National Beef Cattle Industry and Technology System, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
Tin Wah Industrial Co.Ltd, Shimen Industrial Area of Lian Yuan 417100,Hunan Province, China;
National Beef Cattle Industry and Technology System, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
National Beef Cattle Industry and Technology System, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
National Beef Cattle Industry and Technology System, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;