1. College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China.
2. Grand Theravac Life Sciences (Nanjing) Co., Ltd., Nanjing 210000, China.
3. Jiangsu Argi-animal Husbandry Vocational College, Taizhou 225300, China.
4. Department of Physiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210000, China.