Funding for this research was provided by:
The Special funds for the Guidance of Central Government on local Science and Technology development ((ZY18C07-16)
Received: 18 February 2021
Accepted: 15 March 2021
First Online: 21 March 2021
: The animal experiments in this study were approved by the National Institute of Animal Health Animal Care and Use Committee at Heilongjiang Bayi Agricultural University (Approval Number 2016–015).
: No individual data were included in this study.
: The authors declare that they have no competing interests.