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