Funding for this research was provided by:
Shanxi Scholarship Council of China (Grant no. 2014-key 5)
Shanxi Sci-technological Collaboration (Grant no. 201603D421006)
Shanxi Talent Introduction and Sanjin Talent Program, Shanxi Provincial Talent Introduction and SXAU (Shanxi Agricultural University) Major Research Achievement Cultivation (Grant no. zdpy 201403/201503)
Chinese Natural Science Foundation (Grant no. 31873002)
Shanxi Key Research and Development Plan (general) Agriculture Project (Grant no. 201703d221020-1)
Received: 7 March 2019
Accepted: 14 June 2019
First Online: 25 June 2019
Ethics approval and consent to participate
: We confirm that this study did not involve relevant clause of the Ethics Committee, and all animal procedures were performed in strict accordance with the recommendations in the Guide for the Care and Use of Laboratory Animals of the National Institute of Health.
: All authors read and approved the final manuscript and consented for publication.
: The authors declare that they have no competing interests.