1. Department of Pharmacology and Toxicology, College of Veterinary Medicine, Inner Mongolia Agricultural University, Huhhot, People's Republic of China.
2. Department of Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing, People's Republic of China.
3. Inner Mongolia Yili Industrial Group Co. Ltd., Huhhot, People's Republic of China.
4. College of Animal Husbandry, Inner Mongolia Agricultural University, Huhhot, People's Republic of China.