1. Department of Avian Infectious Diseases, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Science, Shanghai 200241, China.
2. College of Animal Science and Technology, Shandong Agricultural University, Taian 271018, China.
3. College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China.
4. Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China.