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Browsing by UP Author "Venter, Gert Johannes"
Now showing items 1-20 of 41
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Goffredo, Maria; Quaglia, Michela; De Ascentis, Matteo; D’Alessio, Silvio Gerardo; Federici, Valentina; Conte, Annamaria; Venter, Gert Johannes (MDPI, 2021-12-02)Culicoides midges (Diptera: Ceratopogonidae), the vectors of economically important arboviruses such as bluetongue virus and African horse sickness virus, are of global importance. In the absence of transovarial transmission, ...
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De Beer, Chantel Janet; Boikanyo, Solomon N.B.; Venter, Gert Johannes; Mans, Ben J. (Barend Johannes) (Wiley, 2021-03)The volume of the blood meal of haematophagous insects will determine the number of infective particles taken up during feeding and may as such denote the minimum dose needed to infect a competent vector. Culicoides midges ...
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De Beer, C.J.; Boikanyo, S.N.B.; Venter, Gert Johannes (Wiley, 2021-06)The optimising and standardisation of in vitro blood feeding protocols for field-collected Culicoides species (Diptera: Ceratopogonidae) will be of essence for the comparison of the vector competencies of various populations ...
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Venter, Gert Johannes; Labuschagne, Karien; Boikanyo, Solomon N.B.; Morey, Liesl (OpenJournals Publishing, 2014-08-08)The use of insect repellents to reduce the attack rate of Culicoides species (Diptera: Ceratopogonidae) should form part of an integrated control programme to combat African horse sickness and other diseases transmitted ...
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Venter, Gert Johannes; Majatladi, Daphney M.; Labuschagne, Karien; Boikanyo, Solomon N.B.; Morey, Liesl (Elsevier, 2012-11-23)Despite some limitations suction lighttraps are the primary tools used for the collection of Culicoides species (Diptera: Ceratopogonidae). The range of attraction of the Onderstepoortlighttrap is not known but an insight ...
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Riddin, Megan A.; Venter, Gert Johannes; Labuschagne, K.; Villet, M.H. (Wiley, 2019-12)An upsurge in African horse sickness (AHS) in the Eastern Cape, South Africa, from 2006 led to an epidemiological reassessment of the disease there. Light trapping surveys carried out near horses, donkeys and zebras in ...
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Venter, Gert Johannes; Sebitsang, S.S.; Swart, V.R.; Boikanyo, S.N.B.; De Beer, C.J. (Wiley, 2022-03)Comparative monitoring of the abundance and distribution of Culicoides biting midges (Diptera: Ceratopogonidae), the biological vectors of the causative agents of several diseases of global veterinary importance, will be ...
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Venter, Gert Johannes; Meiswinkel, R.; Nevill, E.M.; Edwardes, M.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)In 54 light-trap collections made at 28 sites in the Onderstepoort area a total of 178 941 Culicoides midges of 35 species was collected in March 1988; the survey was repeated at 26 sites in September and yielded 19 518 ...
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Venter, Gert Johannes; Labuschagne, Karien; Majatladi, Daphney M.; Boikanyo, Solomon N.B.; Lourens, Carina W.; Ebersohn, Karen; Venter, Estelle Hildegard (AOSIS OpenJournals Publishing, 2014-11-14)In South Africa, outbreaks of African horse sickness (AHS) occur in summer; no cases are reported in winter, from July to September. The AHS virus (AHSV) is transmitted almost exclusively by Culicoides midges (Diptera: ...
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Venter, Gert Johannes; Nevill, E.M.; Edwardes, M.; Pajor, I.T.P.; Meiswinkel, R.; Van Gas, J.H.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1988)A total of 33 564 Culicoides midges was collected in 44 light trap collections made at 22 sites in the Stellenbosch area during November 1986. Of the 23 species present in these collections 8 were frequently encountered ...
