Theiler, A.; Du Toit, P.J.; Malan, A.I.; Du Toit, P.J.(Pretoria : The Government Printer, 1937)
1. Young heifers and steers were fed basal rations supplemented
with CaCO₃ and Na₂HPO₄ in such a manner that the intakes of Ca
and P were different in the respective groups. Vitamin D was
present in abundance.
2. The ...
Theiler, A.; Du Toit, P.J.; Malan, A.I.; Du Toit, P.J.(Pretoria : Government Printer, 1937)
Bethke and associates (1933) and Dunlop (1935) conclude that growing pigs require approximately 0 - 6 percent P in their rations and that maximum growth is obtained with a Calcium-phosphorus ratio
between 1:1 and 2:1. ...
