1. Animal Nutrition Institute, Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan Agricultural University, No. 211 Huimin Road, Wenjiang District, Chengdu 611130, China
2. College of Animal Science, Xichang University, No. 24 Xuefu Road, Xichang 615013, China
3. Animal Biotechnology Centre, Sichuan Agricultural University, No. 211 Huimin Road, Wenjiang District, Chengdu 611130, China