Funding for this research was provided by:
Natural Science Foundation of Hubei Province (2018CFB363)
Fundamental Research Funds for the Central Universities (2662017QD016)
Received: 21 February 2020
Accepted: 23 September 2020
First Online: 1 October 2020
Ethics approval and consent to participate
: The 7 ear tissues were collected under the approval of the Institute of Agricultural Research and Training of Ibadan in Nigeria, and US Department of Agriculture Agricultural Research Services Institutional Animal Care and Use Committee under the Protocol 16–016. The written informed consent to participate was obtained from the farms of the Institute of Agricultural Research and Training of Ibadan in Nigeria.
: Not applicable.
: All authors declare no potential conflict of interest.