with a controlled internal drug releasing (CIDR)

device and FSH to induce fertile estrus and increase prolificacy in anestrous ewes. Theriogenology 55, 1181-1191.



Knights, M., Baptiste, Q. S., and Lewis, P. E. 2002. Ability of ram introduction

to induce an increase in LH secretion, estrus and ovulation in fall-born ewe lambs during anestrus. Anim. Reprod. Sci. 69 (3-4):199-209.



Knights, M., Baptiste, Q. S., Dixon, A.B., Pate, J.L., Marsh, D., Inskeep, E.K., and

Lewis, P. E. 2003. Effect of Dosage of Follicle Stimulating Hormone (FSH), Vehicle and Time of Injection on Ovulation Rate and Prolificacy in Anestrous Ewes. Small Ruminant research (in press)





Oregon State University



Meyer, H.H. 2002. Genetic and environmental impacts on prenatal loss. Sheep & Goat Research Journal. 17:11-14.





Utah State University





Bunch, T.D. , S. Wang,, N.E. Cockett, T.L. Shay, J. M. Miller, A. Maciulis, R.C. Evans, G.R. Holyoak, W.C. Foote and J.W. Call. 2002. The PRPN gene polymorphic distribution in embryo transfer flocks used for studying scrapie transmission. Plant, Animal & Microbe Genomes X. P134, p 111.



Wang, S. N. E. Cockett, J.M. Miller, T.L. Shay, A. Maciulis, D.L. Sutton, W.C. Foote, G.R. Holyoak, R.C. Evans, T.D. Bunch. J.E. Beever, J.W. Call, W.D. Taylor and M.R. Marshall. 2002. Polymorphic distribution of the ovine prion protein (PRP) gene in scrapie-infected sheep flocks in which embryo transfer was used to circumvent the transmissions of scrapie. Theriogenology. 57:1865-1875.





UNIVERSITY OF THE VIRGIN ISLANDS AGRICULTURAL EXPERIMENT STATION



Journal Articles:

Godfrey, R.W. 2002. Barbados Blackbelly Sheep. In: Animal Health and Production Compendium. Wallingford, UK: CAB International.



Panitz, E., R. W. Godfrey and R.E.Dodson 2002 Resistance to Ivermectin and effect of topical Eprinomectin on faecal egg counts in St. Croix White hair sheep. Vet. Res. Com. 26:443-446.





Abstracts:



Godfrey, R.W., Dodson, R.E. and A.J. Weis. 2002. The effect of flushing hair sheep ewes during the dry season in the tropics. J. Anim. Sci. 80(Suppl. 2):31.



Henry, D.M. and R.W. Godfrey. 2002. Evaluation of a laser thermometer for measuring the internal scrotal temperature of hair sheep rams. J. Anim. Sci. 80(Suppl. 2):31



Godfrey, R.W., Weis, A.J. and R.E. Dodson. 2002. Performance of St. Croix White and Dorper x St. Croix White lambs from birth to weaning in the tropics. J. Anim. Sci. 80(Suppl. 1):405.





North Dakota State University



Proceedings and Reports



Dahl, J.D., K. K. Sedivec, T. C. Faller, J. F. Karn, P.E. Nyren, and J. Olson. 2003. Effects of multi-species grazing on leafy spurge infested rangeland using twice-over and season-long grazing treatments. (A seven year summary). P. 18-24 In: Proc Western Dakota Sheep Day. N.D. State Univ. Hettinger Res. Ext Center. Rep. No. 43 Hettinger.



Dahl, J.D., K. K. Sedivec, T. C. Faller, J. F. Karn, P. E. Nyren, and J. Olson 2003. Multi-species grazing and single species grazing on leafy spurge infected rangeland. (A seven year summary). P. 25-32 In: Proc. Western Dakota Sheep Day. N.D. State Univ. Hettinger Res. Ext. Center Rep. No. 43 Hettinger.



Poland W. C., T. C. Faller, and L. Tisor. 2003. Effects of chickling vetch (Lathyrus sativus L.) Or alfalfa (Medicago sativus) in gestating ewe diets. P. 33-38 In: Proc. Western Dakota Sheep Day. N.D. State Univ. Hettinger Research Ext. Center. Rep. No. 43 Hettinger.



