Funding for this research was provided by:
the Key Research and Development Program of Sichuan Province (2018NZDZX0005)
the Youth Innovation teams of Animal Feed Biotechnology of Sichuan Province (2016TD0028)
Text and Data Mining valid from 2019-07-19
Received: 1 February 2019
Accepted: 22 May 2019
First Online: 19 July 2019
Ethics approval and consent to participate
: The experimental procedures followed the actual law of animal protection that were approved by the Animal Care Advisory Committee of Sichuan Agricultural University (No. 20160709) and were performed in accordance with the National Research Council’s Guide for the Care and Use of Laboratory Animals.
: All authors read and approved the final manuscript.
: The authors declare that they have no competing interests.