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Browsing Veterinary Science by UP Author "Van Wilpe, Erna"
Now showing items 1-20 of 26
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Botha, C.J. (Christoffel Jacobus); Lessing, Dries; Rosemann, Gertruida Magdalena; Van Wilpe, Erna; Williams, June Heather (Sage, 2014-07-10)Xanthium strumarium, commonly referred to as “cocklebur,” rarely causes poisoning in cattle. When mature, this robust, annual weed bears numerous oval, brownish, spiny burs. Only the seeds in the burs and young seedlings ...
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Van der Lugt, Jaco J.; Bastianello, Stella S.; Van Ederen, Anne Marie; Van Wilpe, Erna (Elsevier, 2009-08)The pathology of maldronksiekte, a sporadic neurological disorder of cattle caused by the ingestion of the plant Solanum kwebense in certain parts of South Africa, was studied in three chronic field cases. There was loss ...
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Williams, June Heather; Mentoor, Juliet Lewie Dionee; Van Wilpe, Erna; Venter, Marietjie (Sage, 2015-01)The pathology in mice infected with neurovirulent South African lineage 2 West Nile virus (WNV) strains has not previously been described. Three- to 4-month-old male BALBc mice were infected with South African neurovirulent ...
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Van Dyk, Enette; Bosman, Anna-Mari; Van Wilpe, Erna; Williams, June Heather; Bengis, Roy G.; Van Heerden, J.; Venter, Estelle Hildegard (South African Veterinary Association, 2011-04)Papillomavirus was detected electron microscopically in cutaneous fibropapillomas of a giraffe (Giraffa camelopardalis) and a sable antelope (Hippotragus niger). The virus particles measured 45 nm in diameter. ...
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Parsons, Nola J.; Gous, Tertius A.; Van Wilpe, Erna; Strauss, Venessa; Vanstreels, Ralph Eric Thijl (Inter-Research, 2015-10-16)Rehabilitation is an important strategy for the conservation of the Endangered African penguin Spheniscus demersus, and disease has been raised as a concern in the management of the species, both in the wild and in ...
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Augustyn, W.A.; Du Plooy, W.; Botha, B.M.; Van Wilpe, Erna (Entomological Society of Southern Africa, 2012-10-17)Mango gall fly (Procontarinia matteiana Kieffer&Cecconi, 1906) is an orchard pest that infests flush leaves of mango, forming wart-like structures on the leaves. Serious outbreaks may result in reduced fruit yield. A ...
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Van Wilpe, Erna; Groenewald, Hermanus B. (Wiley-Blackwell, 2014-01)The morphology of Kupffer cells was examined in the liver of the juvenile Nile crocodile using light microscopy and transmission electron microscopy. Pleomorphic Kupffer cells were located in the sinusoids, in the space ...
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Bester, Elizabeth G.; Kitshoff, Adriaan Mynhardt; Botha, W.J.; Van Wilpe, Erna; Du Plessis, Lizette; Williams, J.H. (June Heather) (Medpharm Publications, 2022)Nemaline myopathy - a clinically and genetically complex heterogenous group of disorders - is described uncommonly in humans and rarely in animals, and is characterised by progressive muscle weakness. The diagnosis is ...
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Holm, Dietmar Erik; Van Wilpe, Erna; Harper, Cindy Kim; Duncan, N.M. (Neil) (South African Veterinary Association, 2008-03)Dermatosparaxis is a heritable collagen dysplasia causing skin extensibility and fragility. In Belgian Blue cattle this mutation has been described as a 3 base pair (bp) change followed by a 17 bp deletion in the gene ...
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Williams, June Heather; Whitehead, Zandri; Van Wilpe, Erna (AOSIS OpenJournals, 2016-09-09)Paraquat is a bipyridylium non-selective contact herbicide commonly used worldwide. When ingestion occurs by humans and animals either accidentally, intentionally or maliciously, paraquat selectively accumulates in the ...