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Venter, Gert Johannes (Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, 2015-12-31)The aim of this paper is to consolidate vector competence studies on Culicoides midges (Diptera: Ceratopogonidae) as vectors of Bluetongue virus (BTV) done over a period 25 years at the Agriculture Research Council ‑ ...
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De Beer, Chantel J.; Dicko, Ahmadou H.; Ntshangase, Jerome; Moyaba, Percy; Taioe, Moeti O.; Mulandane, Fernando C.; Neves, L.C.B.G.D. (Luís); Mdluli, Sihle; Guerrini, Laure; Bouyer, Jeremy; Vreysen, Marc J.B.; Venter, Gert Johannes (Public Library of Science, 2021-11-29)BACKGROUND : Glossina austeni and Glossina brevipalpis (Diptera: Glossinidae) are the sole cyclical vectors of African trypanosomes in South Africa, Eswatini and southern Mozambique. These populations represent the ...
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Page, Patrick Collin; Labuschagne, Karien; Nurton, Jane P.; Venter, Gert Johannes; Guthrie, Alan John (Elsevier, 2009-07)The repellent efficacy of 15% N,N-diethyl-3-methylbenzamide (DEET), 0.6% citronella oil, and 0.3% α-cyano-cypermethrin against Culicoides species was compared in three 5 × 5 Latin squares (15 replicates) under South African ...
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Venter, Gert Johannes; Labuschagne, Karien; Boikanyo, Solomon N.B.; Morey, Liesl (OpenJournals Publishing, 2012-11-07)Culicoides midges (Diptera: Ceratopogonidae), are involved in the transmission of various pathogens that cause important diseases of livestock worldwide. The use of insect repellents to reduce the attack rate of these ...
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Page, Patrick Collin; Labuschagne, Karien; Venter, Gert Johannes; Schoeman, Johan P.; Guthrie, Alan John (Elsevier, 2015-05)The efficacy of alphacypermethrin-treated high density polyethylene (HDPE) mesh appliedto jet stalls against Culicoides biting midges (Diptera: Ceratopogonidae) was determined bymechanical aspiration of midges from horses ...
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Venter, Gert Johannes; Boikanyo, Solomon N.B.; De Beer, Chantel J. (Wiley, 2018-12)Culicoides biting midges (Diptera: Ceratopogonidae) are vectors of a range of orbiviruses that cause important veterinary diseases such as bluetongue and African horse sickness. The effective monitoring of Culicoides species ...
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De Beer, Chantel J.; Boikanyo, S.N.B.; Venter, Gert Johannes (Wiley, 2021-09)Risk analysis of pathogens transmitted by Culicoides (Diptera; Ceratopogonidae) depends on the ability to detect all potential vectors attacking livestock in an area. Onderstepoort 220-V ultraviolet (UV) down-draught light ...
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De Beer, Chantel Janet; Moyaba, Percy; Boikanyo, Solomon N.B.; Majatladi, Daphney; Yamada, Hanano; Venter, Gert Johannes; Vreysen, Marc J.B. (Public Library of Science, 2017-03-17)BACKGROUND : Area-wide integrated pest management strategies that include a sterile insect technique component have been successfully used to eradicate tsetse fly populations in the past. To ensure the success of the ...
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Duchemin, Jean‑Bernard; White, John R.; Di Rubbo, Antonio; Shi, Shunin; Venter, Gert Johannes; Holmes, Ian; Walker, Peter J. (Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, 2022)Following the emerging bluetongue virus transmission in European temperate regions, we question the vector competence of the abundant Culicoides austropalpalis Lee and Reye in South‑East temperate Australia. Field collected ...
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Page, Patrick Collin; Labuschagne, Karien; Venter, Gert Johannes; Schoeman, Johan P.; Guthrie, Alan John (Elsevier, 2014-06)The efficacy of untreated and alphacypermethrin-treated high density polyethylene (HDPE) mesh against Culicoides biting midges (Diptera: Ceratopogonidae) was determined using Onderstepoort downdraught black light traps ...
Now showing items 1-20 of 41