1. College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, China
2. Key Laboratory of Animal Biochemistry and Nutrition, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Zhengzhou, Henan Province, China
3. Key Laboratory of Animal Growth and Development, The Education Department of Henan Province, Zhengzhou, Henan Province, China
4. Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
5. State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
6. International Joint Research Center of National Animal Immunology, Henan Agricultural University, Zhengzhou, Henan Province, China