1. College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, PR China
2. State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, PR China
3. Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture of the People’s Republic of China, Wuhan, Hubei, PR China
4. The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, PR China