Publications

Elwakeel, E.A., R.G. Amachawadi, A.M. Nour, M.E.A. Nassar, T.G. Nagaraja, and E.C. Titgemeyer. 2013. In vitro degradation of lysine by ruminal fluid-based fermentations and by Fusobacterium necrophorum. J. Dairy Sci. 96:495-505.
Bailey, E.A., E.C. Titgemeyer, K.C. Olson, D.W. Brake, M.L. Jones, and D.E. Anderson. 2012. Effects of ruminal casein and glucose on forage digestion and urea kinetics in beef cattle. J. Anim. Sci. 90:3505-3514.
Bailey, E.A., E.C. Titgemeyer, K.C. Olson, D.W. Brake, M.L. Jones, and D.E. Anderson. 2012. Effects of supplemental energy and protein on forage digestion and urea kinetics in growing beef cattle. J. Anim. Sci. 90:3492-3504.
Elwakeel, E.A., E.C. Titgemeyer, B.R. Faris, D.W. Brake, A.M. Nour, and M.E.A. Nasser. 2012. Hydroxymethyl lysine is a source of bioavailable lysine for ruminants. J. Anim. Sci. 90:3898-3904.
Elwakeel, E.A., E.C. Titgemeyer, Z.J. Cheng, A.M. Nour, and M.E.A. Nasser. 2012. In vitro assessment of the nutritive value of expanded soybean meal for dairy cattle. J. Anim. Sci. Biotechnol. 3:10 (7 pages).
Titgemeyer, E.C., K.S. Spivey, S.L. Parr, D.W. Brake, and M. L. Jones. 2012. Relationship of whole body nitrogen utilization to urea kinetics in growing steers. J. Anim. Sci. 90:3515-3526.
Walker, D.K., E.C. Titgemeyer, D.E. Johnson, S.B. Laudert, and B.J. Johnson. 2011. Effects of ractopamine and gender on protein turnover in skeletal muscle of finishing steers and heifers. S. Afr. J. Anim. Sci. 41:16-23.
Brake, D.W., E.C. Titgemeyer, and M.L. Jones. 2011. Effect of nitrogen supplementation and zilpaterol-HCl on urea kinetics in steers consuming corn-based diets. J. Anim. Phys. Anim. Nutr. 95:409-416.
Titgemeyer, E.C., K. S. Spivey, L. K. Mamedova, and B. J. Bradford. 2011. Effects of pharmacological amounts of nicotinic acid on lipolysis and feed intake in cattle. Int. J. Dairy Sci. 6:134-141.
Titgemeyer, E.C., L.K. Mamedova, K.S. Spivey, J.K. Farney, and B.J. Bradford. 2011. An unusual distribution of the niacin receptor in cattle. J. Dairy Sci. 94:4962-4967.
Brake, D.W., E.C. Titgemeyer, M.L. Jones, and D.E. Anderson. 2010. Effect of nitrogen supplementation on urea kinetics and microbial use of recycled urea in steers consuming corn-based diets. J. Anim. Sci. 88:2729-2740.
Walker, D.K., E.C. Titgemeyer, T.J. Baxa, K.Y. Chung, D.E. Johnson, S.B. Laudert, and B.J. Johnson. 2010. Effects of ractopamine and sex on serum metabolites and skeletal muscle gene expression in finishing steers and heifers. J. Anim. Sci. 88:1349-1357.
Wickersham, T.A., E.C. Titgemeyer, R.C. Cochran, and E.E. Wickersham. 2009. Effect of undegradable intake protein supplementation on urea kinetics and microbial use of recycled urea in steers consuming low-quality forage. Br. J. Nutr. 101:225-232.
Wickersham, T.A., E.C. Titgemeyer, and R.C. Cochran. 2009. Methodology for concurrent determination of urea kinetics and the capture of recycled urea nitrogen by ruminal microbes in cattle. Animal 3:372-379.
