08/17/2006

The resulting publications of this work are summarized by state in the Annual Report at http://cahpwww.vet.upenn.edu/nerp132/reports/report2006.html as well as in CRIS at http://cris.csrees.usda.gov

04/18/2007

The resulting publications of this work are summarized by state in the Annual Report at The resulting publications of this work are summarized by state in the Annual Report at http://ne1024.dyndns.org/reports/report2006.html as well as in CRIS at http://cris.csrees.usda.gov

12/12/2007

The resulting publications of this work are summarized in CRIS at http://cris.csrees.usda.gov

12/10/2008

Arogo Ogejo, J., K. Gungor, Z. Wen, Z. Hu, T. Yao, N. G. Love, and K. F. Knowlton. 2007. Recovery of phosphorus from dairy manure as struvite. Virginia Techs Deans Forum on the Environment. Blacksburg, VA. February 26, 2007, poster presentation.

Beck, J. L., K. Gilmore, N. G. Love, K. F. Knowlton, and J. A. Ogejo. 2007. Nitrogen removal from dairy waste using deammonification fueled by fermented dairy manure. Water Environment Federation Technical Exhibit and Conference (WEFTEC). October 13-17. San Diego, CA.

Beck, J. L., N. G. Love, K. F. Knowlton, and J. A. Ogejo. 2007. Nitrogen removal from dairy waste using deammonification fueled by fermented dairy manure. ASABE AIM Tech Session SE-24, Mini-Symposium: Ag Waste Management and Land Application of Waste to Address Environmental Concerns. June 17-20. Minneapolis, MN.

Beck, J., K. R. Gilmore, K. F. Knowlton, J. Arogo Ogejo, and N. G. Love. 2007. Nitrogen removal from dairy waste using deammonification fueled by fermented dairy manure. Virginia Techs Deans Forum on the Environment. Blacksburg, VA. February 26, 2007, poster presentation.

Bendfeldt, E., K. F. Knowlton, T. Denckla Cobb, F. Dukes, K. Holm, and J. Arogo-Ogejo. 2008. The Waste Solutions Forum: An innovative and cooperative approach to support the agricultural community and protect water quality. Comm. Dev. 38: 85-93.

Chaoui, H., F. Montes, C.A. Rotz and T.L. Richard. 2008. Dissociation and mass transfer coefficients for ammonia volatilization models. ASABE Paper No. 083802, St. Joseph, MI: ASABE.

Chen, S., Harrison, J.H., & Zhang, T. (2008). Nutrient Extraction from Liquid Dairy Manure as a Co-product. Conservation Innovation Grant Showcase Soil and Water Conservation Society Meeting, Tucson, AZ.

Chianese, D.S., C.A. Rotz and T.L. Richard. 2008. Simulating methane emissions from dairy farms. ASABE Paper No. 084098, St. Joseph, MI: ASABE.

Cox, B. G., R. E. James, K. F. Knowlton, M. L. McGilliard, and C. C. Stallings. 2007. Producer perceptions of feed management software. J. Dairy Sci. 90(Suppl. 1):64.

Cox, B. G., R. E. James, K. F. Knowlton, M. L. McGilliard, and C. C. Stallings. 2007. Impact of feed management software on whole farm nutrient balance and feeding management. J. Dairy Sci. 90(Suppl. 1):123. 1st place presentation in Southern Regional ADSA Production Division graduate student competition.

Daniels, K. M., S. R. Hill, K. F. Kno: wlton, R. E. James, M. L. McGilliard, and R. M. Akers. 2008. Effects of milk replacer composition on selected blood metabolites and hormones in pre-weaned Holstein heifers J. Dairy Sci. 91: 2628-2640.

Daniels, K. M., S. R. Hill, K. F. Knowlton, R. E. James, R. E. Pearson, M. L. McGilliard and R. M. Akers. 2007. Effects of milk replacer composition on selected blood metabolites and hormones in pre-weaned Holstein heifers. J. Dairy Sci. 90(Suppl. 1):84-85.

Davidson, D., & Harrison, J.H. (2008). Cooling of Dairy Plate Cooler Water Prior to Entry Into Surface Water  Two Case Studies. Proceedings of CSREES Water Quality Annual Meeting CSREES, Reno, NV.

