1. College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, People’s Republic of China
2. State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
3. Core Laboratories of Qingdao Agricultural University, Qingdao, People’s Republic of China
4. Qingdao Veterinary and Livestock Administration, Qingdao, People’s Republic of China
5. Laiwu Veterinary and Livestock Administration, Laiwu, People’s Republic of China