Funding for this research was provided by:
National Natural Science Foundation of China (31820103014, 31630078)
Text and Data Mining valid from 2019-01-17
Received: 5 October 2018
Accepted: 10 January 2019
First Online: 17 January 2019
: Permission was obtained from the manager of the study dairy farm before collecting specimens. The research protocol was reviewed and approved by the Ethics Committee of East China University of Science and Technology. The dairy calves were handled in accordance with the Animal Ethics Procedure and Guidelines of the People’s Republic of China.
: Not applicable.
: The authors declare that they have no competing interests.
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