Funding for this research was provided by:
National Forestry and Grassland Administration (No. 2017115)
Key Laboratory of SFGA on Conservation Biology of Rare Animals in the Giant Panda National Park (KLSFGAGP2020.003)
International Cooperation project of giant panda (GH201709)
Received: 29 April 2020
Accepted: 20 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: All sample collection protocols in this study were approved by the CCRCGP. The experimental procedures were entirely in compliance with the current laws on animal welfare and research in China.
: Not applicable.
: The authors declare that there is no conflict of interest to publish this paper.