Effects of dim light at night on milk yield, milk composition and endocrine profile of lactating dairy cows. M. A. Bal*1, G. B. Penner1, M. Oba1, and A. D. Kennedy2, 1University of Alberta, Edmonton, AB, Canada, 2University of Manitoba, Winnipeg, MB, Canada.
Effects of dairy drylot corral management on air emissions. L. M. Nuckles* and F. M. Mitloehner, University of California, Davis.
Characterization and quantification of emissions from dairies. N. M. Marcillac*1, F. M. Schwander1, R. F. Follett1, J. L. Collett2, and N. P. Hanan1, 1Colorado State University, Fort Collins, 2USDA/ARS, Fort Collins, CO.
Effects of waste management techniques to reduce dairy emissions from freestall housing. M. S. Calvo*, K. R. Stackhouse, and F. M. Mitloehner, University of California, Davis.
Nitrogen losses from dairy manure estimated through nitrogen mass balance or using markers. A. N. Hristov*1, S. Zaman1, M. Vander Pol1, P. Ndegwa2, S. Silva3, and C. Kendall2, 1University of Idaho, Moscow, 2Washington State University, Pullman, 3U.S. Geological Survey, Menlo Park, CA.
Comparision of the Intergovernmental Panel on Climate Change (IPCC) system for estimating methane emission from dairy cows. S. K. Nes*, H. Volden, and S. J. Krizsan, Norwegian University of Life Sciences, Ås, Norway.
Prediction of DHI udder health values from bulk tank information. A. J. Young*1 and S. P. Tripp2, 1Utah State University, Logan, 2DHI-Provo Computing Service, Provo, UT.
Variance components of test-day milk, milk components, and somatic cell score useful for management advice. M. Caccamo*1, R. F. Veerkamp2, G. de Jong3, M. H. Pool2, R. Petriglieri1, G. Azzaro1, and G. Licitra1,4, 1CoRFiLaC, Regione Siciliana, Ragusa, Italy, 2Animal Breeding and Genomics Center, ASG, WageningenUR, Lelystad, The Netherlands, 3NRS, Arnhem, The Netherlands, 4D.A.C.P.A. University of Catania, Italy.
Waste milk supply and pasteurizer performance on California dairy farms and calf ranches. M. C. Scott, R. E. James*, and M. L. McGilliard, Virginia Polytechnic Institute and State University, Blacksburg, VA.
Investigating relationship between protein-fat difference and milk yield of Iraninan Holstein dairy cows. B. Saremi*1, J. Ghaseminejad2, and J. Eslami3, 1Education center of Jihad-e Agriculture, Animal Science Department, Khorasan Razavi, Mashhad, Iran, 2Animal Science Department of Agricultural and Natural Resources University of Gorgan, Iran, 3Animal Science Department of Zabol University, Iran.
Best management practices to improve milk quality and udder health in organically-managed dairy herds in Southeastern Pennsylvania. K. E. Griswold*1, H. Karreman2, and J. Mylin3, 1 Pennsylvania State Cooperative Extension, University Park, 2Penn Dutch Cow Care, Gap, PA, 3Lancaster DHIA, Manheim, PA.
Production, Management & the Environment - Livestock and Poultry Dairy Production and Management II Chair: Paul Fricke, University of Wisconsin 214 A
Production, Management & the Environment - Livestock and Poultry Poultry Production, Management and Environment Chair: William B. Roush, USDA ARS Poultry Research Unit 213
Increasing lighting program effects on production characteristics of modern broilers. K. Schwean-Lardner*1, H. L. Classen1, and B. I. Fancher2, 1University of Saskatchewan, Saskatoon, Saskatchewan Canada, 2Aviagen North America, Huntsville, AL.
Does broiler breeder flock age influence embryonic metabolism in different genetic strains? J. A. Hamidu*1, G. M. Fasenko1, E. E. O'Dea1, J. J. R. Feddes1, C. A. Ouellette1, V. L. Christensen2, and M. J. Wineland2, 1University of Alberta, Edmonton, Alberta, Country, 2North Carolina State University, Raleigh.
Effects of in ovo injection of select salt solutions and metabolic compounds on chicken embryo livability and growth. B. M. McGruder*1, E. D. Peebles1, D. A. Braasch1, M. A. Dekich2, P. D. Gerard1, and R. W. Keirs1, 1Mississippi State University, Mississippi State, 2AviTech, LLC, Salisbury, MD.
Partial coefficients of nutrient partitioning of broiler breeders using different feeding strategies during the production phase. L. F. Romero*1, M. J. Zuidhof , A. Naeima1, F. E. Robinson1, and R. A. Renema1, 1University of Alberta, Edmonton, AB, Canada, 2Alberta Agriculture and Food, Edmonton, AB, Canada.