Funding for this research was provided by:
National Natural Science Foundation of China (No.3167246 and 31972573)
National Key R&D Program (2017YFD0501901 and 2017YFD0501905)
National Support Program for Youth Top‐notch Talents
Earmarked Fund for the Innovative Teams of Beijing Swine Industrialization Research Program
Text and Data Mining valid from 2020-01-14
Received: 26 June 2019
Accepted: 26 November 2019
First Online: 14 January 2020
Ethics approval and consent to participate
: The experiments were performed accordance with the Guide for the Care and Use of Agricultural Animals in Agricultural Research and Teaching, and all procedures were approved by the Institutional Animal Care and Use Committee at China Agricultural University (Beijing, China).
: Not applicable.
: The authors declare that they have no competing interests.