Funding for this research was provided by:
National Natural Science Foundation of China (31501984)
Natural science foundation from Jilin province (20170101158JC)
Text and Data Mining valid from 2019-06-11
Received: 19 October 2018
Accepted: 31 May 2019
First Online: 11 June 2019
Ethics approval and consent to participate
: The animals were authorized and obtained from the research farm of the Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences. All animal-specific procedures were approved and authorized by the Chinese Academy of Agricultural Sciences Animal Care and Use Committee, and the Institute of Special Animal and Plant Sciences Wild Animal and Plant Subcommittee.
: Not applicable.
: The authors declare that they have no competing interests.