Funding for this research was provided by:
National Basic Research Program of China (973 Program) (2017YFD05011702; 2572018AA29)
Text and Data Mining valid from 2020-03-10
Received: 4 September 2019
Accepted: 21 February 2020
First Online: 10 March 2020
Ethics approval and consent to participate
: We declare that all samples from the wild Amur tiger was approved by the local Jilin and Heilongjiang provience government agents. There is no conflict of interest with species conservation guidelines. All experimental designs and animals handling were approved by the Institutional Animal Care and Use Committee of Northeast Forestry University.
: Not applicable.
: The authors declare that they have no competing interests.