1 College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China.
2 Shaanxi Beef Cattle Engineering Research Center, Yangling, 712100, Shaanxi, People's Republic of China.
3 College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China. zanlinsen@163.com.
4 National Beef Cattle Improvement Center, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China. zanlinsen@163.com.
5 Modern Cattle Biotechnology and Application of National-Local Engineering Research Center, Yangling, 712100, Shaanxi, People's Republic of China. zanlinsen@163.com.