**Author details**

Mehluli Moyo, Siyabonga T. Bhiya, Masande Katamzi and Ignatius V. Nsahlai\*

\*Address all correspondence to: nsahlaii@ukzn.ac.za

Animal and Poultry Science, School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, Pietermaritzburg, South Africa
