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Browsing Paraclinical Sciences by UP Author "Botha, C.J. (Christoffel Jacobus)"
Now showing items 1-20 of 23
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Analytical confirmation of imidacloprid poisoning in granivorous Cape spurfowl (Pternistis capensis) Botha, C.J. (Christoffel Jacobus); Du Plessis, Elizabeth C.; Coetser, Heleen; Rosemann, Magda (AOSIS OpenJournals, 2018-07-09)Reports were received that Cape spurfowl (Pternistis capensis) fell during flight and scrambled uncoordinatedly for cover and some died. Three carcases were submitted for necropsy examination, which revealed mainly ...
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Masango, Mxolisi Goodwill; Ellis, Charlotte E.; Botha, C.J. (Christoffel Jacobus) (Elsevier, 2015-08)Diplodiosis, a neuromycotoxicosis of cattle and sheep grazing on mouldy cobs infected by Stenocarpella maydis, is considered the last major veterinary mycotoxicosis for which the causative mycotoxin is still unknown. The ...
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Confirmed organophosphorus and carbamate pesticide poisonings in South African wildlife (2009–2014) Botha, C.J. (Christoffel Jacobus); Coetser, Heleen; Labuschagne, Leonie; Basson, Andre (AOSIS OpenJournals, 2015-12-09)During a six-year period (from January 2009 to December 2014), specimens collected from 344 cases of suspected organophosphorus and carbamate pesticide poisonings in wildlife, including birds, were submitted to the ...
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Botha, C.J. (Christoffel Jacobus); Mathe, Y.Z. (Zethu); Ferreira, Gezina Catharina Helena; Venter, E.A. (Annette) (MDPI, 2020-07-18)Vermeersiekte or “vomiting disease” is an economically important disease of ruminants following ingestion of Geigeria (G.) species in South Africa. Sheep are more susceptible, and poisoning is characterized by stiffness, ...
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Ibrahim, M.I.A.; Ferreira, Gezina Catharina Helena; Venter, E.A. (Annette); Botha, C.J. (Christoffel Jacobus) (Elsevier, 2023-11-04)Imidacloprid is a systemic neonicotinoid insecticide widely used to combat agricultural pests and flea infestations in dogs and cats. Despite its low toxicity to mammals, imidacloprid is reported to cause male ...
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Ibrahim, Mohammed I.A.; Williams, June Heather; Botha, C.J. (Christoffel Jacobus) (Elsevier, 2021-04)Di-n-butyl phthalate (DBP) is widely used as a plasticizer in personal care and medical products and is known to induce toxicity in the male reproductive organs in both mammals and birds. In this study, there was investigation ...
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Isa, Hamza Ibrahim; Ferreira, Gezina Catharina Helena; Crafford, Jan Ernst; Botha, C.J. (Christoffel Jacobus) (MDPI, 2019-05)Moraea pallida Bak. (yellow tulp) poisoning is the most important cardiac glycoside-induced intoxication in ruminants in South Africa. The toxic principle, 1α, 2α-epoxyscillirosidine, is a bufadienolide. To replace the use ...
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Botha, C.J. (Christoffel Jacobus); Laver, P.N. (Peter); Singo, Alukhethi; Venter, E.A. (Annette); Ferreira, Gezina Catharina Helena; Rosemann, M.; Myburgh, Jan G. (IWA publishing, 2019-05)Cyanobacteria are known for their extensive and highly visible blooms in rivers or dams in Africa. One of the most important cyanobacteria is Microcystis aeruginosa which can synthesise various microcystins that may affect ...
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Isa, Hamza Ibrahim; Ferreira, Gezina Catharina Helena; Crafford, Jan Ernst; Botha, C.J. (Christoffel Jacobus) (Elsevier, 2019-06)Intoxication by Moraea pallida Bak. (yellow tulp) in livestock is of great importance in South Africa, ranking top among all plant-induced cardiac glycoside toxicosis. The toxic principle, a bufadienolide, is 1α, ...
