Affiliation: | * Zoetis, Veterinary Medicine Research and Development (VMRD), Global Therapeutic Research, 333 Portage Street, Kalamazoo, MI 49007;† Department of Animal Science, The University of Tennessee, Knoxville 37996;‡ Zoetis, VMRD, Global Therapeutic Research, 405 Poplar Road, Parkville, Victoria 3052, Australia |