1. Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, College of Animal Science, Anhui Science and Technology University, Chuzhou 233100, China
2. National Research Center for Wildlife-Borne Diseases, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
3. College of Life Science, University of Chinese Academy of Sciences, Beijing 100101, China
4. College of Agriculture, Ningxia University, Yinchuan 750021, China