Browsing 1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989 by Author "Louw, J.P."

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Nematodirus abnormalis (May, 1920) in sheep in the south-western part of the Cape Province

Louw, J.P.; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1989)

Nematodirus abnormalis is a common nematode parasite of sheep on several farms in the Caledon district of the south-western Cape and is the major species of Nematodirus on a farm in the Riviersonderend mountains of this ...
Overberg Research Projects. VI. The biology and control of Oestrus ovis in sheep in the winter rainfall areas of the southern Cape

Louw, J.P.; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1989)

Oestrus ovis was endemic on all the farms included in a survey conducted in the southern Cape, but each farm had its own unique seasonal pattern of infestation. Flock sheep were infested 10-12 months and tracers 5-9 months ...

Now showing items 1-2 of 2

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