1. Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
2. Key Laboratory of Feed Biotechnology, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100081, China
3. College of Bioscience and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
4. Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China