by Van Der Lugt, J J, Nel, P W, Kitching, J P
Published in Onderstepoort journal of veterinary research (01.06.1992)

by Van der Lugt, J J, Markus, M B, Kitching, J P, Daly, T J
Published in Journal of the South African Veterinary Association (01.09.1994)

by Van Der Lugt, J.J, Kitching, J.P
Published in Onderstepoort journal of veterinary research (01.09.1991)

by Kitching, J P, Bishop, G C, Mapham, P H
Published in Journal of the South African Veterinary Association (01.06.1985)

by Van Ryssen, J.B.J, Lishman, A.W, Kitching, J.P
Published in South African journal of animal science (01.03.1990)