Animal welfare assessment and auditing. S. E. Curtis*, University of Illinois, Urbana.
Auditing and assessing nutrient management for water quality. A. L. Sutton*, Purdue University, West Lafayette, IN.
Auditing and assessing nutrient management for air quality. N. A. Cole*1, R. W. Todd , B. Auvermann2, and D. B. Parker3, USDA-ARS-CPRL, Bushland, TX, 2Texas Agricultural Experiment Station, Amarillo, West Texas A&M University, Canyon.
Training and certification of animal auditors. A. K. Baysinger*, Farmland Foods, Bruning, NE.
University of Nebraska, Lincoln.
SYMPOSIUM ARPAS Symposium Current and Future On-Farm Auditing & Assessment Chair: Darrell D. Johnson, Burkmann Feeds 205
Analysis of calving ease trait in Canadian Holsteins. A. Sewalem*1,2, F. Miglior1,2, G. Kistemaker2, P. Sullvian2, and B. Doormaal2, 1Agriculture and Agri-Food Cananda, Guelph, Ontario, Canada, 2Canadian Dairy Network, Guelph, Ontario, Canada.
Genetics of grass dry matter intake, energy balance and digestibility in Irish grazing dairy cows. D. P. Berry*, M. O'Donovan, and P. Dillon, Moorepark Dairy Production Research Center, Fermoy, Co. Cork, Ireland.
Principal components approach for estimating heritability of mid-infrared spectrum in bovine milk. H. Soyeurt*1,2, S. Tsuruta3, I. Misztal3, and N. Gengler1,4, 1Gembloux Agricultural University, Gembloux, Belgium, 2FRIA, Brussels, Belgium, University of Georgia, Athens, 4FNRS, Brussels, Belgium.
Associations between body size, body condition score and fertility parameters in pasture-based seasonally calving commercial dairy herds in Australia. T. E. Stirling*1, C. R. Stockdale2, and K. L. Macmillan1, 1The University of Melbourne, Werribee, Victoria, Australia, 2Primary Industries Research Victoria, Kyabram, Victoria, Australia.
Comparison of yield in Holsteins, Jerseys, and reciprocal crosses in the Virginia Tech - Kentucky crossbreeding trial. B. G. Cassell*1, K. M. Olson1, and A. J. McAllister2, 1Virginia Polytechnic Institute and State University, Blacksburg, 2University of Kentucky, Lexington.
Quantitative Trait Loci affecting IgG serum protein levels, birth weight and gestation length in a Holstein x (Holstein x Jersey) backcross population. C. Maltecca*, K. A. Weigel, H. Khatib, and V. R. Schutzkus, University of Wisconsin, Madison.
Stearoyl-CoA desaturase gene polymorphism and milk production traits in Italian Holsteins. N. P. P. Macciotta*1, M. Mele2, G. Pagnacco3, M. Cassandro4, G. Conte2, A. Cappio-Borlino1, and P. L. Secchiari2, 1Dipartimento di Scienze Zootecniche, Università di Sassari, Sassari, Italia, 2Dipartimento di Agronomia e Gestione dell'Agro-Ecosistema, Università di Pisa, Pisa, Italia, 3Dipartimento di Scienze e Tecnologie Veterinarie per la Sicurezza Alimentare, Università di Milano, Milano, Italia, 4Dipartimento di Scienze Animali, Università di Padova, Padova, Italia.
Effect of pregnancy on milk yield of Canadian dairy cattle. S. Loker*1, J. Bohmanova1, F. Miglior2,3, M. Kelly1, and G. Kistemaker3, 1University of Guelph, Guelph, ON, Canada, 2Agriculture and Agri-Food Canada, Sherbrooke, QC, Canada, Canadian Dairy Network, Guelph, ON, Canada.
Breeding and Genetics - Livestock and Poultry Dairy Cattle III Chair: Janice Rumph, Montana State University 206 B