1. Key Laboratory of Molecular Animal Nutrition, Zhejiang University, Ministry of Education, Hangzhou, Zhejiang 310058, China
2. Institute of Animal Science and Veterinary Medicine, Yantai Academy of Agricultural Sciences, Yantai, Shandong 265500, China
3. College of Animal Science and Technology, Jiangxi Agriculture University, Nanchang, Jiangxi 330045, China
4. Yantai Agricultural and Rural Bureau, Yantai, Shandong 264000, China
5. Department of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Southwest University, Chongqing 402460, China