Institution: | 1. Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA;2. Center for Food Animal Health, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH, USA;3. Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, U.S. Department of Agriculture, Athens, GA, USA |