Funding for this research was provided by:
the Strategic Priority Research Program of the Chinese Academy of Sciences (XDA19050204)
Beijing Innovation onsortium of Agriculture Research System (BAIC04-2019)
State Administration of Forestry and Grassland
Chinese Academy of Sciences (CZBZX1)
Received: 14 December 2020
Accepted: 29 April 2021
First Online: 13 May 2021
: This study was approved by the Animal Ethics Committee of the Institute of Zoology, Chinese Academy of Sciences. All samples were handled in accordance with good animal practices required by the Animal Ethics Procedures and Guidelines of the People’s Republic of China.
: Not applicable.
: The authors declare that they have no competing interests.