1. State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.
2. Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, China.
3. Department of Biochemistry and Molecular Biology, University of New Mexico, Health Sciences Center, Albuquerque, New Mexico.
4. Department of Animal Science, Texas A&M University, College Station, Texas.