Ileal amino acid digestibility of protein feed ingredients at 5 and 21 days of age by broiler chickens. J. M. Rynsburger*1, D Hoehler2, and H. L. Classen1, 1University of Saskatchewan, Saskatoon, SK, Canada, 2Degussa Corporation, Kennesaw, GA.
Effects of a reduction of dietary crude protein on performance and economics in commercial Ross 708 broilers. E. A. Guaiume*1, J. D. Firman1, D. Hoehler2, P. B. Tillman3, D. Burnham4, J. Parcell1, L. B. Linares1, and A. Kamyab1, University of Missouri, Columbia, 2Degussa Corporation, Kennesaw, GA, 3Ajinomoto Heartland LLC, Chicago, IL, Aviagen Inc., Huntsville, AL.
Effects of dietary protein concentration and age on gut morphology, crude mucin, and sialic acid contents of ileal digesta of turkey poults. S. A. Adedokun*, D. M. Karcher, and T. J. Applegate, Purdue University, West Lafayette, IN.
Protein and amino acid retention in growing White Pekin ducks receiving graded levels of dietary crude protein. N. L. Horn* and O. Adeola, Purdue University, West Lafayette, IN.
Effect of strain and immune status on dietary lysine requirements in broilers as determined by indicator amino acid oxidation. R. D. Kirschenman* and D. R. Korver, University of Alberta, Edmonton AB, Canada.
Dietary protein quality and feed restriction influence abundance of PepT1 mRNA in the small intestine of two lines of broilers. E. Gilbert*1, H. Li1, D. Emmerson2, K. Webb, Jr.1, and E. Wong1, 1Virginia Polytechnic Institute and State University, Blacksburg, 2Aviagen®, Huntsville, AL.
Cysteine toxicity in chicks. R. N. Dilger* and D. H. Baker, University of Illinois, Urbana.
Digestibility and availability of the creatine source guanidino acetic acid in broilers. A. Lemme*1, J. Tossenberger2, and J. Ringel1, 1Degussa GmbH - Feed Additives, Hanau, Germany, 2University of Kaposvár, Kaposvár, Hungary.
Effect of amino acid formulation and synthetic amino acid supplementation on turkey tom performance. T. Applegate*1, W. Powers2, and R. Angel3, 1Purdue University, West Lafayette, IN, 2Michigan State University, East Lansing, 3University of Maryland, College Park.
Increased dietary balanced protein levels at varying length of application during the starter period of broilers. A. Lemme*1, M. G. T. Janssen2, P. J. A. Wijtten2, J. K. W. M. Sparla2, and M. S. Redshaw1, 1Degussa GmbH - Feed Additives, Hanau, Germany, 2Provimi B. V., Rotterdam, The Netherlands.
Response of vaccinated starting broilers to the inclusion of NEAA as gelatin to high and low CP feed while maintaining EAA requirements. R. Lehman* and E. T. Moran, Auburn University, Auburn, AL.
Evaluation of isoleucine and valine limitation in diets for heavy high-yield broilers. A. Corzo*1, M. T. Kidd1, J. Collier1, W. A. Dozier, III2, and D. Hoehler3, 1Mississippi State University, Mississippi State, 2USDA-ARS, Mississippi State, MS, 3Degussa Corporation, Kennesaw, GA.
Nonruminant Nutrition Poultry Nutrition - Protein and Amino Acids Chair: Randy Mitchell, Perdue Farms 214 C
Dietary selenium regulation of the rat liver and kidney selenoproteomes. K. M. Hargrave*, J. K. Evenson, A. M. Rothert, and R. A. Sunde, University of Wisconsin, Madison.
Copper can be absorbed as a Cu-peptide chelate through the PepT1 transporter in the jejunum of weanling pigs. B. E. Aldridge*, K. L. Saddoris, and J. S. Radcliffe, Purdue University, West Lafayette, IN.
The feeding of low-P diets to weanling pigs stimulates Na+-dependent phosphate transport by a post-translational mechanism in the jejunum. K. L. Saddoris* and J. S. Radcliffe, Purdue University, West Lafayette, IN.
Dietary supplementation with zinc oxide decreases the expression of the stem-cell factor in the small intestine of weanling pigs. D. Y. Ou1, D. F. Li*1, Y. H. Cao1, X. L. Li1, J. D. Yin1, S. Y. Qiao1, and G. Y. Wu2, 1China Agricultural University, Beijing, China, 2Texas A&M University, College Station.
Net portal absorption of inorganic zinc and zinc-amino acid chelates by growing pigs. R. D. Mateo*1, M. I. Perret-Gentil2, M. W. Hart1, R. A. Samford3, and S. W. Kim1, 1Texas Tech University, Lubbock, 2Texas Tech Health Sciences Center, Lubbock, 3Albion Advanced Nutrition, Clearfield, UT.
Nonruminant Nutrition Swine Mineral Nutrition and Metabolism Chair: Olayiwola Adeola, Purdue University 212