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Browsing 1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989 by Author "Barnard, B.J.H."
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Barnard, B.J.H.; Griessel, M.D.; Van de Pypekamp, H.E.; Verwoerd, Daniel Wynand
(Published by the Government Printer, Pretoria., 1989)
The investigation involved 37 herds of cattle numbering 6 280 animals and 5 groups of blue wildebeest (Connochaetes taurinus), consisting of 30-330 wildebeest per group. All the cases of wildebeest-derived malignant catarrhal ...
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Barnard, B.J.H.; Bengis, Roy G.; Griessel, M.D.; De Vos, Valerius; Verwoerd, Daniel Wynand
(Published by the Government Printer, Pretoria., 1989)
Excretion of alcelaphine herpesvirus-1 (AHV-1) is for all practical purposes limited to wildebeest calves under the age of 4 months. Sixty-one per cent of calves 1-2 months of age excreted virus with a mean titre of 9,8 x ...