by Pretorius, P.S
Published in Journal of the South African Veterinary Association (1977)

by Pretorius, P.S
Published in Journal of the South African Veterinary Association (1974)

by Pretorius, P.S
Published in Agroanimalia (1973)

by Pretorius, P.S
Published in S Afr Vet Med Ass J (1972)

by Pretorius, P S
Published in Journal of the South African Veterinary Association (01.09.1973)

by Van Wyk, J.B, Pretorius, P.S
Published in South African journal of animal science (1990)

by Jansen, B.N, Pretorius, P.S
Published in Journal of the South African Veterinary Medical Association (1986)

by Pretorius, P S
Published in Journal of the South African Veterinary Association (01.06.1972)

by Pretorius, P.S, Van der Westhuysen, J.M
Published in Landbouwet S Afr Agric Sci S Afr Agroanim (1971)

by Pretorius, P S
Published in Journal of the South African Veterinary Association (01.03.1972)

by Pretorius, P.S. (University of the Orange Free State, Bloemfontein (South Africa). Faculty of Agriculture), Jansen, B.N
Year of Publication 1988

by Van der Merwe, H.J, Pretorius, P.S, Du Toit, J.E.J
Published in South African journal of animal science (1975)

by Hunter, L, Leeuwner, W. (CSIR, Port Elizabeth (South Africa)), van Wyk, J.B, Pretorius, P.S. (Orange Free State Univ., Bloemfontein (South Africa)), de Wet, P.J, Morris, J. de V. (Stellenbosch Univ., Stellenbosch (South Africa))
Published in Wool Technology and Sheep Breeding (Australia) (01.01.1991)

by Van der Merwe, H.J, Pretorius, P.S, Du Toit, J.E.J
Published in Agroanimalia (1975)