1 Key Laboratory of Hunan Province for the Products Quality Regulation of Livestock and Poultry, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
2 Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China.
3 Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, and Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China.
4 Department of Animal Science, University of Manitoba, Winnipeg R3T 2N2, Canada.
5 Department of Animal Science, North Carolina State University, Raleigh 27695, USA.
6 Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-Ecological Processes in Subtropical Region, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410128, China; Yuelushan Laboratory, Changsha 410128, China. Electronic address: yinyulong@isa.ac.cn.
7 Key Laboratory of Hunan Province for the Products Quality Regulation of Livestock and Poultry, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; Yuelushan Laboratory, Changsha 410128, China. Electronic address: jingwang023@hunau.edu.cn.