Faulkner M., K. K. Sedivec, J. Olson, T. C. Faller, J.D. Dahl, and G.P. Lardy 2003, Effects of dormant grazing on herbage production and plant growth. P. 39-50 In: Proc. Western Dakota Sheep Day. N.D. State Univ. Hettinger Research Ext. Center. Rep. No. 43 Hettinger



Faller T. C. , P. T. Berg, and J. D. Dahl 2003. Out of season reproductive potential of western white-faced Rambouillet ewes under North Dakota conditions. P. 56-63 In Proc.

Western Dakota Sheep Day, N.D. State Univ. Hettinger Research Ext. Center. Rep. No. 43 Hettinger.

07/23/2004

Publication Listing by Station



Oregon State University



Thomas, D.L., D.F. Waldron, G.D. Lowe, D.G. Morrical, H.H. Meyer and R.A. High. 2003. Length of docked tail and the incidence of rectal prolapse in lambs. J. Anim. Sci. 81:2725-2732.



Texas A&M University



Refereed Journal Articles:

Laughlin, A.M., D.F. Waldron, B.F. Craddock, G.R. Engdahl, R.K Dusek, J.E. Huston, C.J. Lupton, D.N. Ueckert, T.L. Shay, and N.E. Cockett. 2003. Use of DNA markers to determine paternity in a multiple-sire mating flock. Sheep & Goat Res. J. 18:14-17.



Rhee, K.S., C.E. Myers, and D.F. Waldron. 2003. Consumer sensory evaluation of plain and seasoned goat meat and beef products. Meat Sci. 65:785-789.



de la Concha-Bermejillo, A., J. Guo, Z. Zhang, and D.F. Waldron. 2003. Severe Orf in young goats. J. Vet. Diag. Inv. 15:423-431.



Schulze, K.S., D.F. Waldron, T.D. Willingham, D.R. Shelby, G.R. Engdahl, E. Gootwine, S. Yoshefi, G. W. Montgomery, M.L. Tate, and E.A. Lord. 2003. Effects of the FecB allele in half-sib families of Rambouillet-cross ewes. Sheep & Goat Res. J. 18:83-88.



Thomas, D.L., D.F. Waldron, G.D. Lowe, D.G. Morrical, H.H. Meyer, R.A. High, Y.M. Berger, D.D. Clevenger, G.E. Fogle, R.G. Gottfredson, S.C. Loerch, K.E. McClure T.D. Willingham, D.L. Zartman, and R.D. Zelinsky. 2003. Length of docked tail and incidence of rectal prolapse in lambs. J. Anim. Sci. 81:2725-2732.



Lupton, C.J., D.F. Waldron, and F.A. Pfeiffer. 2003. Interrelationships of traits measured on fine-wool rams during central performance test. Sheep & Goat Res. J. 18:1-7.



King, D.A., K.L. Voges, D.S. Hale, D.F. Waldron, C.A. Taylor, and J.W. Savell. 2004. Use of high and low voltage electrical stimulation strategies enhance muscle tenderness and color from cabrito carcasses. Meat Sci. (Submitted)

Texas Agricultural Experiment Station Publications:



Waldron, D.F. and C.J. Lupton. 2004. Improvement of sheep through selection of performance-tested and progeny-tested breeding animals. Texas Agric. Exp. Sta. Res. Cen. Rep. 2004-1.



Waldron, D.F. 2004. Sire summary of ram test performance (1995 ? 2004). Texas Agric. Exp. Sta. Res. Cen. Rep. 2004-2.



Theses:

Hart, A.M. 2003. Using real-time ultrasound to measure lamb carcasses and determine yield. M.S. Thesis. Angelo State University.





USDA Meat Animal Research Center

Journal Articles:

Casas, E., B. A. Freking, and K. A. Leymaster. 2004. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: II. Reproduction of F1 ewes in fall breeding seasons. J. Anim. Sci. 82:1280-1289.



Freetly, H. C., and K. A. Leymaster. 2004. Relationship between litter birth weight and litter size in six breeds of sheep. J. Anim. Sci. 82:612-618.



