1. College of Life Science, Sichuan University, Chengdu, People's Republic of China
2. Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Chengdu, People's Republic of China
3. Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, Chengdu, People's Republic of China
4. 985 Project Science Innovative Platform for Resource and Environment Protection of Southwestern China, Chengdu, People's Republic of China