1. Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Research Center of Healthy Breeding Livestock and Poultry, Hunan Engineering and Research Center of Animal and Poultry Science, Key Lab Agro-ecology Processing Subtropical Region, Scientific Observational and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan, Peoples Republic of China.
2. College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, Peoples Republic of China.
3. Nutrition Physiology and Ingestive Behavior, UMR914 INRA/AgroParisTech, Paris, France.