Funding for this research was provided by:
National Natural Science Foundation of China (31572218)
Received: 21 December 2018
Accepted: 6 July 2019
First Online: 11 July 2019
Ethics approval and consent to participate
: All procedures performed on animals in this study were conducted according to the guidelines of the Association for Assessment and Accreditation of Laboratory Animal Care International (AAALAC). The study protocol was approved by the Institutional Animal Care and Use Committee of the Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, People’s Republic of China.
: Not applicable.
: The authors declare that they have no competing interests.