Wickersham, T.A., E.C. Titgemeyer, R.C. Cochran, E.E. Wickersham, and D.P. Gnad. 2008. Effect of rumen-degradable intake protein supplementation on urea kinetics and microbial use of recycled urea in steers consuming low-quality forage. J. Anim. Sci. 86:3079-3088.
Wickersham, T.A., E.C. Titgemeyer, R.C. Cochran, E.E. Wickersham, and E.S. Moore. 2008. Effect of frequency and amount of rumen-degradable intake protein supplementation on urea kinetics and microbial use of recycled urea in steers consuming low-quality forage. J. Anim. Sci. 86:3089-3099.
Schroeder, G.F., and E.C. Titgemeyer. 2008. Interaction between protein and energy supply on protein utilization in growing ruminants: A review. Livest. Sci. 114:1-10.
Schroeder, G.F., E.C. Titgemeyer, and E.S. Moore. 2007. Effects of energy supply on leucine utilization by growing steers at two body weights. J. Anim. Sci. 85:3348-3354.
Awawdeh, M.S., E.C. Titgemeyer, J.S. Drouillard, R.S. Beyer, and J.E. Shirley. 2007. Ruminal degradability and lysine bioavailability of soybean meals and effects on performance of dairy cows. J. Dairy Sci. 90:4740-4753.
Elwakeel, E.A., E.C. Titgemeyer, B.J. Johnson, C.K. Armendariz, and J.E. Shirley. 2007. Fibrolytic enzymes to increase nutritive value of dairy feedstuffs. J. Dairy Sci. 90:5226-5236.
Nagaraja, T.G., and E.C. Titgemeyer. 2007. Ruminal acidosis in beef cattle: The current microbiological and nutritional outlook. J. Dairy Sci. 90(E. Suppl.):E17-E38.
Walker, D.K., E.C. Titgemeyer, E.K. Sissom, K. R. Brown, J. J. Higgins, and B.J. Johnson. 2007. Effects of steroidal implantation and ractopamine-HCl on nitrogen retention, blood metabolites, and longissimus mRNA expression of IGF-I in Holstein steers. J. Anim. Physiol. Anim. Nutr. 91:439-447.
Elwakeel, E.A., E.C. Titgemeyer, J.S. Drouillard, and C.K. Armendariz. 2007. Evaluation of ruminal nitrogen availability in liquid feeds. Anim. Feed Sci. Technol. 137:163-181.
Awawdeh, M.S., E.C. Titgemeyer, G.F. Schroeder, and D.P. Gnad. 2006. Excess amino acid supply improves methionine and leucine utilization by growing steers. J. Anim. Sci. 84:1801-1810.
Schroeder, G.F., E.C. Titgemeyer, M.S. Awawdeh, J.S. Smith, and D.P. Gnad. 2006. Effects of energy level on methionine utilization by growing steers. J. Anim. Sci. 84:1497-1504.
Schroeder, G.F., E.C. Titgemeyer, M.S. Awawdeh, J.S. Smith, and D.P. Gnad. 2006. Effects of energy source on methionine utilization by growing steers. J. Anim. Sci. 84:1505-1511.
Walker, D.K., E.C. Titgemeyer, J.S. Drouillard, E.R. Loe, B.E. Depenbusch, and A.S. Webb. 2006. Effects of ractopamine and protein source on growth performance and carcass characteristics of feedlot heifers. J. Anim. Sci. 84:2795-2800.
Awawdeh, M.S., E.C. Titgemeyer, K.C. McCuistion, and D.P. Gnad. 2005. Ruminal ammonia load affects leucine utilization by growing steers. J. Anim. Sci. 83:2448-2454.

