Chen, Zujing
Xie, Yueqin
Luo, Junyi
Chen, Ting
Xi, Qianyun
Zhang, Yongliang
Sun, Jiajie http://orcid.org/0000-0003-1992-154X
Article History
Received: 7 November 2019
Accepted: 22 April 2020
First Online: 29 April 2020
Ethics approval and consent to participate
: Verbal consent for collecting milk samples was obtained from the owner of a private farm as part of routine milking. This method is widely used in China and all procedures were conducted under protocols of SCAU-AEC-2010-0416 approved by the ethics committee of South China Agricultural University, China.
: Not applicable.
: The authors declare that they have no competing interests.