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