1. Department of Avian Infectious DiseasesShanghai Veterinary Research Institute, Chinese Academy of Agricultural Science Shanghai China
2. College of Animal Science and TechnologyJilin Agricultural University Changchun China
3. College of Animal Science and TechnologyAnhui Agricultural University Hefei China
4. Jiangsu Co‐innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses Yangzhou China