Browsing 1992 Onderstepoort Journal of Veterinary Research, Volume 59, 1992 by UP Author "Horak, Ivan Gerard"
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Browsing 1992 Onderstepoort Journal of Veterinary Research, Volume 59, 1992 by UP Author "Horak, Ivan Gerard"
Now showing items 1-7 of 7
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Horak, Ivan Gerard; Boomker, Jacob Diederik Frederik; Anthonissen, M.; Krecek, R.C.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)A total of 48 springbok, 48 gemsbok, 23 kudus and 6 giraffes were examined for ticks and lice, while 9 Burchell's zebras and 6 Hartmann's mountain zebras were examined only for ticks. Springbok and gemsbok were shot in ...
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Huchzermeyer, Fritz W.; Horak, Ivan Gerard; Putterill, John Fraser; Earle, R.A.; Verwoerd, Daniel Wynand (Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)Aegyptianella botuliformis n. sp. (Rickettsiales: Anaplasmataceae) isolated from helmeted guineafowls Numida meleagris from the Kruger National Park is described. The rickettsia occurs within a membrane-bound vacuole in ...
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Horak, Ivan Gerard; Braack, L.E.O.; Spickett, Arthur M.; Van Niekerk, Andrea; Verwoerd, Daniel Wynand (Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)A supervised veld-burn in the Sclerocarya caffra/Acacia nigrescens Savanna landscape zone in the south-eastern region of the Kruger National Park was carried out during September 1988. The effect of the fire on the free-living ...
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Horak, Ivan Gerard; Boomker, Jacob Diederik Frederik; Visagie, Elize J.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)Lipoptena paradoxa Newstead, 1907 is re-described using scanning electron microscopy and its puparium is described for the first time. The distribution of the fly is restricted to the eastern half of South Africa, generally ...
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Horak, Ivan Gerard; Boomker, Jacob Diederik Frederik; Spickett, Arthur M.; De Vos, Valerius; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)Sets of four kudus were shot and examined for arthropod parasites at approximately monthly intervals from April 1981 to March 1983 in the southern part of the Kruger National Park, eastern Transvaal Lowveld. These animals ...
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Horak, Ivan Gerard; Fourie, L.J.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)Four to 10 Dorper sheep on each of 12 farms in the Cape Province and 3 farms in the Orange Free State were examined for adult ixodid ticks at approximately 2- to 4-weekly intervals over periods varying from 4 to 18 months, ...
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Boomker, Jacob Diederik Frederik; Horak, Ivan Gerard; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)A total of 25 grey rhebuck, Pelea capreolus, and 16 bontebok, Damaliscus dorcas dorcas, were shot for parasite recovery at bi-monthly intervals in the Bontebok National Park, south-western Cape Province, from February ...
Now showing items 1-7 of 7