Text and Data Mining valid from 2019-05-20
Received: 6 February 2019
Accepted: 8 May 2019
First Online: 20 May 2019
Ethics approval and consent to participate
: The experiments were conducted in strict accordance with Guiding Principles for the Experimental Animal Ethics Committee and were approved by the Animal Ethical Committee of Sichuan Agricultural University (#:20171120).
: Not applicable.
: The authors declare that they have no competing interests.