1. Department of Clinical Veterinary Medicine, College of Veterinary Medicine Northwest A&F University Yangling Shaanxi China
2. Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine Northwest A&F University Yangling Shaanxi China
3. College of Animal Science and Technology Qingdao Agricultural University Qingdao Shandong China
4. Department of Physiology, School of Medicine, College of Medicine Taipei Medical University Taipei Taiwan
5. Graduate Institute of Medical Sciences, College of Medicine Taipei Medical University Taipei Taiwan
6. Department of Preventive Veterinary Medicine, College of Veterinary Medicine Northwest A&F University Yangling Shaanxi China