Institution: | aState Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China;bCollege of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China;cPathology Department, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA;dThe Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei, China |