Browsing 1933 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 1, 1933 by Author "Groenewald, J.W."

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Studies in mineral metabolism XXVII. The effect of two different calcium phosphorus ratios upon the growth of calves

Du Toit, P.J.; Malan, A.I.; Groenewald, J.W.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)

Two groups of calves were used. In one the CaO: P₂O₅ ratio of the diet as a whole was kept constant at 1: 14 (the ratio obtaining in milk) while in the other the ratio was kept at 1: 0.3 by the feeding of additional CaCO₃. ...
Studies in native animal husbandry : 6. A note on Ovambo cattle

Groenewald, J.W.; Curson, H.H.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)

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