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William P Weiss
Professor Education: M.S. – Purdue University – 1981 B.S. – Purdue University – 1980 Discipline(s): Websites of interest: Ohio Dairy Industry (http://dairy.osu.edu/) American Dairy Science Association (http://www.adsa.org/) American Society for Nutrition (http://www.nutrition.org/) Courses Taught: Advanced Studies: Energy and Lipids (Animal Science/Human Nutrition 830.01) co-instructor Capstone Rotation in Dairy Production Medicine. Co-instructor Grants & Awards: Nutrient cycling and kinetics in manure, compost and soil. OARDC Interdisciplinary Grant. 5/06 - 5/08 (Co-PI) Neutrophil responses when dairy cows are fed different types of vitamin E. ADM Nutrition. 12/06 - 12/08 (PI) Energy value of a fat supplement for dairy cows. Milk Specialties. 9/07 - 6/09 (PI) Use of manure nitrogen:ash ratio to estimate nitrogen volatilization. OARDC Interdisciplinary Grant. 1/07 - 12/09 (Co-PI) Novel method to estimate rumen undegraded methionine. Adisseo and Degussa. 7/07 - 7/08 (PI) Dietary fat and fiber effects on milk production by dairy cows. Milk Specialties. 6/07 - 6/09 (PI) Supplemental dietary iron for dairy cows. Zinpro Corp., 9/07-6/09 (PI) Distinguished OARDC Junior Scientist Award, 1997. American Feed Industry Association Dairy Nutrition Research Award (ADSA), 2000. Gamma Sigma Delta Award of Merit for Extension, 2005. Distinguished OARDC Senior Scientist Award, 2006. Pioneer Hybrid Forage Award (ADSA), 2006. Publications: Ferreira, G., W. P. Weiss, and L. B. Willett. 2007. Changes in measures of biotin status do not reflect milk yield responses when dairy cows are fed supplemental biotin. J. Dairy Sci. 90:1452-1459. Weiss, W. P. and J. S. Hogan. 2007. Effects of vitamin C on neutrophil function and responses to intramammary infusion of lipopolysaccharide in periparturient dairy cows. J. Dairy Sci. 90:731-739. Weiss, W. P. and D. J. Wyatt. 2006. Effect of corn silage hybrid and metabolizable protein supply on nitrogen metabolism of lactating dairy cows. J. Dairy Sci. 89:1644-1653. Beckman, J. L. and W. P. Weiss. 2005. Nutrient digestibility of diets with different fiber to starch ratios when fed to lactating dairy cows. J. Dairy Sci. 88:1015-1023. Nennich, T. D., J. H. Harrison, L. M. Van Wieringen, D. Meyer, A. J. Heinrichs, W. P. Weiss, N. R. StPierre, R. L. Kincaid, D. L. Davidson, and E. Block. 2005. Prediction of manure and nutrient excretion from dairy cattle. J. Dairy Sci. 88:3721-3733. Weiss, W. P. and J. S. Hogan. 2005. Effect of selenium source on selenium status, neutrophil function, and response to intramammary endotoxin challenge of dairy cows. J. Dairy Sci. 88:4366-4374. Weiss, W. P. and M. T. Socha. 2005. Dietary manganese for dry and lactating Holstein cows. J. Dairy Sci. 88:2517-2523. Weiss, W. P. and J. W. Spears. 2005. Vitamin and trace mineral effects on immune function of ruminants. in 10th International Symp. on Ruminant Physiology. Wageningen, Denmark, Copenhagen, Denmark. Weiss, W. P., H. R. Conrad, and N. R. St. Pierre. 1992. A theoretically-based model for predicting total digestible nutrient values of forages and concentrates. Anim. Feed Sci. Technol. 39:95-110. Weiss, W.P., J.S. Hogan, D.A. Todhunter, and K.L. Smith. 