Browsing South African National Veterinary Repository by Author "Penzhorn, Barend Louis"

Browsing South African National Veterinary Repository by Author "Penzhorn, Barend Louis"

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  • Biography and obituary of Joseph van Heerden 
    Penzhorn, Barend Louis; South African Veterinary Association. Veterinary History Society (2020-03)
    Biography/curriculum vitae and obituary of the veterinarian Dr Joseph van Heerden. The biography includes information about his education and career, scientific contributions and writings, homages and distinctions. The ...
  • Cooperia sp. worm egg and a coccidia oocyst in the faeces of a sheep 
    Penzhorn, Barend Louis; University of Pretoria. Faculty of Veterinary Science. Dept. of Veterinary Tropical Diseases (2009-09-30)
    The worm egg measures about 80-85 by 40-45 in size so that one can obtain an idea of the relative sizes of the two for diagnostic purposes. The preparation is made by the flotation technique of sheep faeces.
  • Descriptions of incisors of known-age Cape mountain zebras, Equus zebra zebra, from the Mountain Zebra National Park 
    Penzhorn, Barend Louis; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    Twelve sets of incisors of Cape mountain zebras, 9 of which were from known-age individuals ranging in age from 11 months to 19 years, from the Mountain Zebra National Park, are described and depicted to illustrate not ...
  • Eimeria stiedae in a rabbit liver 
    Penzhorn, Barend Louis; University of Pretoria. Faculty of Veterinary Science. Dept. of Veterinary Tropical Diseases (2009-09-30)
    The liver is the seat of infection with the Eimeria stiedae parasite in rabbits. The photo show numerous white nodules in a rabbit liver. Each nodule comprises thousands of the various developmental stages of the organism.
  • Light micrographs of Trypanosoma brucei in a stained blood smear 
    Penzhorn, Barend Louis; University of Pretoria. Faculty of Veterinary Science (2008-02-27)
    Trypanosoma brucei is a parasitic protist species and one of the important species which cause nagana or African animal trypanosomosis in human and animals in Africa. There are 3 sub-species of Trypanosoma brucei: T.b.brucei, ...
  • Parasites of domestic and wild animals in South Africa. XXXII. Ixodid ticks on scrub hares in the Transvaal 
    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 ...
  • Parasites of domestic and wild animals in South Africa. XXXIII. Ixodid ticks on scrub hares in the north-eastern regions of Northern and Eastern Transvaal and of KwaZulu-Natal 
    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 ...
  • The prevalence of blood parasites in helmeted guineafowls, Numida meleagris, in the Kruger National Park 
    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 ...