1. State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
2. College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
3. Hubei Hongshan Laboratory, Wuhan, Hubei 430070, China
4. College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan 450002, China
5. College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China