New frontier in monitoring, early diagnostics and prevention of ketosis in dairy cows. K. L. Ingvartsen*, N. C. Friggens, and T. Larsen, University of Aarhus, Faculty of Agricultural Sciences, Tjele, Denmark.
Neotyphodium coenophialum alters blood metabolites involved in nitrogen, energy, and mineral metabolism in growing steers. K. R. Brown*1, L. R. Harrison2, J. L. Klotz3, J. R. Strickland3, J. A. Boling1, and J. C. Matthews1, 1Department of Animal and Food Sciences, Lexington, KY, 2Livestock Disease Diagnostic Center, Lexington, KY, 3Forage-Animal Production Research Unit, USDA-ARS, University of Kentucky, Lexington, KY.
Changes in lying behavior of lactating dairy cows associated with body condition score and milk yield. J. M. Bewley*1, R. E. Boyce2, L. Munksgaard3, C. Drummond4, J. Hockin4, B. Scott4, and M. M. Schutz1, 1Purdue University, West Lafayette, IN, 2IceRobotics, Ltd., Roslin, Scotland, UK, 3Danish Institute of Agricultural Sciences, Research Centre Foulum, Denmark, 4Barony College, Dumfries, Scotland, UK.
Rectal versus peripheral temperature measurement using radio-frequency implants in steers challenged with lipopolysaccharide during periods of heat stress. E. D. Reid*1, J. M. Velasco1, and G. E. Dahl2, 1University of Illinois, Urbana, 2University of Florida, Gainesville.
Hemodynamics in the caudal artery of yearling steers following removal from toxic tall fescue and placement on non-toxic diets. G. E. Aiken*1 and L. K. McClanahan2, 1USDA-ARS-FAPRU, Lexington, KY, 2University of Kentucky, Lexington.
Response of digital dermatitis to treatment with topical lincomycin or oxytetracycline: comparison of gross visual and histopathological observations one month after treatment. B. Nuccitelli1, S. L. Berry*1, D. H. Read2, R. L. Walker2, and T. R. Famula1, 1University of California, Davis, 2California Animal Health and Food Safety Laboratory, Davis, CA.
Mechanical properties of the solear hoof horn of heifers before and during the first lactation as a prediction of lameness susceptibility. B. Winkler1, J. K. Margerison*2, and C. S. Brennan2, 1University of Plymouth, Plymouth, UK, 2Massey University, Palmerston North, New Zealand.
Effect of sample thickness, tissue moisture content and storage methods on the punch resistance and elastic modulus of the bovine hoof horn. B. Winkler1 and J. K. Margerison*2, 1University of Plymouth, Plymouth, UK, 2Massey University, Palmerston North, New Zealand.
Utilizing neural network analysis in animal behavior studies. W. B. Roush*, USDA-ARS Poultry Research Unit, Mississippi State, MS.
Identification of QTL affecting disposition in Bos indicus influenced cattle. C. A. Gill*, C. R. Boldt, C. A. Abbey, M. A. Wegenhoft, D. K. Lunt, J. E. Sawyer, A. D. Herring, and J. O. Sanders, Texas A&M University, College Station.
Mathematical modeling and analysis of use of space. M. C. Christman*1, C. P. Miller1, and I. Estevez2, 1University of Florida, Gainesville, 2University of Maryland, College Park.
Major pitfalls in animal welfare research. J. J. McGlone*1, L. E. Hulbert1, N. Krebs1, M. A. Sutherland1, and J. W. Dailey2, Texas Tech University, Lubbock, 2USDA Livestock Issues Research Unit, Lubbock, TX.
SYMPOSIUM Animal Behavior & Well-Being - Livestock and Poultry New Methodologies Symposium Chair: Julie Smith, University of Vermont 205
Animal Health - Livestock and Poultry Bovine II Chair: Heather Dann, William H. Miner Agriculture Research Institute 217 C
Breeding and Genetics - Livestock and Poultry Dairy Cattle II Chair: Filippo Miglior, Agriculture and Agri-Food Canada 214 B
Performance and physical conformation of first parity backcross Holstein x Jersey cattle and their Holstein contemporaries. K. A. Weigel*, T. J. Halbach, C. Maltecca, and P. C. Hoffman, University of Wisconsin, Madison.