Ngaira, J.M.; Bett, B.; Karanja, S.M.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2002)
Waruiru, R.M.; Weda, E.H.; Otieno, R.O.; Ngotho, J.W.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2002)
Kithuka, J.M.; Maingi, N.; Njeruh, F.M.; Ombui, J.N.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2002)