Freking, B. A., and K. A. Leymaster. 2004. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale Breeds of Sheep: IV. Survival, Growth, and Carcass Traits of F1 Lambs. J. Anim. Sci. (Submitted 4/26/04)



Freking, B. A., T. P. L. Smith, and K. A. Leymaster. 2004. The callipyge mutation for sheep muscular hypertrophy ? Genetics, Physiology, and Meat Quality. Chapter 15. In Muscle Development of Livestock Animals: Physiology, Genetics, and Meat Quality (ed. M. tePas, H. Haagsman, and M. Everts), CAB International. Pp. 317-342.



Heaton, M. P., K. A. Leymaster, B. A. Freking, D. A. Hawk, J. W. Keele, W. M. Snelling, J. M. Fox, C. G. Chitko-McKown, and W. W. Laegreid. 2003. Prion gene sequence variation within diverse groups of U.S. sheep, beef cattle, and deer. Mamm. Genome. 14(11):765-777.



Lupton, C. J., B. A. Freking, and K. A. Leymaster, K.A. 2004. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: III. Wool characteristics of F1 ewes. J. Anim. Sci. (Accepted 4/28/04)



Murphy, S. K., B. A. Freking, T. P. L. Smith, C. M. Nolan, A. A. Wylie, H. K. Evans, and R. L. Jirtle. 2004. Abnormal postnatal maintenance of elevated prenatal DLK1 levels in callipyge sheep. Genome Res. (Peer reviewed)



Southey, B. R., S. L. Rodriguez-Zas, and K. A. Leymaster. 2004. Competing risks analysis of lamb mortality in a terminal sire composite population. J. Anim. Sci. (Accepted 6/12/04)



Abstracts and Proceedings:

Casas, E., B. A. Freking, K. A. Leymaster. 2003. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: Productivity of F1 ewes in fall breeding seasons. J. Anim. Sci. J. Anim. Sci. 81(Suppl. 1):67. Abst. No. 266.



Freking, B. A., T. P. L. Smith, and K. A. Leymaster. 2004. Meat quality and the callipyge gene, consumer acceptance and final product. Proc. 7th World Sheep & Wool Congress. Quebec City, Canada. (Accepted)



Heaton, M. P., K. A. Leymaster, B. A. Freking, D. A. Hawk, J. W. Keele, and W. W. Laegreid. 2004. Prion gene sequence variation within diverse groups of U.S. sheep, beef cattle, and deer. Proc. Plant & Animal Genome XII. San Diego, CA, January 10-14, 2004. Abst. No. P311.



Heaton, M. P., K. A. Leymaster, B. A. Freking, and W. W. Laegreid. 2004. Accurate determination of PRNP haplotypes in U.S. sheep. Proc. Plant & Animal Genome XII. San Diego, CA. Abst. No. P312.



Leymaster, K. A., E. Casas, and B. A. Freking. 2004. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: Reproduction of F1 ewes in spring mating seasons. J. Anim. Sci. (Accepted)



Shackelford, S. D., K. A. Leymaster, T. L. Wheeler, and M. Koohmaraie. 2003. Effects of breed of sire on carcass composition and sensory traits of lamb. Page 12 in Proc. 56th Ann. Reciprocal Meat Conf., Columbia, MO.



Southey, B. R., S. L. Rodriguez-Zas, and K. A. Leymaster. 2003. Competing risks analysis of lamb mortality. J. Anim. Sci. 81(Suppl. 1):68. Abst. No. 268.



Popular Press:

Leymaster, K. A. 2003. Fundamental aspects of crossbreeding of sheep: Use of breed diversity to improve efficiency of meat production. Sheep Connection 5(1):27-30 (Part I) and 5(2):32-39 (Part II); The Shepherd 48(10):14-23.



Shackelford, S. D., K. A. Leymaster, T. L. Wheeler, and M. Koohmaraie. 2003. Lamb meat quality progress report number 1. Preliminary results of an evaluation of effects of breed of sire on carcass composition and sensory traits of lamb. The Shepherd. 48(7):10-13.



USDA Sheep Experiment Station



Herrmann, L. M., I. Hötzel, W. P. Cheevers, K. Pretty On Top, G. S. Lewis, and D. P. Knowles. 2004. Seven new ovine progressive pneumonia virus (OPPV) field isolates from Dubois Idaho sheep comprise part of OPPV clade II based on surface envelope glycoprotein (SU) sequences. Virus Res. 102:215-220.