DeBusk, J. A., J. A. Ogejo, K. F. Knowlton, and N. G. Love. 2008. Effect of aeration time on nitrification in separated liquid dairy manure. Biosystems Eng. (in review).

DeBusk, J. A., J. Arogo, K. F. Knowlton, and N. G. Love. 2008. Chemical phosphorus removal for separated flushed dairy manure. Appl. Eng. in Agric. 24: 499-506.

DeBusk, J., J. Arogo Ogejo, N. G. Love, and K. F. Knowlton. 2007. Adjusting N:P ratios in liquid dairy manure through nitrification and chemical phosphorus removal to match crop fertilizer requirements. Virginia Techs Deans Forum on the Environment. Blacksburg, VA. February 26, 2007, poster presentation.

DeBusk, J., J. Arogo, N. Love, and K.F. Knowlton. 2007. Adjusting N:P ratios in liquid dairy manure through nitrification and chemical phosphorus removal to match crop fertilizer requirements. ASABE AIM Tech Session SE-24, Mini-Symposium: Agricultural Waste Management and Land Application of Waste to Address Environmental Concerns. June 17-20. Minneapolis, MN.

Dou, Z., C. F. Ramberg Jr., L. Chapius-Lardy, J. D. Toth, Y. Wang, R. J. Munson, Z. Wu, L. E. Chase, R. A. Kohn, K. F. Knowlton, and J. D. Ferguson. 2007. A novel test for measuring and managing potential phosphorus loss from dairy cattle feces. Environ. Sci. Technol. 41: 4361-4366.

Dou, Z., C.F. Ramberg, L. Chapuis-Lardy, J. Fiorini, J.D. Toth, J.D. Ferguson. A novel approach for measuring and managing potential phosphorus loss from dairy cattle feces. Environ. Sci. Technol. 41:4361-4366. 2007.

Dou, Z., C.R. Chen, C.F. Ramberg, J.D. Toth, Y. Wang, A.N. Sharpley, S.E. Boyd, D. Williams, and Z.H. Hu. Phosphorus speciation and sorption-desorption characteristics in heavily manured soils. Soil Sci. Soc. Am. J. 2008. (in press).

García, A.M., T.L. Veith, P.J.A. Kleinman, C.A. Rotz, and L.S. Saporito. Assessing manure management strategies through small-plot research and whole-farm modeling. J. Soil Water Conserv. 63(4): 204-211. 2008.

Gay, S. W., J.A. Sparks, L.C. Marr, J. Arogo, M.D. Hanigan, and K.F. Knowlton. 2007. Evaluating the Effect on Dietary Crude Protein Content on Ammonia Flux from Dairy Manure. ASABE AIM Tech Session SE-24, Mini-Symposium: Agricultural Waste Management and Land Application of Waste to Address Environmental Concerns. June 17-20. Minneapolis, MN.

Goeser, J. P., L. M. Bauman, P. C. Hoffman, and D.K. Combs. 2008. Comparison of means and run to run variation of in vitro NDFD between two labs using different in vitro NDFD methods. J. Dairy Sci. 91:Suppl 1. P. 35 (ABSTRACT)

Goeser, J. P., P. C. Hoffman, and D. K. Combs. 2008. An alternative method to assess 24h ruminal in vitro neutral detergent fiber digestibility. J. Dairy Sci. 91:Suppl 1. P. 35 (ABSTRACT)

Goeser, J. P., P. C. Hoffman, and D. K. Combs. 2008. Improvement of the rumen fluid priming method for measuring in vitro NDF digestibility. J. Dairy Sci. 91:Suppl 1. P. 35 (ABSTRACT)

Goeser, J. P., P. C. Hoffman, and D. K. Combs. 2008. Amount of sample NDF affects estimates of in vitro NDF digestibility. J. Dairy Sci. 91:Suppl 1. P. 35 (ABSTRACT)

Gourley, C.J.P and Powell, J.M. 2007. Nutrient Management Approaches and Tools for Dairy Farms in Australia and the USA. Babcock Technical Bulletin 2007-04. Available: http://babcock.cals.wisc.edu/publications/display.lasso?locale=en&ID=648&Action=
The Babcock Institute for International Dairy Research and Development, University of Wisconsin-Madison, 53706

Güngör, K., J. Arogo-Ogejo, K. F. Knowlton, and N.G. Love. 2008. Prefermentation performance of a continuous pilot-scale fermenter treating dairy manure for enhanced biological phosphorus removal. Bioresource Technol. (in review)

Gungor; K., J. Arogo Ogejo, K. F. Knowlton, and N. G Love. 2007. Biological phosphorus removal to produce Designer Manures for dairy farms. Virginia Techs Deans Forum on the Environment. Blacksburg, VA. February 26, 2007, poster presentation.

