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 ...