1. College of Veterinary Medicine, Yangzhou University, Yangzhou, China
2. Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
3. Institute of Comparative Medicine, Yangzhou University, Yangzhou, China
4. Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, China