Yanchun Hu1,2, Yan Wang1, Jianna Wang3, Guodong Yang1, Haili Li1, Guoxia Geng1 and Jianhua Wang1
1Department of Internal Medicine, College of Veterinary Medicine, Northwest A & F University, Yangling 712100, China.
2Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Sichuan Agricultural University, Yaan 625014, China.
3Hospital of Northwest A & F University, Yangling 712100, China.