Harrison, J.H. (2008). (Poster) The Role of Feed Management in Whole Farm Nutrient Management. National SARE Conference, KS City.

Harrison, J.H., & Bowers, K. (2008). (Poster) Capture of Phosphorus from Liquid Dairy Manure as a Fertilizer for Off-farm Transport. Conservation Innovation Grant Showcase Soil and Water Conservation Society Meeting, Tucson, AZ.

Harrison, J.H., White, R., Erickson, G., Sutton, A., Applegate, T., Burns, R., Carpenter, G., Koeslch, R., & Massey, R. (2008). National Feed Management Education and Assessment Tools as part of a Comprehensive Nutrient Management Plan. Conservation Innovation Grant Showcase 2008 Soil and Water Conservation Society Meetings, Tucson, AZ.

Harrison, J.H., White, R., Erickson, G., Sutton, A., Applegate, T., Burns, R., Carpenter, G., Koeslch, R., & Massey, R. (2008). National Feed Management Education and Assessment Tools as part of a Comprehensive Nutrient Management Plan. Conservation Innovation Grant Showcase 2008, Soil and Water Conservation Society Meeting, Tucson, AZ.

He, Z., H. Zhang, G.S. Toor, Z. Dou, C.W. Honeycutt, and B.E. Haggard. Phosphorus forms in sequentially-extracted fractions of biosolids and broiler litter. Soil Sci. Soc. Am. J. (Submitted).

Hill, S. R., K. F. Knowlton, E. Kebreab, J. France and M. D. Hanigan. 2008. A model of phosphorus digestion and metabolism in the lactating dairy cow. J. Dairy Sci. 91: 2021-2032.

Hill, S. R., K. F. Knowlton, K. M. Daniels, R. E. James, R. E. Pearson, A. V. Capuco,, and R. M. Akers. 2008. Effects of milk replacer composition on growth, nutrient excretion, and body composition in pre-weaned Holstein heifers J. Dairy Sci. 91: 3145-3155.

Hill, S. R., K. F. Knowlton, R. E. James, R. E. Pearson, G. L. Bethard, and K. J. Pence. 2007. Nitrogen and phosphorus retention and excretion in late gestation dairy heifers. J. Dairy Sci. 90: 4356-4360

Hill, S. R., K. M. Daniels, K. F. Knowlton, R. E. James, R. E. Pearson, M. L. McGilliard and R. M. Akers. 2007. The effect of milk replacer composition on growth and body composition of Holstein heifer calves. J. Dairy Sci. 90(Suppl. 1): 297.

Hill, S.R., K. F. Knowlton, E. Kebreab, J. France and M. D. Hanigan. 2007. A model of phosphorus digestion and metabolism in the lactating dairy cow. Can. J. Anim. Sci

Hollmann, M., K. F. Knowlton, and M. D. Hanigan. 2007. Daily manure nutrient flow from a lactating cow facility. Proc. Tri-State Nutrition Conf. page 121, Ft. Wayne, IN.

Hollmann, M., K. F. Knowlton, and M. D. Hanigan. 2008. Evaluation of solids, nitrogen and phosphorus excretion models in lactating dairy cows. J. Dairy Sci. 91:1245-1257.

Hollmann, M., K. F. Knowlton, M. L. McGilliard, and G. L. Mullins. 2008. Nutrient runoff potential from fescue pastures using simulated rotational grazing of lactating dairy cows. Comm. Soil Sci. and Plant Anal. 39:2648-2662.

Hollmann, M., K. F. Knowlton, M. R. Brosius, M. L. McGilliard, and G. L. Mullins. 2008. Phosphorus runoff potential of varying sources of manure applied to fescue pastures in Virginia. Soil Science 173: 721-735.

Jensen, J. 2008. Effects of traditional grazing and deferred grazing on nutrient cycling. MS Thesis. Logan, UT: Utah State University.

