- UPSpace Home
- →
- South African National Veterinary Repository
- →
- Browsing South African National Veterinary Repository by UP Author
JavaScript is disabled for your browser. Some features of this site may not work without it.
Browsing South African National Veterinary Repository by UP Author "Braack, L.E.O."
Now showing items 1-19 of 19
-
Braack, L.E.O.; Meiswinkel, R.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)During the culling of elephants (Loxodonta africana) at five sites in the Kruger National Park, South Africa, a total of 682 Culicoides of five species of the subgenus Avaritia were found live either behind the ears of ...
-
Braack, L.E.O.; Horak, Ivan Gerard; Jordaan, Leonora C.; Louw, J.P.; Segerman, Joyce; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)Red veld rats (Aethomys chrysophilus) and bushveld gerbils (Tatera leucogaster) were trapped at monthly intervals, when possible, over a 2-year period, in the southern Kruger National Park, Mpumalanga Province. Forty-six ...
-
Braack, L.E.O.; Retief, P.F.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1986)16 000 Chrysomyia albiceps and 52 000 C. marginalis adults were radioactively labelled with ³²P-orthophosphate and released in the northern Kruger National Park, South Africa. After a 1-week dispersal period 69 baited ...
-
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 ...
-
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 ...
-
Thomson, G.R. (Gavin); Braack, L.E.O.; Doube, B.M.; Gainaru, M.D.; Bengis, Roy G.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1988)In 2 separate experiments the blood-feeding fly Haematobia thirouxi potans (Bezzi) failed to transmit foot and- mouth disease virus when transferred from viraemic (log 2,6 - log 4,3 MLD₅₀ or TCID₅₀/ml) to susceptible ...
-
Braack, L.E.O.; De Vos, Valerius; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1990)Carrion-frequenting blow-flies (Chrysomyia albiceps and C. marginalis) were allowed 4 days of feeding on ³²P-orthophosphate-labelled blood or an Impala carcass (Aepyceros melampus) in the northern Kruger National Park, ...
-
Horak, Ivan Gerard; Braack, L.E.O.; Louw, J.P.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)A total of 380 scrub hares (Lepus saxatilis) from 5 localities, ranging from the north-eastern Transvaal to the eastern and the south-western Cape Province of South Africa, were examined for fleas and lice. Ctenocephalides ...
-
Horak, Ivan Gerard; Braack, L.E.O.; Louw, J.P.; Horak, M. Louise; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)Fleas, lice and mites were collected from 24 and 120 scrub hares at Pafuri and Skukuza, Northern and Eastern Transvaal, respectively, in the Kruger National Park, and from 34 scrub hares in the Hluhluwe region, north-eastern ...
-
Braack, L.E.O.; Grobler, D.G.; Raath, J.P.; Keet, D.F.; Gerdes, Gertruida Hermanna; Barnard, B.J.H.; Kriek, N.P.J.; Jardine, J.; Swanepoel, R.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)A cluster of four deaths in late December 1993, marked the onset of an outbreak of disease of African elephants (Loxodonta africana) in the Kruger National Park (KNP) in South Africa, which has an estimated population ...
-
Horak, Ivan Gerard; Braack, L.E.O.; Boomker, Jacob Diederik Frederik; Gallivan, Gordon J.; De Vos, Valerius; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)Ectoparasites were collected from impalas, Aepyceros melampus, at four localities within the Kruger National Park, namely Skukuza, in the Biyamiti region, Crocodile Bridge and Pafuri. Animals were also examined at Skukuza ...
-
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 ...
-
Horak, Ivan Gerard; Braack, L.E.O.; Penzhorn, Barend Louis; Spickett, Arthur M.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)A total of 264 scrub hares (Lepus saxatilis) were examined for ixodid ticks at various localities in the Kruger National Park, eastern Transvaal Lowveld. Thirteen tick species were recovered from these hares. The seasonal ...
-
Horak, Ivan Gerard; Braack, L.E.O.; Penzhorn, Barend Louis; Spickett, Arthur M.; Bagnall, R.J.; Uys, A.C. (André Charles); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)Ixodid ticks were collected from scrub hares (Lepus saxatilis) at three localities. Nine tick species were recovered from 24 hares examined at Pafuri, Kruger National Park, Northern Transvaal. The most abundant and ...
-
Horak, Ivan Gerard; Braack, L.E.O.; Fourie, L.J.; Walker, Jane B.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute ., 2000)Ixodid ticks were collected from 104 wild carnivores belonging to 23 species in various nature reserves and on several farms in all nine provinces of South Africa. Seven feral cats in a nature reserve were also examined. ...
-
Boomker, Jacob Diederik Frederik; Booyse, Dirk G.; Braack, L.E.O.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)The helminths of 4 suni, Neotragus moschatus, from the Tembe National Elephant Park, KwaZulu, Natal, were collected, counted and identified. Cooperia hungi, a race of Cooperia rotundispiculum, Haemonchus vegliai, Setaria ...
-
Horak, Ivan Gerard; Huchzermeyer, Fritz W.; Braack, L.E.O.; Penzhorn, Barend Louis; Earle, Roy A.; Bennett, Gordon F.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Bloodsmears were taken from separate groups of five helmeted guineafowls, Numida meleagris, shot at approximately monthly intervals at Skukuza and near Lower Sabie in the Kruger National Park during the period August 1988 ...
-
Braack, L.E.O.; De Vos, Valerius; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)Monthly population fluctuations of carrion-frequenting blow-flies over a 24-month period were monitored using 2 carrion-baited traps in the southern Kruger National Park (KNP) and 3 in the northern KNP. All species displayed ...
-
Braack, L.E.O.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Chrysomya megacephala, also known as the Oriental latrine fly, is indigenous to south-east Asia. During the 1970's it successfully invaded Africa and South America, and more recently during the 1980's also established ...
Now showing items 1-19 of 19