De Lange, M.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E.(Pretoria : The Government Printer, 1959)
A study is reported of the cytological changes induced in cultures of calf
and lamb kidney cells and lamb testis cells by three distinct groups of viruses
associated with Lumpy Skin Disease. On the basis of the morphological ...
De Lange, M.; De Kock, G.v.d.W.(Published by The Government Printer, Pretoria, 1950)
(1) Twenty-five beef heifers were subjected to delayed breeding up to ages
varying from four years to five years eight months.
(2) Observations on body-weights, age of sexual maturity, the periodicity and
duration of ...
Quinlan, J.; Roux, L.L.; De Lange, M.; Van Aswegen, W.G.; Du Toit, P.J.(Pretoria : The Government Printer, 1948)
1. The effects of a dry ration, high condition, and the restriction of sunlight, and exercise upon sexual activity and reproduction of beef females have been studied.
The observations were conducted on 30 grade (mostly ...
