1. Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Changsha, People’s Republic of China
2. University of Chinese Academy of Sciences, Beijing, People’s Republic of China
3. Taoyuan Agro-ecosystem Research Station, Soil Molecular Ecology Section, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, People’s Republic of China
4. Department of Animal Science, North Carolina State University, Raleigh, USA