Funding for this research was provided by:
National Natural Science Foundation of China-Deutsche Forschungsgemeinschaft (31961133031)
national natural science foundation of china (32002172, 31672379)
China Postdoctoral Science Foundation (2020M682217)
shandong provincial natural science foundation (ZR2020QC176, ZR2020QC175)
shandong provincial postdoctoral program for innovative talent
Article History
Received: 7 October 2020
Accepted: 22 September 2021
First Online: 12 October 2021
Declarations
:
: All experimental pigs were maintained according to the guidelines of the experimental animal management of China Agricultural University. The animal management and the experimental protocols complied with the guidelines approved by the Institutional Animal Care and Use Ethics Committee (IACUC) at the China Agricultural University. After the study, the pigs were still living in the original environment.
: Not applicable.
: The authors declare that they have no competing interests.