Bindel, D.J., E.C. Titgemeyer, J.S. Drouillard, and S.E. Ives. 2005. Effects of choline on blood metabolites associated with lipid metabolism and digestion in steers fed corn-based diets. Journal of Animal Science 83:1625-1632.

Brazle, A.B., B.J. Johnson, E. C. Titgemeyer, S.K. Webel, and D.L. Davis. 2005. Fatty acid composition of the porcine conceptus in response to maternal omega-3 fatty acid supplementation. KSU Swine Research 2005, Manhattan, KS. pp. 8-11.

Awawdah, M.S., E.C. Titgemeyer, K.C. McCuistion, and D.P. Gnad. 2005. Ruminal ammonia load affects leucine utilization by growing steers. Journal of Animal Science 83:2448-2454.

Brazle, A.E., B.J. Johnson, E.C. Titgemeyer, S.K. Webel, and D.L. Davis. 2005. Fatty acid composition of the porcine conceptus in response to maternal omega-3 fatty acid supplementation. J. Anim. Sci. 83 (Suppl. 1):244.

McCuistion, K.C., E.C. Titgemeyer, M.S. Awawdeh, and D.P. Gnad. 2004. Histidine utilization by growing steers is not negatively affected by increased supply of wither ammonia or animo acids. Journal of Animal Science 82:759-769.

Walker, D.K., E.C. Titgemeyer, B.J. Johnson, and J.J. Higgins. 2005. Effects of ractopamine and steroidal implantation on nitrogen retention and blood metabolites in Holstein steers. J. Anim. Sci. 83 (Suppl. 1):114.

Awawdeh, M.S., E.C. Titgemeyer, K.C. McCuistion, and D.P. Gnad. Effects of ammonia load on methionine utilization by growing steers.
Lambert, B.D., E. C. Titgemeyer, C. A. Löest, and D. E. Johnson. Effect of glycine and vitamin supplementation on sulphur amino acid utilization by growing cattle.
McCuistion, K.C., E.C. Titgemeyer, M.S. Awawdeh, and D.P. Gnad. Histidine utilization by growing steers is not negatively affected by increased supply of either ammonia or amino acids.

Awawdeh, M.S., E.C. Titgemeyer, K.C. McCuistion, and D.P. Gnad. 2004. Effects of ammonia load on methionine utilization by growing steers. Journal of Animal Science 82:3537-3542.

Lambert, B.D., E.C. Titgemyer, C.A. Loest, and D.E. Johnson. 2004. Effect of glycin and vitamin supplementation on sulphur amino acid utilization by growing cattle. Journal of Animal Physiology and Animal Nutrition (Berlin) 88:288-300.

Titgemeyer, E.C, J.S. Drouillard, R.h. Greenwood, J.W. Ringler, D.J. Bindel, R.D. Hunter, and T. Nutsch. 2004. Effect of forage quality on digestion and performance responses of cattle to supplementation with cooked molasses blocks. Journal of Animal Science 82:487-494.

Wickersham, E.E., J.E. Shirley, E.C. Titgemeyer, M.J. Brouk, J.M. DeFrain, A.F. Park, D.E. Johnson, and R.T. Ethington. 2004. Response of lactating dairy cows to diets containing wet corn gluten feed or a raw soybean hull-corn steep liquor pellet. Journal of Dairy Science 87:3899-3911.

Arroquy, J. I., R. C. Cochran, M. Villarreal, T. A. Wickersham, D. A. Llewellyn, E. C. Titgemeyer, T. G. Nagaraja, D. E. Johnson and D. Gnad. 2004. Effect of level of rumen degradable protein and type of supplemental non-fiber carbohydrate on intake and digestion of low-quality grass hay by beef cattle. Anim. Feed Sci. Tech. 115:83-99.
Arroquy, J. I., R. C. Cochran, T. A. Wickersham, D. A. Llewellyn, E. C. Titgemeyer, T. G. Nagaraja, and D. E. Johnson. 2004. Effects of type of supplemental carbohydrate and source of supplemental rumen degradable protein on low-quality forage utilization by beef steers. Anim. Feed Sci. Tech. 115:247-263.
Farmer, C. G., B. C. Woods, R. C. Cochran, J. S. Heldt, C. P. Mathis, K. C. Olson, E. C. Titgemeyer, and T. A. Wickersham. 2004. Effect of supplementation frequency and supplemental urea level on dormant tallgrass-prairie hay intake and digestion by beef steers and prepartum performance of beef cows grazing dormant tallgrass-prairie. J. Anim. Sci. 82:884-894.
Farmer, C. G., R. C. Cochran, T. G. Nagaraja, E. C. Titgemeyer, D. E. Johnson, and T. A. Wickersham. 2004. Ruminal and host adaptations to changes in frequency of protein supplementation. J. Anim. Sci. 82:895-903.
Wickersham, T. A., R. C. Cochran, E. C. Titgemeyer, C. G. Farmer, E. A. Klevesahl, J. I. Arroquy, D. E. Johnson, and D. P. Gnad. 2004. Effect of postruminal protein supply on the response to ruminal protein supplementation in beef steers fed a low-quality grass hay. Anim. Feed Sci. Tech. 115:19-36.

trater, A.M., E.C. Titgemeyer, J.S. Drouillard, and J.N. Pike. 2003. Effects of processing factors on in vitro ammonia release from cooked molasses blocks containing urea. Animal Feed Science and Technology 107:173-190.

