Funding for this research was provided by:
National Natural Science Foundation of China (31402034)
Agriculture Research System of China (CARS-37)
Innovation Project of the Chinese Academy of Agricultural Sciences (CAAS-ASTIP-2014-LIHPS-01)
Received: 28 April 2020
Accepted: 13 October 2020
First Online: 23 October 2020
Ethics approval and consent to participate
: The study was performed in accordance with the guidelines for care and use of animals of Animal Ethics Procedures and Guidelines of the People’s Republic of China. The dairy farm owners gave verbal informed consent for collecting milk samples. Considering the noninvasive nature of the sampling procedure, verbal consent was considered enough and approved by the Animal Administration and Ethics Committee of Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Sciences (Permit No. SYXK-2019-0057).
: Not applicable.
: The authors declare that they have no competing interests.