Funding for this research was provided by:
National Natural Science Foundation of China (No. 42077370)
Natural Science Foundation of Shaanxi Province (No. 2020JM232)
Article History
Accepted: 20 January 2021
First Online: 15 February 2021
Compliance with ethical standards
:
: The authors declare no competing interests.
: All applicable international, national and/or institutional guidelines for the care and use of animals were followed. Animals used in this study were treated and maintained in accordance with the Animal Care Guidelines of Shaanxi Normal University and China Wildlife Conservation Association.
: This research did not involve human subjects, so clinical trial registration is not applicable.
: The authors certify that this manuscript is original unpublished work, has not been published elsewhere and is not under consideration by another journal. All authors have confirmed the manuscript and agree with its submission.