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Williams, June Heather; Van Dyk, Enette; Nel, Petrus Johannes; Lane, Emily P.; Van Wilpe, Erna; Bengis, Roy G.; De Klerk-Lorist, Lin Mari; Van Heerden, J. (South African Veterinary Association, 2011-05)Skin lesions associated with papillomaviruses have been reported in many animal species and man. Bovine papillomavirus (BVP) affects mainly the epidermis, but also the dermis in several species including bovine, the ...
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Williams, June Heather; Van Niekerk, Stephanie; Human, Stacey; Van Wilpe, Erna; Venter, Marietjie (OpenJournals Publishing, 2014-09-10)Since 2007, West Nile virus (WNV) has been reported in South African horses, causing severe neurological signs. All cases were of lineage 2, except for one case that clustered with lineage 1 viruses. In the present study, ...
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Dubey, Jitender P.; Hilali, M.; Van Wilpe, Erna; Verma, Shiv Kumar; Calero-Bernal, Rafael; Abdel-Wahab, A. (Cambridge University Press, 2015-02)Four valid species of Sarcocystis have been reported from the water buffalo (Bubalus bubalis): Sarcocystis fusiformis, Sarcocystis buffalonis, Sarcocystis levinei and Sarcocystis dubeyi. Here, we redescribe structure of ...
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Williams, June Heather; Naidoo, Vinny; Odendaal, Lieza; Van Veenhuysen, A.; De Wit, M.; Van Wilpe, Erna (South African Veterinary Association, 2008-12)Eosinophilic meningoencephalitis (EME) has been described in various species of animals and in humans. In dogs it has been associated with protozoal infections, cuterebral myiasis and various other aetiologies. Ten cases ...
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Dubey, Jitender P.; Hilali, M.; Van Wilpe, Erna; Calero-Bernal, Rafael; Verma, Shiv Kumar; Abbas, I.E. (Cambridge University Press, 2015-10)There is considerable confusion concerning Sarcocystis species in camels. Five species: Sarcocystis cameli, S. ippeni, S. camelicanis, S. camelocanis, and S. miescheri were named with inadequate descriptions and no type ...
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Dubey, Jitender P.; Lane, Emily P.; Van Wilpe, Erna; Suleman, Essa; Reininghaus, Bjorn; Verma, Shiv Kumar; Rosenthal, B.M.; Mtshali, Moses S. (American Society of Parasitologists, 2014-12)Sarcocystis infections have been reported from the African buffalo (Syncerus caffer), but the species have not been named. Here we propose a new name Sarcocystis cafferi from the African buffalo. Histological examination ...
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Dubey, Jitender P.; Van Wilpe, Erna; Calero-Bernal, Rafael; Verma, Shiv Kumar; Fayer, Ronald (Springer, 2015-11)Cattle (Bos taurus) are intermediate hosts for four species of Sarcocystis, S. cruzi, S. hirsuta, S. hominis, and S. rommeli. Of these four species, mature sarcocysts of S. cruzi are thin-walled (< 1μm) whereas S. hirsuta, ...
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Calero-Bernal, Rafael; Verma, Shiv Kumar; Cerqueira-Cezar, Camila K.; Schafer, Laurence M.; Van Wilpe, Erna; Dubey, Jitender P. (Springer, 2015-12)Infection with Sarcocystis is common in many species of wild cervids but none is reported from the black-tailed deer (Odocoileus hemionus columbianus). Here, we report Sarcocystis infection in two black-tailed deer ...
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Calero-Bernal, Rafael; Van Wilpe, Erna; White, Kevin; Verma, Shiv Kumar; Cerqueira-Cezar, Camila K.; Dubey, Jitender P. (Springer, 2015-11)Numerous species of Sarcocystis have been reported from wild ruminants but none has been named from the Rocky Mountain goat (Oreamnos americanus). Mature sarcocysts were found in frozen muscle samples of three of seven ...
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Dubey, Jitender P.; Moré, Gastón; Van Wilpe, Erna; Calero-Bernal, Rafael; Verma, Shiv. K.; Schare, Gereon (Wiley, 2016-01)Cattle (Bos taurus) are intermediate hosts for three named species of Sarcocystis, S. cruzi, S. hirsuta, and S. hominis. Recently, a fourth species was identified and named S. sinensis. However, S. sinensis was originally ...
Now showing items 1-20 of 26