Petzer, Inge-Marie; Donkin, Edward Francis; Du Preez, E.; Karzis, Joanne; Van der Schans, Theodorus J.; Watermeyer, Johanna C.; Van Reenen, R.(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2008-06)
Peña, Santiago Jr.; Gummow, Bruce; Parker, Anthony J.; Paris, Damien B.B.P.(College of Veterinary Medicine, University of the Philippines Los Baños, 2022-07)