Jensen, J., and R. L. Miller. 2008. Effects of traditional grazing and deferred grazing on nutrient cycling. In 2008 Agronomy Abstracts. Madison, WI: American Society of Agronomy.

Kammes, K. L, G. Heemink, K. A. Albrecht, D. K. Combs. 2008. Utilization of Kura Clover-Reed Canarygrass Silage versus Alfalfa Silage by Lactating Dairy Cows. J. Dairy Sci. 91:3138-3144.

Kendall, C., C. Leonardi, P.C. Hoffman and D. K. Combs. 2008. Intake and milk production of cows fed diets that differed in dietary NDF and NDF digestibility. J. Dairy Sci. 91:Accepted in press.

Knowlton, K. F., M. S. Taylor, S. R. Hill, C. Cobb and K. F. Wilson. 2007. Manure nutrient excretion by lactating cows fed exogenous phytase and cellulose. J. Dairy Sci. 90: 4356-4360.

Kozarek, J. L., M. L. Wolfe, N. G. Love, and K. F. Knowlton. 2008. Sorption of estrogen to three agricultural soils from Virginia. Trans. of the ASABE 51:1591-1597.

Kristula, M.A., Z. Dou, J.D. Toth, B. Smith, N. Harvey, and M. Sabo. Evaluation of free stall mattress bedding treatments to reduce mastitis bacterial growth. J. Dairy Sci. 91:1885-1892, 2008.

Lopes, J. C., A. P. Vilela, K. A. Weigel, K. A. Albrecht and D. K. Combs. 2008. Production of Holstein and Jersey x Holstein cattle grazing ryegrass/white clover pasture. J. Dairy Sci. 91:Suppl 1. P. 35 (ABSTRACT)

M. S. Taylor, K. F. Knowlton, M. L. McGilliard, and J. H. Herbein. 2008. Blood mineral, hormone, and osteocalcin responses of multiparous Jersey cows to an oral dose of 25-Hydroxyvitamin D3 prior to parturition. J. Dairy Sci. 91: 2408-2416.

McDowell, R., Z. Dou, J.D. Toth, B. Cade-Menun, P. Kleiman, K. Soder, L. Saporito. Extractability and speciation of phosphorus in feeds and feces of different dairy herds. J. Environ. Qual. 37:741-752, 2008.

Miller, R. L, and D. N. Mortensen. 2007. Nutrient leaching and soil compaction in irrigated pastures under management intensive grazing. In 2007 Agronomy Abstracts. Madison, WI: American Society of Agronomy.

Miller, R. L. 2008. A Surprising Cause of Air Pollution. Utah Debate Conference. January 26, 2008.

Montes, F., C.A. Rotz and H. Chaoui. 2008. Process Modeling of Ammonia Volatilization from Ammonium Solution and Manure Surfaces. ASABE Paper No. 083584, St. Joseph, MI: ASABE.

Moreira, V. R., B. D. LeBlanc, E. C. Achberger, D. G. Frederick, C. Leonardi. 2008. Design and Evaluation of a Sequential Biological Treatment System for Dairy Parlor Wastewater in Southeastern Louisiana. Applied Engineering in Agriculture. Submitted.

Moreira, V. R., K. J. Han, M. E. McCormick. 2008. Corn silage management for lactating cows. LSU AgCenter, 5 p. 7/23/2008. http://www.lsuagcenter.com/en/crops_livestock/livestock/dairy/ nutrition/Corn+Silage+Management+for+Lactating+Dairy+Cows.htm

Mullarky, I. K., W. A. Wark, M. Dickenson, S. Martin, C. S. Petersson-Wolfe, and K. F. Knowlton. 2008. Analysis of immune function in lactating dairy cows on varying phosphorus diets. J. Dairy Sci. (in press)

Rotz, C.A. and D.S. Chianese. 2008. The Dairy Greenhouse Gas Model: Reference Manual, version 1.0. Available at: http://www.ars.usda.gov/sp2UserFiles/Place/19020000/DairyGHG ReferenceManual.pdf.

Rotz, C.A., H.D. Karsten and R.D. Weaver. 2008. Grass-based dairy production provides a viable option for producing organic milk in Pennsylvania. Online. Forage and Grazinglands doi:10.1094/FG-2008-0212-01-RS.

