Funding for this research was provided by:
Pig Modern Industrial Technology System Grant of Jiangxi Province (JXARS-03)
Received: 23 August 2020
Accepted: 11 January 2021
First Online: 10 March 2021
Ethics approval and consent to participate
: All experimental procedures used in this study were in accordance with the Chinese Guideline for Animal Welfare and approved by the Animal Care and Use Committee of Jiangxi Agricultural University.
: Not applicable.
: The authors declare that they have no conflict of interest.