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Botha, C.J. (Christoffel Jacobus); Ackerman, L.G.J. (Louis); Masango, Mxolisi Goodwill; Arnot, L.F. (Luke) (AOSIS OpenJournals, 2020-03-05)Diplodiosis is an important neuromycotoxicosis of ruminants in South Africa when grazing on harvested maize fields in winter. It is believed to be caused by mycotoxin(s) synthesised by Stenocarpella (Diplodia) maydis. ...
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Botha, C.J. (Christoffel Jacobus); Truter, Mariëtte; Jacobs, Adriaana (AOSIS OpenJournals Publishing, 2014-11)Kikuyu poisoning occurs sporadically in South Africa. It is of major economic importance, as valuable dairy cows are often poisoned by it, and once affected, the mortality rate is high. Pennisetum clandestinum samples ...
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Botha, C.J. (Christoffel Jacobus); Clift, Sarah Jane; Ferreira, Gezina Catharina Helena; Masango, Mxolisi Goodwill (AOSIS OpenJournals, 2017-10-31)Geigeria poisoning in sheep, locally known as ‘vermeersiekte’, is an economically important plant poisoning in southern Africa. The toxic principles contained by the toxic plants are believed to be several sesquiterpene ...
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Ibrahim, Mohammed I.A.; Williams, J.H. (June Heather); Botha, C.J. (Christoffel Jacobus) (MDPI, 2022-11)The immunolocalization of the cytoskeletal and the extracellular matrix proteins was investigated in the testicular excurrent duct system of healthy Japanese quail at 4, 6–7, 12 and 52 weeks of age. TdT dUTP Nick End ...
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Henn, Danielle; Venter, Annette; Ferreira, Gezina Catharina Helena; Botha, C.J. (Christoffel Jacobus) (MDPI, 2022-06-30)Carboxylic ionophores, such as monensin, salinomycin and lasalocid, are polyether antibiotics used widely in production animals for the control of coccidiosis, as well as for the promotion of growth and feed efficiency. ...
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Henn, Danielle; Venter, Annette; Botha, C.J. (Christoffel Jacobus) (MDPI, 2019-01)Consumption of bufadienolide-containing plants are responsible for many livestock mortalities annually. Bufadienolides are divided into two groups; non-cumulative bufadienolides and cumulative bufadienolides. Cumulative ...
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Naidoo, Vinny; Wolter, K.; Botha, C.J. (Christoffel Jacobus) (Elsevier, 2017-01)Vulture populations in southern Africa have been on the decline for years, which unlike the Asian vulture crisis, has no one specific cause. Reasons attributable are deliberate and secondary poisonings, drowning, power ...
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Botha, C.J. (Christoffel Jacobus); Truter, Mariëtte; Sulyok, M. (Springer, 2018-05)Aspergillus clavatus poisoning is a neuromycotoxicosis of ruminants that occurs sporadically across the world after ingestion of infected feedstuffs. Although various toxic metabolites are synthesized by the fungus, it is ...
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Botha, C.J. (Christoffel Jacobus); Truter, Mariëtte; Legg, Matthew J.; Sulyok, Michael (AOSIS OpenJournals Publishing, 2014-11)Aspergillus clavatus intoxication is a highly fatal neuromycotoxicosis of ruminants, especially cattle. It is caused by the ingestion of infected sprouting grain and sorghum beer residue. Locomotor disturbances, tremors ...
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Potential health risks posed by plant-derived cumulative neurotoxic Bufadienolides in South Africa Botha, C.J. (Christoffel Jacobus) (MDPI Publishing, 2016-03-16)Bufadienolide-type cardiac glycosides have a worldwide distribution and are mainly synthesized by plants, but there are also animal sources. In South Africa, members of three genera of the Crassulaceae (Cotyledon, Tylecodon ...
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Botha, C.J. (Christoffel Jacobus); Visagie, Cobus M.; Sulyok, M. (Springer, 2019-02)A tremorgenic syndrome occurs in dogs following ingestion of moldy walnuts, and Penicillium crustosum has been implicated as the offending fungus. This is the first report of suspected moldy walnut toxicosis in man. An ...
Now showing items 1-20 of 23