Funding for this research was provided by:
Program for Changjiang Scholars and Innovation Research Teams in China Agricultural University (IRT1191)
breeding project for high-quality mutton sheep varieties (or lines) in Ningxia province (NXNYYZ20150101)
Text and Data Mining valid from 2018-05-11
Received: 8 December 2017
Accepted: 26 April 2018
First Online: 11 May 2018
Ethics approval and consent to participate
: Experimental procedures were approved by the Animal Welfare Committee in the State Key Laboratory for Agro-biotechnology at China Agricultural University (Approval number XK257) and this study was carried out in strict accordance with the guidelines and regulations established by this committee.
: The authors declare that they have no competing interests.
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