Funding for this research was provided by:
Xianyang Vocational Technical College (2019k02-63)
Article History
Received: 28 June 2020
Accepted: 18 March 2021
First Online: 18 May 2021
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: The collection of clinical samples was approved by the Animal Ethics Committee of Xianyang Vocational Technical College and performed in accordance with animal ethics guidelines and approved protocols.