Funding for this research was provided by:
Financial assistance was granted by the Council of the University of Maiduguri through a study fellowship to Ali Waziri. (Not applicable)
Article History
Received: 26 March 2019
Accepted: 9 July 2019
First Online: 20 July 2019
Compliance with ethical standards
:
: The research was approved by the School of Postgraduate Studies Board of the University of Maiduguri, Maiduguri, Nigeria, after meeting institutional, national and international standards for research on animals.
: The authors declare no conflict of interest with respect to data collection and presentation of the contents of the research.