Klevesahl, E. A., R. C. Cochran, E. C. Titgemeyer, T. A. Wickersham, C. G. Farmer, J. I. Arroquy, and D. E. Johnson. 2003. Effect of a wide range in the ratio of supplemental rumen degradable protein to starch on utilization of low-quality, grass hay by beef steers. Anim. Feed Sci. Tech. 105:5-20.

Ives, S.E., E.C. Titgemeyer, T.G. Nagaraja, A. del barrio, D.J. Bindel, and L.C. Hollis. 2002. Effects of virginiamycin and monensin plus tylosin on ruminal protein metabolism in steers fed corn-based finishing diets with or without wet corn gluten feed. Journal of Animal Science 83:1625-1632.

Lambert, B.D., E.C. Titgemeyer, G.L. Stokka, B.M. DeBey, and C.A. Loest. 2002. Methionine supply to growing steers affects hepatic activities of methionine synthase and betaine-homocysteine methyltransferase, but not cystathionine synthase. Journal of Nutrition 132:2004-2009.

Loest, C.A., E.C. Titgemeyer, G. St-Jean, D.C. Van Metre, and J.S. Smith. 2002. Methionine as a methyl group donor in growing cattle. Journal of Animal Science 80:2197-2206.

Park, A.F., J.E. Shirley, E.C. Titgemeyer, M.J. Meyer, M.J. VanBaale, and M.J. VandeHaar. 2002. Effect of protein level in prepartum diets on metabolism and performance of dairy cows. Journal of Dairy Science 85:1815-1828.

Bandyk, C.A, R.C. Cochran, T.A. Wickersham, E.C. Titgemeyer, C.G. Farmer, and J.J. Higgins. 2001. Effect of ruminal versus postruminal administration of degradable protein on utilization of low-quality forage by beef steers. Journal of Animal Science 79:225-231.

Greenwood, R.H., E.C. Titgemeyer, G.L. Stokka, J.S. Drouillard, and C.A. Loest. 2001. Effects of L-carnitine on nitrogen retention and blood metabolites of growing steers and performance of finishing steers. Journal of Animal Science 79:254-260.

Loest, C.A., E.C. Titgemeyer, B.D. Lambert, and A.M. trater. 2001. Branched-chain amino acids for growing cattle limit-fed soybean hull-based diets. Journal of Animal Science 79:2747-2753.

Loest, C.A., E.C. Titgemeyer, J.S. Drouillard, D.A. Blasi, and D.J. Bindel. 2001. Soybean hulls in roughage-free diets for limit-fed growing cattle. Journal of Animal Science 79:766-774.

Meyer, M.J., J.E. Shirley, E.C. Titgemeyer, A.F. Park, and M.J. VanBaale. 2001. Effect of mechanical processing and fat removal on the nutritive value of cottonseed for lactating dairy cows. Journal of Dairy Science 84:2503-2514.

Titgemeyer, E.C., and C.A. Loest. 2001. Amino acid nutrition: Demand and supply in forage-fed ruminants. Journal of Animal Science 79(E. Suppl.):E180-E189.

trater, A.M., E.C. Titgemeyer, C.A. Loest, and B.D. Lambert. 2001. Effects of supplemental alfalfa hay on the digestion of soybean hull-based diets by cattle. Journal of Animal Science 79:1346-1351.

VanBaale, M.J., J.E. Shirley, E.C. Titgemeyer, A.F. Park, M.J. Meyer, R.U. Lindquist, and R.T. Ethington. 2001. Evaluation of wet corn gluten feed in diets for lactating dairy cows. Journal of Dairy Science 84:2478-2485.

