1. Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutrition Physiology and Metabolic Processes, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
2. College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
3. College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China
4. School of Biology and Food Engineering, Fuyang Normal University, Fuyang, Anhui, China