Coetzee, Beatrix; Douglas-Smit, Nicoleen; Maree, Hans J.; Burger, Johan T.; Pietersen, Gerhard; Kruger, Kerstin(American Society for Microbiology, 2019-04)
Van der Westhuizen, L.; Magwaba, T.; Grobler, J.P; Bindeman, H.; Du Plessis, C.; Van Marle-Koster, Este; Neser, F.W.C.(South African Society for Animal Science, 2019-04-11)