1. College of Veterinary Medicine, Hunan Agricultural University, Changsha, China
2. Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture and Rural Affairs, Nanjing, China
3. Guotai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, Taizhou, China
4. Department of Animal Science and Technology, Huaihua Polytechnic College, Huaihua, China
5. School of Animal Science and Food Engineering, Jinling Institute of Technology, Nanjing, China
6. Discipline of Microbiology, School of Life Sciences, University of Kwazulu-Natal, Durban, South Africa
7. College of Veterinary Medicine, Yangzhou University, Yangzhou, China