Funding for this research was provided by:
National Natural Science Foundation of China (31772701, 31672515, 31472164)
Text and Data Mining valid from 2018-12-01
Received: 13 February 2018
Accepted: 27 November 2018
First Online: 22 December 2018
: All animal tests were approved by the Institutional Animal Care and Use Committee and were conducted following the guidelines of the Institutional Biosafety Committee at the Jiangsu Academy of Agriculture Sciences. The use of CO<sub>2</sub> as a method of euthanasia has been approved by the Ethics Committee. This method is within the AVMA Guidelines for the Euthanasia of Animals and guidelines of the China Council on Animal Care.
: Not applicable.
: The authors declare that they have no competing interests.
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