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Browsing 1991 Onderstepoort Journal of Veterinary Research, Volume 58, 1991 by Subject "Ticks -- South Africa"
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Horak, Ivan Gerard; Braack, L.E.O.; Spickett, Arthur M.; Van Ark, H.; Verwoerd, Daniel Wynand
(Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute, 1991)
Free-living ticks were collected by means of drag-sampling in 32 of the 35 landscape zones of the Kruger National Park during a period of 1 calendar month. Of the 18 199 specimens collected, 99,53% were larvae, 0,05% nymphs ...
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Horak, Ivan Gerard; Fourie, L.J.; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
One hundred and seventeen scrub hares, Lepus saxatilis, were examined for ixodid ticks in various regions of the Cape Province. They were infested with 18 tick species and the seasonal abundances of the immature stages of ...
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Horak, Ivan Gerard; Fourie, L.J.; Novellie, P.A.; Williams, E.J.; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
Sixteen species of ixodid ticks were collected over varying periods of time from 6 species of ground-frequenting birds and 15 species of small and large mammals in the Mountain Zebra National Park, Karoo, Cape Province. ...
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Horak, Ivan Gerard; Braack, L.E.O.; Spickett, Arthur M.; Williams, E.J.; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
Seventy-six helmeted guineafowls (Numida meleagris) were shot in the Andries Vosloo Kudu Reserve and on an adjacent farm in the eastern Cape Province during the period May 1985 to January
1987 and their tick burdens ...
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Horak, Ivan Gerard; Knight, M.M.; Williams, E.J.; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
Two adult Angora goats were slaughtered each month for 24 consecutive months on a farm in Valley Bushveld in the eastern Cape Province. On the same farm 2 Angora goat kids were slaughtered each month for 2 consecutive years ...
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Rechav, Y.; Kostrzewski, M.W.; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
Adult females of the tick Boophilus decoloratus were removed from 6 breeds of cattle on 2 farms in the Northern Transvaal. Highest numbers of female ticks were collected from Simmentaler, followed by Santa Gertrudis, ...
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Prozesky, Leon; Hart, Alet; Kocan, Katherine M.; Bezuidenhout, J. Dürr; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
Amblyomma hebraeum male and female ticks, experimentally infected as larvae with the Ball 3 stock of Cowdria ruminantium, were fed on a heartwater susceptible sheep. The initial attachment of the males was required as a ...