1. Institute of Veterinary Immunology & Engineering, National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, P. R. China
2. Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious and Zoonoses, Yangzhou, 225009, P. R. China
3. College of Chemistry and Environmental Science, YiLi Normal University, Yining 835000, P.R. China