Funding for this research was provided by:
the Key Scientific and Technological Transformation and Demonstration Project of Sichuan Province (2016CC0070)
the Agricultural Science and Technology Innovation Program Cooperation and Innovation Mission (CAAS-XTCX2016)
Fundamental Research Funds for Central Non-profit Scientific Institution (Y2017JC26)
the National Key Research and Development Program of China (2016YFD0501204)
Received: 23 February 2019
Accepted: 11 September 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: The experiments followed the current law of animal protection and were approved by the Animal Care and Use Committee of the Sichuan Agricultural University with the ethics approval number of 20170102.
: Not applicable.
: The authors declare that they have no competing interests.