1. The State Key Laboratory of Agricultural Microbiology, Wuhan, Hubei 430070, China
2. College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China
3. Key Laboratory of Development of Veterinary Diagnostic Products and of Agriculture and Rural Affairs, Huazhong Agriculture University, Wuhan, Hubei 430070, China
4. Department of Medicine and Infectious Diseases, Faculty of Veterinary Medicine, University of Sadat City, Sadat City 32511, Egypt
5. Key Laboratory of Ruminant Bio-products of Ministry of Agriculture and Rural Affairs, Huazhong Agriculture University, Wuhan, Hubei 430070, China
6. Hubei International Scientific and Technological Cooperation Base of Veterinary Epidemiology, Huazhong Agricultural University, Wuhan, Hubei 430070, China