Funding for this research was provided by:
National Key Research and Development Program of China (2017YFD0500600)
Foundation of Educational Commission of Jiangxi Province (GJJ160399)
Received: 17 June 2019
Accepted: 10 December 2019
First Online: 27 December 2019
Ethics approval and consent to participate
: This study was approved by the Animal Ethics Committee of Jiangxi Agricultural University, Nanchang, China (protocol number P-2013-03). All procedures involving animals in this study were conducted according to the guidelines for the care and use of experimental animals established by the Ministry of Agriculture of China. Intestinal and fecal samples were collected according to the approved procedures.
: Not applicable.
: The authors declare that they have no competing interests.