by Avenant, Nico L., Avenant, Nico L., Du Plessis, J. Jurie, Du Plessis, J. Jurie, De Waal, H.O.
Published in African journal of wildlife research (01.09.2015)

by De Waal, H.O
Published in South African journal of animal science (01.01.1995)

by van Harten, S., Almeida, A.M., Morais, Z., Schwalbach, L.M., Greyling, J.P., de Waal, H.O., Cardoso, L.A.
Published in Nutrition research (New York, N.Y.) (2003)

by De Waal, H.O, Koekemoer, G.J. (Orange Free State Univ., Bloemfontein (South Africa). Dept. of Animal Science)
Published in South African journal of animal science (01.12.1997)

by De Waal, H. O, Combrinck, W. J, Fouche, H. J
Published in Acta horticulturae (01.01.2015)

by De Waal, H.O. (Department of Agriculture, Glen (South Africa). Glen Agricultural Development Inst.)
Published in South African journal of animal science (01.12.1994)

by De Waal, H.O. (Free State Department of Agriculture, Glen (South Africa). Glen Agricultural Development Inst.), Randall, J.H, Koekemoer, G.J
Published in South African journal of animal science (01.06.1996)

by Einkamerer, O.B, De Waal, H.O, Combrinck, W.J, Fair, M.D
Published in South African journal of animal science (21.10.2010)

by Waal, H.O. de, Schwalbach, L.M.J, Combrinck, W.J, Shiningavamwe, K.L, Els, J
Published in Acta horticulturae (2013)

by Osthoff, G., De Waal, H.O., Hugo, A., de Wit, M., Botes, P.
Published in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology (01.06.2005)

by De Waal, H.O., Combrinck, W.J., Einkamerer, O.B., Fair, M.D.
Published in South African journal of animal science (01.01.2009)

by De Waal, H.O., Schwalbach, L.M.J., Menezes, C.M.D. da C., Combrinck, W.J., Fair, M.D.
Published in South African journal of animal science (01.01.2010)

by Smith, Y., ., H.O. de Waal, ., O.B. Kok
Published in Pakistan journal of biological sciences (15.05.2006)

by Zeeman, D.C., Combrinck, W.J., De Waal, H.O.
Published in South African journal of animal science (01.01.2006)

by De Waal, H.O., Osthoff, G., Hugo, A., Myburgh, J., Botes, P.
Published in Mammalian biology : Zeitschrift für Säugetierkunde (2004)

by Almeida, A.M, Schwalbach, L.M, Cardoso, L. A, Waal, H.O. de, Greyling, J.P.C
Published in Archivos de zootecnia (2006)

by de Waal, H.O., Combrinck, W.J.
Published in Small ruminant research (01.05.2000)

by Schwalbach, L.M.J., Greyling, J.P.C., Almeida, A.M., Cardoso, L.A., De Waal, H.O.
Published in South African journal of animal science (01.01.2006)

by van Niekerk, H.N, Taljaard, P.R, Grové, B, de Waal, H.O
Year of Publication 2013

by Almeida, A.M, Schwalbach, L.M, de Waal, H.O, Greyling, J.P.C, Cardoso, L.A
Published in Tropical animal health and production (2006)