Funding for this research was provided by:
Sichuan Province “135” Breeding Tackle Project (2016NYZ0052)
Text and Data Mining valid from 2018-08-23
Received: 5 February 2018
Accepted: 19 June 2018
First Online: 23 August 2018
: The protocol of this study was approved by the Animal Care and Use Committee of Animal Nutrition Institute, Sichuan Agricultural University, and was carried out in accordance with the National Research Council’s Guide for the Care and Use of Laboratory Animals.
: Not applicable.
: The authors declare that they have no competing interests.