Skinner, R.H., M.S. Corson, and C.A. Rotz. Comparison of two pasture growth models of differing complexity. Agric. Systems (in press, accepted September 22, 2008).

Taylor, M. S., K. F. Knowlton, M. L. McGilliard and J. H. Herbein. 2007. Blood mineral, hormone, and osteocalcin responses of multiparous Jersey cows to an oral dose of 25-hydroxyvitamin D3 prior to parturition. J. Dairy Sci. 90(Suppl. 1): 359.

Taylor, M. S., K. F. Knowlton, M. L. McGilliard, W. S. Swecker Jr., J. D. Ferguson, and Z. Wu. 2007. Calcium and phosphorus balance and bone mobilization through lactation with varying dietary calcium. J. Dairy Sci. 90(Suppl. 1): 212.1st place presentation in National ADSA Production Division graduate student competition.

Taylor, M. S., K. F. Knowlton, M. L. McGilliard, W. S. Swecker, J. D. Ferguson, Z. Wu and M. D. Hanigan. 2008. Dietary calcium has little effect on mineral balance and bone mineral metabolism through 20 weeks of lactation in Holstein cows. J. Dairy Sci. (in press)

Velayudhan, B. T., K. M. Daniels, M. L. McGilliard, B. Corl, K. F. Knowlton and R. M. Akers. 2007. Abundance of mRNA expression and nutritional regulation of somatotropic axis genes in the small intestine of prepubertal dairy heifers fed high-protein high-fat milk replaces. J. Dairy Sci. 90(Suppl. 1): 295.

White, R., Harrison, J.H., Kincaid, R.L., Block, E., & St Pierre, N. (2008). Effectiveness of potassium bicarbonate to increase dietary cation-anion balance in early lactation cows. Journal of Dairy Science. 91: (E-Supplement 1) 141.

White, R., Harrison, J.H., Mertens, D., Yoon, I., Sanchez, B., & Nicholson, N. (in press). Effect of yeast culture on efficiency of nutrient utilization for. The Professional Animal Scientist. 24:114-119.
Zhao, Z., K. F. Knowlton N. G. Love, and J. A. Ogejo. 2008. Contribution of 17-² estradiol to total estrogenicity in dairy manure subject to anaerobic digestion or separation and aeration. ASABE Annual International Meeting, Providence, Rhode Island. Paper #084384.

Zhao, Z., K. F. Knowlton N. G. Love, and J. A. Ogejo. 2008. Estrogen removal with innovative treatment of dairy manure. ASABE Annual International Meeting, Providence, Rhode Island. Paper # 084366.

Zhao, Z., K. F. Knowlton, N. G. Love, and Y. Fang. 2007. Advanced Treatment to Reduce the Estrogen Content of Dairy Manure. World Environmental and Water Resources Congress. May 15-19. Tampa, Florida.

Zhao, Z., Y. Fang, N. G. Love, and K. F. Knowlton. 2008. Detection of endocrine disrupting compounds in various manure matrices using bioassays. doi:10.1016/j.chemosphere.2008.09.055

11/19/2009

Broderick, G.A. and Muck, R.E. 2009. Effect of alfalfa silage storage structure and rumen-protected methionine on production in lactating dairy cows. J. Dairy Sci. 92: 1281-1289.

Broderick, G.A., Muck, R.E., and Krizsan, S.J. 2009. Effect of silo type on utilization of alfalfa silage by lactating dairy cows. In: Broderick, G.A., Adesogan, A.T., Bocher, L.W., Bolsen, K.K., Contreras-Govea, F.E., Harrison, J.H. and Muck, R.E., editors. XVth International Silage Conference Proceedings, July 27-29, 2009, Madison, WI. pp. 361-362.

Chaoui, H., F. Montes, A. Rotz, and T. Richard. 2009. Dissociation and ammonia mass transfer from ammonium solutions and dairy cattle manure. Trans. ASABE 52(5):1695-1706.

Chianese, D.S., C.A. Rotz and T.L. Richard. 2009. Simulation of carbon dioxide emissions from dairy farms to assess greenhouse gas reduction strategies. Trans. ASABE 52(4):1301-1312.

Chianese, D.S., C.A. Rotz and T.L. Richard. 2009. Simulation of methane emissions from dairy farms to assess greenhouse gas reduction strategies. Trans. ASABE 52(4):1313-1323.

