Funding for this research was provided by:
National Natural Science Foundation of China (31772686 and 31502025)
Public Service Sectors Agriculture Research Projects of Ministry of Agriculture of China (201403051-07)
Text and Data Mining valid from 2019-09-06
Received: 17 April 2019
Accepted: 30 August 2019
First Online: 6 September 2019
: All efforts were made to minimize suffering of each animal used in this study. All animal procedures conformed to the National Institutes of Health guidelines and were approved by the Institutional Animal Care and Use Committee of China Agricultural University.
: The authors declare that they consent for publication.
: The authors declare that they have no competing interests.