Lewis, G. S. 2004. Steroidal regulation of uterine immune defenses. Anim. Reprod. Sci. (Accepted on May 23, 2004).



Wulster-Radcliffe, M. C., S. Wang, and G. S. Lewis. 2004. Transcervical artificial insemination in sheep: Effects of a new transcervical artificial insemination instrument and traversing the cervix on pregnancy and lambing rates. Theriogenology (Accepted on February 2, 2004).



Herrmann L. M., W. P. Cheevers, K. L. Marshall, T. C. McGuire, M. M. Hutton, G. S. Lewis, and D. P. Knowles. 2003. Detection of serum antibodies to ovine progressive pneumonia virus in sheep by using a caprine arthritis-encephalitis virus competitive-inhibition enzyme-linked immunosorbent assay. Clin. Diagn. Lab. Immunol. 10:862-865.



Lewis, G. S. 2003. Steroidal regulation of uterine resistance to bacterial infection in livestock. Reprod. Biol. Endocrinol. 1:117. http://www.rbej.com/content/1/1/117



Lewis, G. S. 2003. Role of ovarian progesterone and potential role of prostaglandin F2? and prostaglandin E2 in modulating the uterine response to infectious bacteria in postpartum ewes. J. Anim. Sci. 81:285-293.



Seals, R. C., M. C. Wulster-Radcliffe, and G. S. Lewis. 2003. Uterine response to infectious bacteria in estrous cyclic ewes. Am. J. Reprod. Immunol. 49:269-278.



Seals, R. C., M. C. Wulster-Radcliffe, and G. S. Lewis. 2002. Modulation of the uterine response to infectious bacteria in postpartum ewes. Am. J. Reprod. Immunol. 47:57-63.



Snowder, G. D., Stellflug, J. N., and Van Vleck.L. D. 2004.Genetic correlation of ram libido score with ewe reproductive traits of four sheep breeds. Applied Animal Behavior Science. (In Press).



Utah State University



Bunch, T.D., S. Wang, C. Wu and Y. Zhang . 2003. Mitochondrial D-loop sequence variation with three extant genera of the tribe capriini. Plant and Animal Genome XI. Abstract 134, p 117.



Bunch, T.D., R.C. Evans, S. Wang, C.P Brennand, D.R. Whittier and B.J. Taylor. 2003. Feed efficiency, growth rates and carcass evaluation of lambs of various hair x wool sheep crosses. Proceedings, Western Section, American Society of Animal Science, Vol. 54: 312-314.



Wang, S., T.D. Bunch, R.C. Evans, C.P. Brennand, D.R. Whittier, and B.J Taylor. 2003.Cholesterol level and sensory evaluation for lambs of Various hair x wool sheep crosses. Proceedings, Western Section, American Society of Animal Science, Vol. 54: 396-399.



Wu, C.H., Y.P. Zhang, T.D. Bunch, S. Wang and W. Wang. 2003. Mitochondrial control region sequence variation with the argali wild sheep (Ovis ammon): evolution and conservation relevance. Mammalia 67: 109-118.





Virginia Polytechnic Institute and State University



Journal Articles:



Notter, D. R., S. A. Andrew, and A. M. Zajac. 2003. Responses of hair and wool sheep to a single fixed dose of infective larvae of Haemonchus contortus. Small Ruminant Res. 47:221-225.



Notter, D. R., N. E. Cockett, and T. S. Hadfield. 2003. Evaluation of melatonin receptor 1a as a candidate gene influencing reproduction in a fall-lambing sheep flock. J. Anim. Sci. 81:912-917.



Abstracts and Proceedings:



Notter, D. R. 2003. Contributions of hair sheep to meat production in temperate climate countries. In: dos Santos, E. S. and W. H. de Sousa (Eds.), Anais do II Simpósio Internacional sobre Caprinos e Ovinos de Corte, EMEPA-PB, João Pessoa, Paraíba, Brazil, September 29-October 5, pp. 457-467.



MacKinnon, K. M., L. A. Kuehn, and D. R. Notter. 2003. Pedigree analysis of a closed population of crossbred sheep. J. Anim. Sci. 81(Suppl. 1):67 (Abstr.).

Greiner, S. P., S. K. Duckett, and D. R. Notter. 2003. Effect of breed type on sensory evaluation and fatty acid content of lamb. J. Anim. Sci. 81(Suppl. 1):124 (Abstr.).



