Funding for this research was provided by:
Provincial Agricultural Science and Technology Innovation and Extension Project 2017 (2017lm1112)
Guangdong Agricultural Department Project (2016lm3180)
Received: 25 April 2019
Accepted: 2 October 2019
First Online: 28 October 2019
Ethics approval and consent to participate
: The animal study protocol was approved by the South China Agricultural University Committee of Animal Experiments (approval ID: SYXK-2014-0136). All experiments were performed in accordance with the recommendations of the Guide for the Care and Use of Laboratory Animals of the National Institutes of Health.
: Not applicable
: The authors declare that they have no competing interests.