Funding for this research was provided by:
Research and Application of Key Technologies for Safe Low Excretion Feed Production in Large-scale Pig Farms (2018NZ0046)
Article History
Received: 13 September 2021
Accepted: 31 October 2021
First Online: 5 November 2021
Declarations
:
: The protocol for the present experiment was approved by the Institutional Animal Care and Use Committee of Southwest University of Science and Technology (SWUST20210263).
: The authors declare no competing interests.