1997. Effect of vitamin E supplementation in diets with a low concentration of selenium. J. Dairy Sci. 80:1728-1737. Midla, L.T., K.H. Hoblet, W.P. Weiss, and M.L. Moeschberger. 1998. Supplemental dietary biotin for prevention of lesions associated with aseptic subclinical laminitis in first lactation Holsteins. Amer. J. Vet. Res. 59:733-738. Ivancic, Jr., J., and W. P. Weiss. 2001. Interactions between dietary sulfur and selenium on selenium balance of lactating Holstein cows. J. Dairy Sci. 84:225-232. Weiss, W. P., J. S. Hogan, and K. L. Smith. 2004. Changes in vitamin C concentrations in plasma and milk from dairy cows after an intramammary infusion of Escherichia coli. J. Dairy Sci. 87:32-37. Weiss, W.P. 2005. Selenium sources for dairy cattle. Pp. 61-72. Proc. Tri-state Dairy Nutr. Conf., Ft. Wayne, IN. Weiss, W.P. 2005. Randomness rules: living with variation in the nutrition composition of concentrate feeds. Pp 110-122. Proc. 16th Florida Ruminant Nutr. Symp. Gainesville, FL. Weiss, W.P. 2005. Adjusting net energy values of feeds fed to dairy cows. Pp 69-84. Proc. 7th Intermoutain Nutr. Conf. Salt Lake, UT. Weiss, W.P. 2005. Antioxidant nutrients, cow health, and milk quality. Pp 11-18. Proc. Penn State Dairy Cattle Nutr. Workshop. Grantville PA. Weiss, W.P. 2005. Update on trace mineral requirements for dairy cattle. Pp 13-30. Proc. Four-state Dairy Nutr. Conf. MWPS-4SD18, Dubuque IA Weiss, W.P. 2005. Sorting through the selenium source question. Hoard’s Dairyman 150 (16):623 (Sept 25). Weiss, W.P. and N.R. St-Pierre. 2006. Can you believe what you read? Hoard’s Dairyman 151 (6):197 (March 25). Weiss, W.P., and G. Ferreira. 2006. Water soluble vitamins for dairy cattle. Pp 51-63 in Proc. Tri-State Dairy Nutr. Conf. Ft. Wayne, IN. Weiss, W.P, and N.R. St-Pierre. 2006. Factors affecting manure excretion by dairy cows. Proc. Penn State Dairy Cattle Nutrition Workshop. Pp 23-27. Weiss, W.P., and J.L. Firkins. 2007. Silages as starch sources for cows. Mid-south Ruminant Nutrition Conf. Arlington, TX Weiss, W. P. and D. J. Wyatt. 2002. Effects of feeding diets based on silage from corn hybrids that differed in concentration and in vitro digestibility of neutral detergent fiber to dairy cows. J. Dairy Sci. 85:3462-3469. Weiss, W. P., H. R. Conrad, and N. R. St. Pierre. 1992. A theoretically-based model for predicting total digestible nutrient values of forages and concentrates. Anim. Feed Sci. Technol. 39:95-110. Weiss, W.P., J.S. Hogan, D.A. Todhunter, and K.L. Smith. 1997. Effect of vitamin E supplementation in diets with a low concentration of selenium. J. Dairy Sci. 80:1728-1737. Midla, L.T., K.H. Hoblet, W.P. Weiss, and M.L. Moeschberger. 1998. Supplemental dietary biotin for prevention of lesions associated with aseptic subclinical laminitis in first lactation Holsteins. Amer. J. Vet. Res. 59:733-738. Ivancic, Jr., J., and W. P. Weiss. 2001. Interactions between dietary sulfur and selenium on selenium balance of lactating Holstein cows. J. Dairy Sci. 84:225-232. Species: Dr. Weiss’ major research interests are: Extension duties include solving nutritional problems on dairy farms and providing technical information to veterinarians, nutritionists, and dairy farmers. |
314 Gerlaugh Hall
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