Funding for this research was provided by:
UKZN productivity fund (P530)
Article History
Received: 23 April 2019
Accepted: 20 September 2019
First Online: 6 November 2019
Compliance with ethical standards
: The use and care of the experimental animals were ethically proved (Reference No.: AREC/043/017) by the University of KwaZulu-Natal Animal Research Ethics Committee.
: The farmers were provided with a written consent form to participate in the study.
: The authors declare that they have no conflict of interest.