Chianese, D.S., C.A. Rotz and T.L. Richard. 2009. Simulation of nitrous oxide emissions from dairy farms to assess greenhouse gas reduction strategies. Trans. ASABE 52(4):1325-1335.

Chianese, D.S., C.A. Rotz, and T.L. Richard. 2009. Whole-farm greenhouse gas emissions: a review with application to a Pennsylvania dairy farm. Appl. Eng. Agric. 25(3):431-442.

Dou, Z., C. Ramberg, J.D. Toth, J. Ferguson, R. Kohn, K. Knowlton, L. Chase, Z. Wu. A fecal test for assessing P overfeeding: Evaluation using extensive farm dataset. J. Dairy Sci. (in press).

Dou, Z., C.R. Chen, C. F. Ramberg, J.D. Toth, Y. Wang, A.N. Sharpley, S.E. Boyd, D. Williams, and Z.H. Hu. Phosphorus speciation and sorption-desorption characterisitcs in heavily manured soils. Soil Sci. Soc. Am. J. 73:93-101, 2009.

Ghebremichael, L.T., T.L. Veith, P.E. Cerosaletti, D.R. Dewing, and C.A. Rotz. 2009. Exploring economically and environmentally viable northeastern dairy farm strategies for coping with rising corn grain prices. J. Dairy Science 92:4086-4099.



Goeser, J. P., and D. K. Combs. 2009. Modification of a Rumen Fluid Priming Technique for Measuring in vitro NDF Digestibility. J. Dairy. Sci. 92: 3842-3848.

Goeser, J. P., P. C. Hoffman, and D. K. Combs, 2009. An alternative method to assess 24h ruminal in vitro neutral detergent fiber digestibility. J. Dairy Science. 92: 3833-3841.

Güngör, K., J. Arogo-Ogejo, K. F. Knowlton, and N.G. Love. 2009. Prefermentation performance of a continuous pilot-scale fermenter treating dairy manure for enhanced biological phosphorus removal. Bioresource Technol. 100: 2124-2129.

Hafner, S.D., F. Montes, and C.A. Rotz. 2009. Modeling emissions of volatile organic compounds from silage. ASABE Paper No. 095967, St. Joseph, MI: ASABE.

Hafner, S.D., F. Montes, and C.A. Rotz. 2009. Modeling emissions of volatile organic compounds from silage. p. 239. In Broderick, G.A., A.T. Adesogan, L.W. Bocher, K.K. Bolsen, F.E. Contreras-Govea, J.H. Harrison, and R.E. Muck, Proc. International Silage Conference, July 27-29, Madison, WI.

Harrison, J.H. (2009). Connecting profitability and stewardship - feed management indices related to whole farm nutrient management. Proceedings of 1th ADSA Discover Conference - Dairy Herd Analytics 17th ADSA Discover Conference on Food Animal Agriculture - Dairy Herd Analytics, Nashville, IN.

Harrison, J.H., White, R., Erickson, G., Sutton, A., Applegate, T., Burns, R., & Carpenter, G. (2009). Dairy Feed Management Basics to Reduce Nutrients to Cropland. Proceedings of CA Annual Agronomy Society, Fresno, CA.

He, Z., C.W. Honeycutt, T.S. Griffin, B.J. Cade-Menun, P.J. Pellechia, and Z. Dou. Phosphorus forms in conventional and organic dairy manure identified by solution and solid state P-31 NMR spectroscopy. J. Environ. Qual. 38:1909-1918. 2009.

Kendall, C. C. Leonardi, P. C. Hoffman, and D. K. Combs. 2009. Intake and milk production of cows fed diets that differed in dietary neutral detergent fiber and neutral detergent fiber digestibility. J. Dairy Sci. 92: 313-323.

