| Affiliation: | 1. College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, PR China;2. Key Laboratory of Animal Reproduction and Germplasm Enhancement, Universities of Shandong, Qingdao 266109, PR China;3. College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, PR China;4. State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China;5. Shouguang Hongde Farmer Co., Weifang 262700, PR China |
