| Institution: | 1. College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, PR China;2. National Beef Cattle Improvement Center of Northwest A&F University, Yangling, Shaanxi 712100, PR China;3. Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, Qinghai 810016, PR China;4. Animal Husbandry and Veterinary Station in Xining City, Xining, Qinghai 810003, PR China;5. Animal Science, School of Agriculture and Environment, Massey University, Private Bag 11222, Palmerston North, New Zealand |