Knowlton, K. F., M. L. McGilliard, Z. Zhao, K. G. Hall, W. Mims and M. D. Hanigan. 2009. Effective nitrogen preservation during urine collection from Holstein heifers fed diets with high or low protein content. J. Dairy Sci. (in press)

Knowlton, K. F., V. A. Wilkerson, D. P. Casper and D. R. Mertens. 2009. Manure nutrient excretion by Jersey and Holstein cows. J. Dairy Sci. (in press)

Koeslch, R., Heemstra, J., Harrison, J.H., & Risse, M. (2009, June 21). Livestock and Poultry Environmental Learning Center - Connecting with Clientele Using Web 2.0. Proceedings of ASABE Annual Meeting ASABE Annual Meeting, Reno, NV.
Kruse, K. A. , N. M. Esser, P. C. Hoffman and D. K. Combs. 2009. Effects of limit feeding and ionophore supplementation on replacement heifer growth, rumen function and manure excretion. J Dairy Sci. 92 (E-Suppl. 1): 456 (ABSTRACT)

Li., L., J. Cyriac, K. F. Knowlton, L. Marr, S. W. Gay, M. D. Hanigan, and J. A. Ogejo. 2009. Effects of reducing dietary nitrogen on ammonia emissions from manure on the floor of a naturally ventilated free stall dairy barn at low (0 to 20ºC) temperatures. J. Env. Qual. (in press)

Miller, A. L., J. P. Goeser and D. K. Combs. 2009. Pretreatment of alfalfa forage samples with ethanol or amylase affects estimates of in vitro NDF digestibility. J. Dairy Sci. 92 (E-Suppl. 1): 30-31 (ABSTRACT).

Montes, F., A. Rotz, and H. Chaoui. 2009. Process modeling of ammonia volatilization from ammonium solution and manure surfaces. Trans. ASABE 52(5):1707-1719.

Montes, F., S.D. Hafner, and C.A. Rotz. 2009. Characterization and measurement of VOC emissions from silage. p. 273. In Broderick, G.A., A.T. Adesogan, L.W. Bocher, K.K. Bolsen, F.E. Contreras-Govea, J.H. Harrison, and R.E. Muck, Proc. International Silage Conference, July 27-29, Madison, WI.

Montes, F., S.D. Hafner, and C.A. Rotz. 2009. Measuring emissions of volatile organic compounds from silage. ASABE Paper No. 096184, St. Joseph, MI: ASABE.

Moreira, V. R., L. K. Zeringue, C. C. Williams, C. Leonardi, M. E. McCormick. 2009. Influence of Calcium and Phosphorus Feeding on Markers of Bone Metabolism in Transition Cows. J. Dairy Sci. 92:5189-5198.

Moreira, V. R., B. D. LeBlanc, E. C. Achberger, D. G. Frederick, C. Leonardi. 2008. Design and Evaluation of a Sequential Biological Treatment System for Dairy Parlor Wastewater in Southeastern Louisiana. Applied Engineering in Agriculture. Accepted.

Leonardi, C., V. R. Moreira, R. D. Bardwell, M. E. McCormick, R., M. Autin Jr., B. Perez, M. C. Martinez. 2009. An Assessment of Current Feeding Practices in Louisiana Dairy Farms. Journal of Extension. Submitted (May/2009).

Moreira, V. R. 2009. Chapter 13  Ruminant Nutrition and the Environment. In: Feeding Dairy Cattle. L. C. Gonçalves, I. Borges, P. D. S. Ferreira, eds. Belo Horizonte, Brazil. 396-432. In press.

Sheffield, R., V. R. Moreira, B. D. LeBlanc, E. K. Twidwell. 2009. Dairy Sustainable Best Management Practices (BMP's), AgCenter Numbered Publication. In press.



Muck, R.E. and Holmes, B.J. 2009. Influence of cover type on silage quality in bunker silos. In: Broderick, G.A., Adesogan, A.T., Bocher, L.W., Bolsen, K.K., Contreras-Govea, F.E., Harrison, J.H. and Muck, R.E., editors. XVth International Silage Conference Proceedings, July 27-29, 2009, Madison, WI. pp. 277-278.

Muck, R.E., Broderick, G.A. and Brink, G.E. 2009. Effects of silo type on silage quality and losses. In: Broderick, G.A., Adesogan, A.T., Bocher, L.W., Bolsen, K.K., Contreras-Govea, F.E., Harrison, J.H. and Muck, R.E., editors. XVth International Silage Conference Proceedings, July 27-29, 2009, Madison, WI. pp. 275-276.

Powell, J.M. and Gourley, C.J.P. 2009. Cows arent equal opportunity manure spreaders. Hoards Dairyman. p. 54. January 25, 2009.