Greenwood, R.H., E.C. Titgemeyer, and J.S. Drouillard. 2000. Effects of base ingredient in cooked molasses blocks on intake and digestion of prairie hay by beef steers. Journal of Animal Science 78:167-172.

Greenwood, R.H., and E.C. Titgemeyer. 2000. Limiting amino acids for growing Holstein steers limit-fed soybean hull-based diets. Journal of Animal Science 78:1997-2004.

Greenwood, R.H., E.C. Titgemeyer, C.A. Loest, and J.S. Drouillard. 1998. Effects of supplement strategy on intake and digestion of prairie by beef steers and plasma amino acid concentrations. Professtional Animal Scientist 14:56-61.

Wessels, R.H., and E.C. Titgemeyer. 1998. Effect of abomasal infusion of aspartate on nitrogen balance and plasma amino acids in Holstein steers. Reproduction Nutrition Development 38:309-313.

Campbell, C.G., E.C. Titgemeyer, and G. St-Jean. 1997. Sulfur amino acid utilization by growing steers. Journal of Animal Science 75:230-238.

Koster, H.H., R.C. Cochran, E.C.Titgemeyer, E.S. Vanzant, T.G. Nagaraja, K.K. Kreikemeier, and G. St. Jean. 1997. Effect of increasing proportion of supplemental N from urea on intake and utilization of low-quality, tall grass-prairie forage by beef steers. Journal of Animal Science 75:1393-1399.

Titgemeyer, E.C., and J.E. Shirley. 1997. Effect of processed grain sorghum and expeller soybean meal on performance of lactating cows. Journal of Dairy Science 80:714-721.

Wessels, R.H., and E.C. Titgemeyer, and G. St-Jean. 1997. Effect of amino acid supplementation on whole body protein turnover in Holstein steers. Journal of Animal Science 75:3066-3073.

Wessels, R.H., and E.C. Titgemeyer. 1997. Protein requirements of growing steers limit fed corn-based diets. Journal of Animal Science 75:3278-3286.

Campbell, C.G., E.C. Titgemeyer, and G. St-Jean. 1996. Efficiency of D-vs L-methionine utilization by growing steers. Journal of Animal Science 74:2482-2487.

Koster, H.H., R.C. Cochran, E.C. Titgemeyer, E.S. Vanzant, I. Abdelgadir, and G. St-Jean. 1996. Effect of increasing degradable intake protein on intake and digestion of low quality, tallgrass-prairie forage by beef cows. Journal of Animal Science 74:2473-2481.

Titgemeyer, E.C., R.C.Cochran, E.G. Towne, C.K. Armendariz, and K.C. Olson. 1996. Elucidation of factors associated with the maturity-related decline in degradability of big bluestem cell wall. Journal of Animal Science 74:648-657.

ASI Faculty

Faculty

Amamcharla, Jayendra
Aramouni, Fadi
Beyer, R. Scott
Blasi, Dale
Bormann, Jennifer (Minick)
Boyle, Elizabeth A. E.
Bradford, Barry
Breiner, Ryan
Brouk, Mike
Carson, Tim
Davis, Duane L.
DeRouchey, Joel
Douthit, Teresa
Drouillard, James S.
Faris, Brian
Farney, Jaymelynn
Fike, Karol
Fung, Daniel Y. C.
Getty, Kelly
Gonzalez, John
Goodband, Robert D.
Grieger, David
Hancock, Joe D.
Harper, Nigel
Hollis, Larry
Houser, Terry
Hulbert, Lindsey
Jaeger, John
Johnson, Sandy
Kouba, Joann M.
Lee, Charles
Mamedova, Laman
Marsden, James L.
Mendonca, Luis
Moser, Dan W.
Nelssen, Jim L.
Nichols, David A.
Nutsch, Abbey
Odde, Ken
Olson, K C
Phebus, Randall K.
Pope, Ronald V.
Purdue, Brad
Reinhardt, Christopher
Retzlaff, Deanna
Rozell, Timothy
Schaake, Scott L.
Schmidt, Karen A.
Sexten, Andrea
Smith, J. Scott
Stevenson, Jeffrey S.
Titgemeyer, Evan
Tokach, Mike
Unruh, John A.
Waggoner, Justin
Weaber, Bob