1. Department of Fundamental Veterinary Medicine College of Animal Science and Veterinary Medicine Shandong Agricultural University Tai'an China
2. Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention Shandong Agricultural University Tai’an China
3. Shandong New Hope Liuhe Group Co., Ltd. Qingdao China
4. Qingdao Jiazhi Biotechnology Co., Ltd. Qingdao China