Powell, J.M. and Gourley, C.J.P. 2009. Make the most out of your nutrients in feed, milk and manure. Grass Clippings, 4(1): 1-6. . http://www.cias.wisc.edu/wp-content/uploads/2009/02/grassclippings209final.pdf

Powell, J.M. and Grabber, J.H. 2009. Dietary forage impacts on dairy slurry nitrogen availability to corn. Agron. J. 101:747-753.

Powell, J.M. and M.P. Russelle. 2009. Dairy heifer management impacts manure N collection and cycling through crops in Wisconsin, USA. Agric., Ecosyst. Environ. 131: 170-177.

Powell, J.M. Snap-shot assessment of nutrient use efficiency on confinement dairy farms. 2009. Fact Sheet. US Dairy Forage Research Center, Madison, WI. http://www.ars.usda.gov/sp2UserFiles/Place/36553000/pdf's/Nutrient_use_efficiency/snap-shot%20assessment_PDF.pdf.

Powell, J.M., Broderick, G.A., Grabber, J.H. and Hymes Fecht, U.C. 2009. Effects of forage protein-binding polyphenols on chemistry of dairy excreta. J. Dairy Sci. 92: 1765-1769.

Powell, J.M., Rotz, C.A. and Weaver, D.M. 2009. Nitrogen use efficiency in dairy production. In: Grignani, C., Acutis, M., Zavattaro, L., Bechini, L., Bertora, C., Marino Gallina, P. and Sacco, D., editors. Proceedings of the 16th Nitrogen Workshop-Connecting different scales of nitrogen use in agriculture, June 28-July 1, 2009, Turin, Italy. pp. 241-242.

Rotz, C.A. 2009. Silage and whole-farm nutrient management. p. 3-13. In Broderick, G.A., A.T. Adesogan, L.W. Bocher, K.K. Bolsen, F.E. Contreras-Govea, J.H. Harrison, and R.E. Muck, Proc. International Silage Conference, July 27-29, Madison, WI.

Rotz, C.A., K.J. Soder, R.H. Skinner, C.J. Dell, P.J. Kleinman, J.P. Schmidt, and R.B. Bryant. 2009. Grazing can reduce the environmental impact of dairy production systems. Online. Forage and Grazinglands doi:10.1094/FG-2009-0916-01-RS.
Skinner, R.H., M.S. Corson, and C.A. Rotz. 2009. Comparison of two pasture growth models of differing complexity. Agric. Systems 99:35-43.

Taylor, M. S., K. F. Knowlton, M. L. McGilliard, W. S. Swecker, J. D. Ferguson, Z. Wu and M. D. Hanigan. 2009. Dietary calcium has little effect on mineral balance and bone mineral metabolism through 20 weeks of lactation in Holstein cows. J. Dairy Sci. 92: 223-237.

Toth, J.D., Z. Dou, J.D. Ferguson, C.F. Ramberg, Y. Feng, and Q. Wang. Effect of veterinary antimicrobials on metabolism of manure and soil microorganisms. Chemosphere. (in review).

Weinberg, Z.G., Miron, J., Chen, Y., Muck, R.E., Contreras-Govea, F.E., Weimer, P.J., Filya, I. and Kung, Jr., L. 2009. The effect of LAB silage inoculants on the rumen environment--current research status. In: Broderick, G.A., Adesogan, A.T., Bocher, L.W., Bolsen, K.K., Contreras-Govea, F.E., Harrison, J.H. and Muck, R.E., editors. XVth International Silage Conference Proceedings, July 27-29, 2009, Madison, WI. pp. 55-56.

Zhang, T., Bowers, K., Harrison, J.H., & Chen, S. (2009). Characterization of phosphorus in anaerobically digested dairy effluent and implications to phosphorus removal through struvite crystallization. Preprints of Papers / Division of Environmental Chemistry, American Chemical Society. 48(1), 499.

Zhang, T., Bowers, K., Harrison, J.H., & Chen, S. (2009). Releasing phosphorus from calcium for struvite fertilizer production from anaerobically digested dairy effluent. Water Environment Research

Zhang, T., Bowers, K., Harrison, J.H., & Chen, S. (2009, October 30). Impact of calcium on struvite precipitation from anaerobically digested dairy wastewater. New Membranes and Advanced Materials for Wastewater Treatment

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