Theses:



Vanimisetti, H. B. 2003. Genetics of resistance to Haemonchus contortus infections in sheep. M.S. Thesis.



MacKinnon, K. M. 2003. Analysis of inbreeding in a closed population of crossbred sheep. M. S. Thesis.



Virginia State University



Abstracts and Proceedings papers:

Wildeus, S., J. R. Collins, and D. H. Keisler. 2003. Ovarian response and fertility in postpubertal does and hair sheep ewes to an induced estrus using either MGA or progesterone sponges. Journal of Animal Science, 81, Suppl. 1:127



Turner, K. E., S. Wildeus, and J. R Collins. 2003. Intake, growth, and blood characteristics in pen-fed lambs of three hair sheep breeds. Proceedings American Forage and Grasslands Council, April 26-30, 2003, Lafayette, LA, vol 12, pp.359-363



Wildeus, S., K. E. Turner, S. P. Greiner, and J. R.Collins. 2004. Differences in performance of hair sheep lambs and meat goat kids offered high forage diets with a corn-based supplement. Southern Sect. ASAS Meeting, Tulsa, OK (abstract 112)



Wildeus, S., J. R. Collins, and S. K. Duckett. 2004. Use of ceramic rumen boluses of different sizes for electronic identification of hair sheep lambs. Southern Sect. ASAS Meeting, Tulsa, OK (abstract 113)



Wildeus, S., A. M. Zajac, K. E. Turner, and J. R. Collins. 2004. The effect of Quebracho tannin supplementation on growth and parasitism in young goats and hair sheep grazing parasite-infected pasture. Southern Sect. ASAS Meeting, Tulsa, OK (abstract 115)



University of the Virgin Islands Agricultural Experiment Station



Journal Articles:



Godfrey, R.W and R.E. Dodson. 2003. Effect of supplemental nutrition around lambing on hair sheep ewes and lambs during the dry and wet seasons in the U.S. Virgin Islands. J. Anim. Sci. 81:587-593.



Godfrey, R.W., A.J. Weis and R.E. Dodson. 2003. Effect of flushing hair sheep ewes during the dry and wet seasons in the U.S. Virgin Islands. J. Anim. Vet. Adv. 2:184-190.



Wheaton, J.E and R. W. Godfrey. 2003. Plasma LH, FSH, testosterone, and age at puberty in ram lambs actively immunized against an inhibin -subunit peptide. Theriogenology 60: 933-901.



Henry, D.M. and R.W. Godfrey. 2004. Evaluation of an infrared thermometer for determining the scrotal surface temperature of hair sheep rams in a tropical environment. J. Anim. Vet. Adv. 2:695-699.




Abstracts:



Valenica, E. and R.W. Godfrey. 2003. Supplementation and N fertilization effects on forage availability and weight gains of St. Croix White hair sheep. In: Proc. 39th Caribbean Food Crop Soc., Martinique, FWI, June 30- July 5, 2003.



Valencia, E., Godfrey, R.W. and S. Weiss. 2003. Grazing and supplementation effects of lablab (Lablab purpureus) on weight gains of St. Croix White hair sheep lambs during the dry season. J. Anim. Sci. 81(Suppl. 1):353.



Dickerson, T., R. Godfrey, R. Dodson, A. Weis and S. Willard. 2003. The effect of 6-Methoxybenzoxazolinone (MBOA) on PMSG-induced superovulatory responses in St. Croix White ewes. J. Anim Sci. 81(Suppl 2).



Godfrey, R.W. and A.J. Weis. 2003. Growth and carcass traits of St. Croix White and Dorper X St. Croix White lambs in the tropics. J. Anim Sci. 81(Suppl 2).



Isles, O.T., R.W. Godfrey, R.E. Dodson and A.J. Weis. 2003. Evaluating the relationship between environmental temperature and physiological temperatures in hair sheep rams in the tropics. J. Anim Sci. 81(Suppl 2).



Godfrey, R.W., T. Dickerson, R.E. Dodson, A.J. Weis and S.T. Willard. 2003. Use of the phytoanticipin 6-methoxybenzoxazolinone to enhance the superovulatory response in St. Croix white ewes. Biol. Reprod. 68(Suppl. 1): 146.



