1. Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
2. Animal Science and Technology College, Beijing University of Agriculture, Beijing, P. R China
3. The United Graduate School of Agricultural Sciences, Faculty of Agriculture, Kagoshima University, Kagoshima, Japan
4. State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China