1. College of Veterinary Medicine, Shanxi Agricultural University, Taigu, China
2. Department of Safety Inspection for Animal Products, China Animal Health and Epidemiology Center, Qingdao, China
3. School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan, China
4. Qingdao Institute of Animal Husbandry and Veterinary Medicine, Qingdao, China