1. School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, China
2. Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, China
3. Qingdao Animal Husbandry Workstation (Qingdao Institute of Animal Science and Veterinary Medicine), Qingdao, China
4. Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Key Laboratory of Animal Nutrition and Feed Science in East China, Ministry of Agriculture, The Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, Hangzhou, China