1. South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Hunan Research Center of Livestock & Poultry Sciences, Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha, China;
2. Hunan Co-Innovation Center for Utilization of Botanical Functional Ingredients, Changsha, China;
3. Hunan Co-Innovation Center of Animal Production Safety, CICAPS, Changsha, China;
4. Department of Animal Science and Veterinary Medicine, Tibetan Autonomous Prefecture Academy of Agricultural and Animal Husbandry Science, Lhasa, Tibet;
5. Animal Science Department of Agriculture and Animal Husbandry College, Qinghai University, Xining, China