1. Institute of Veterinary Immunology & Engineering, National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
2. College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
3. GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, Taizhou 225300, China