Struggles for scientists: Communication, integrity, and societal responsibilities. B. R. Baumgardt, West Lafayette, IN.
Calcium homeostasis, acid-base balance, and health status in periparturient Holstein cows fed diets with low cation-anion difference. W. X. Wu1,2, J. X. Liu*1, G. Z. Xu1, and J. A. Ye1, 1Institute of Dairy Sciences, Ministry of Education Key Laboratory of Molecular Animal Nutrition, Zhejiang University, Hangzhou, China, 2College of Animal Science, Guizhou University, Guiyang, China.
Dietary Na:K ratio effect on milk performance and mineral metabolisms in mid-lactation cows during summer. W. Hu* and L. Kung, Jr., University of Delaware, Newark.
Fertilization using potassium chloride decreased the DCAD of timothy hay. M. Oba*1, R. Hohm2, R. McKenzie2, and T. Dow2, 1University of Alberta, Edmonton, AB, Canada, 2Alberta Agriculture and Food, Lethbridge, AB, Canada.
Timothy hay differing in DCAD value affected Ca homeostasis in periparturient dairy cows. M. Oba*1, G. B. Penner1, G. F. Tremblay2, and T. Dow3, 1University of Alberta, Edmonton, AB, Canada, 2Agriculture and Agri-Food Canada, Québec, QC, Canada, 3Alberta Agriculture and Food, Lethbridge, AB, Canada.
Effects of hypocalcemia at calving on intake, behavior and 305 milk production. J. M. Huzzey1, T. F. Duffield2, S. J. LeBlanc , D. M. Veira3, D. M. Weary1, and M. A. G. von Keyserlingk*1, 1University of British Columbia, Vancouver, Canada, University of Guelph, Ontario, Canada, 3Pacific Agri-Food Research Centre, Agassiz, BC, Canada.
Strong ion concentrations in ruminal fluid of lactating dairy cows fed diets varying in fermentibility. C. S. Mooney* and M. S. Allen, Michigan State University, East Lansing.
Feed efficiency of lactating dairy cows is related to dietary energy density. D. P. Casper*1 and D. R. Mertens2, 1Agri-King,
Brake*, E. O. Oviedo-Rondon, P. W. Plumstead, K. E. Brannan, N. Leksrisompong, and J. H. Small, North Carolina State University, Department of Poultry Science, Raleigh.
The effect of flock age and egg storage period on organ development and broiler performance. A. Afsar , O. Elibol1, and J. T. Brake*2, 1Faculty of Agriculture, Department of Animal Science,Ankara University, Ankara, Turkey, North Carolina State University, Department of Poultry Science, Raleigh.
Optimizing brooding temperatures for large high yield broilers. E. O. Oviedo-Rondón*, M. J. Wineland, S. Funderburk, H. Cutchin, and J. H. Small, Department of Poultry Science, North Carolina State University, Raleigh.
Influence of photoperiods and light intensities meeting American and European guidelines on broiler performance. R. J. Lien*, J. B. Hess, and L. M. Stevenson, Auburn University, Auburn, AL.
Ruminant Nutrition Acid:Base Balance/Metabolism - Dairy Chair: William Sanchez, Diamond V Mills, Inc. 217 B
Gene expression in adipose tissue of the dairy cow during late pregnancy and lactation fed control diets or diets with supplemental chromium: integration of gene expression into metabolic models. J. P. McNamara*1, J. M. Sumner1, J. L. Vierck1, and A. Jourdan2, 1Washington State University, Pullman, 2Kemin Industries, Inc., Des Moines, IA.
Evaluation of acute phase reactants and indices of liver function in serum from dairy cows fed different levels of energy prepartum. N. A. Janovick Guretzky*1, H. M. Dann1, M. Bionaz1, E. Trevisi2, G. Bertoni2, and J. K. Drackley1, 1University of Illinois, Urbana, 2Universita Cattolicà del Sacro Cuore, Zootecnica, Piacenza, Italy.
Inc., Fulton, IL, 2USDA-ARS Dairy Forage Research Center, Madison, WI.
The relevance of milk components for the assessment of the energy, protein and structure balance of Holstein Friesian cows. M. Kaske*1,2, S. Seggewiss2, K. Horstmann2, M. Spolders3, and U. Meyer3, 1Physiology Weihenstephan, Technical University Munich, 2Clinic for Cattle, University of Veterinary Medicine Hannover, 3Institute of Animal Nutrition, Federal Agricultural Research Centre Braunschweig.
F a c t o r s a f f e c t i n g m i l k u r e a n i t r o g e n i n d a i r y c a t t l e . J . R a m Í r e z * 1 , D . L e f e b v r e 2 , a n d K . M . W a d e 1 , 1 M c G i l l U n i v e r s i t y ,
Montreal, QC, Canada, 2Valacta, Ste. Anne de Bellevue, QC, Canada.