Quinlan, John; Myburgh, S.J.; De Vos, D.; Du Toit, P.J.(Pretoria : The Government Printer, 1941)
(1) The pH of the vaginal secretion of mature merino ewes, measured during
oestrus, gave a mean value of 6·648, with a range of 5·85 to 7·40. During
mid-dioestrus the mean value was 6·694, with a range of 6·00 to 7·60. ...
Van der Wath, J.G.; Myburgh, S.J.; Du Toit, P.J.(Pretoria : The Government Printer, 1941)
(1) A technique is described for the preservation and counting of ruminal
(2) Reactions of specific infusoria as well as total infusorial populations
to changes in the diet of stable fed sheep were ...