Affiliation: | 1. Nebraska Veterinary Diagnostic Center, School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, 4040 East Campus Loop North 115Q NVDC, Lincoln, NE 68583-0907, USA;2. Department of Population Health & Reproduction, School of Veterinary Medicine, University of California Davis, 1 Shields Avenue, VM3B, Davis, CA 95616, USA;3. US Meat Animal Research Center, USDA Agriculture Research Service, Clay Center, 844 Road 313, Clay Center, NE 68933, USA |