Godfrey, R.W., A.J. Weis and R.E. Dodson. 2004. Production traits of St. Croix White and Dorper X St. Croix White lambs grazing native pasture during the dry season in the US Virgin Islands. Abstract presented at Southern Section ASAS in Tulsa, Feb 2004.



University of West Virginia



Knights, M., Q. S. Baptiste, A. B. Dixon, J. L. Pate, D. J. Marsh, E. K. Inskeep and P. E. Lewis. 2003. Effects of dosage of FSH, vehicle and time of treatment on ovulation rate and prolificacy in ewes during the anestrous season. Small Ruminant Res. 50:1-9.



Knights, M., T. Hoehn, D. Marsh, P. Lewis, J. Pate, A. Dixon and K. Inskeep. 2003. Reproductive management in the ewe flock by induction or synchronization of estrus. West Virginia Agricultural and Forestry Experiment Station Bulletin 727.





University of Wisconsin-Madison



Books and Book Chapters:



Berger, Y.M. 2002. Dairy chapter. SID Sheep Production Handbook. American Sheep Industry Association. Vol. 7.



Berger, Y.M. 2004. Fundamental principles of sheep dairying in North America. Edited and printed by UW-Madison Extension Press.



Journal Articles:



Jaeggi J.J., S. Govindasamy-Lucey, Y.M. Berger, M.E. Johnson, B.C. McKusick, D.L. Thomas, and W.L. Wendorff. 2003. Hard ewe?s milk cheese manufactured from milk of three different groups of somatic cell counts. J. Dairy Sci. 86:3082-3089.



Jaeggi, J.J., W.L. Wendorff, J. Romaro, and Y.M. Berger. 2004. Impact of seasonal changes in ovine milk on composition and yield of Manchego cheese. J. Dairy Sci. (accepted)



Thomas, D.L., D. F. Waldron, G. D. Lowe, D. G. Morrical, H. H. Meyer, R. A. High, Y. M. Berger, D. D. Clevenger, G. E. Fogle, R. G. Gottfredson, S. C. Loerch, K. E. McClure, T.D. Willingham, D. L. Zartman, and R. D. Zelinsky. 2003. Length of docked tail and incidence of rectal prolapse in lambs. J. Anim. Sci. 81:2725-2732.



Abstracts and Proceedings:



Caja, G., D. L. Thomas, M. Rovai, and Y. M. Berger. 2003. First results of a comparative trial of different rumen boluses in the electronic identification of US dairy sheep. Book of Abstracts, 54th Annual Meeting of the European Association for Animal Production, Rome, Italy. No. 9:193.



Caja, G., D. L. Thomas, M. Rovai, Y. M. Berger, and T. A. Taylor. 2003. Use of electronic rumen boluses for identification of sheep in the U.S. J. Anim. Sci. 81(Suppl. 1) and J. Dairy Sci. 86(Suppl. 1):280.



Rovai, M., D. L. Thomas, Y. M. Berger, and G. Caja. 2003. Use of digital pictures to study udder morphology in dairy sheep. J. Anim. Sci. 81(Suppl. 1) and J. Dairy Sci. 86(Suppl. 1):191.



Rovai, M., D. L. Thomas, Y. M. Berger, and G. Caja. 2003. Udder traits of dairy ewes on U.S. commercial farms and their effects on milk production. J. Anim. Sci. 81(Suppl. 1) and J. Dairy Sci. 86(Suppl. 1):191.



Rovai, M., D. L. Thomas, Y. M. Berger, and G. Caja. 2003. Udder traits of U.S. dairy ewes and their effects on milking time and milk yield. J. Anim. Sci. 81(Suppl. 1) and J. Dairy Sci. 86(Suppl. 1):191.



Popular Press and Extension:



Thomas, D.L. 2003. Differences among breeds of sheep in the U.S. and their use in efficient sheep production systems. 2003-2004 Sheep Management WisLine Program. Viewed at: [http://www.uwex.edu/ces/animalscience/sheep].



Thomas, David L. 2003. Status and future of public U.S. sheep research. The Shepherd 48(9):8-10.



Thomas, D. L. 2003. Calculation of yield of milk, fat, and protein in dairy sheep. J. Dairy Sheep Assoc. North America. 2(1):4-6.

10/17/2002