Funding for this research was provided by:
Tertiary Education Trust Fund ((FUBK/2016/BATCH4 RP/2).)
Received: 24 June 2019
Accepted: 1 October 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: This study was conducted with the approval of the Animal Ethics Committee of Federal University Birnin Kebbi, Nigeria. The Guide of Care and Use of Animals in Research and Teaching as outlined by the committee was used to manage the animals.
: Not applicable
: The authors declare that they have no competing interests.