Funding for this research was provided by:
sichuan provincial science and technology project (2016NZ0003)
nutreco r&d. project
Received: 30 June 2021
Accepted: 11 October 2021
First Online: 20 October 2021
: The current study protocol was approved by the Animal Care and Use Committee of Sichuan Agricultural University, China..
: Not applicable.
: The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.