1. College of Veterinary Medicine, Yangzhou University , Yangzhou, China
2. State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of the Chinese Academy of Agricultural Sciences , Harbin, China
3. Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou, China
4. College of Animal Science and Technology, Yangzhou University , Yangzhou, China
5. Department of Agricultural and Animal Husbandry Engineering, Cangzhou Technical College , Cangzhou, China