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. ...