Funding for this research was provided by:
Agricultural Science and Technology Innovation Program (CAAS-ASTIP-2014-LIHPS-01)
National Beef Cattle Industry Technology & System (CARS-37)
National Natural Science Foundation of China (31660636)
The central Public-interest Scientific Institution Basal Research Fund (1610322017003)
Received: 24 February 2020
Accepted: 18 September 2020
First Online: 1 October 2020
Ethics approval and consent to participate
: All procedures involving animals were performed according to the guidelines of the China Council on Animal Care and the Ministry of Agriculture of the People’s Republic of China and approved by the Animal Ethics Committee of Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences.
: Not applicable.
: The authors declare no competing interests.