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Control of bovine trypanosomosis by restricted application of insecticides to cattle using footbaths

Bouyer J., Stachurski F., Gouro A.S., Lancelot R.. 2009. Veterinary Parasitology, 161 (3-4) : p. 187-193.

DOI: 10.1016/j.vetpar.2009.01.018

African animal trypanosomoses are the main parasitological constraints to livestock production in many sub-Saharan African countries infested with tsetse flies. A prospective survey was implemented in Dafinso (Burkina Faso) to assess the effect of deltamethrin 0.005% (VectocidND, CEVA Sante´ Animale) impregnation of cattle on trypanosomes transmission in cattle. Two herds were involved in the survey. They were watered at two different waterpoints located on the same river harboring a Guinean riparian forest infested with two different species of tsetse flies (Diptera: Glossinidae), Glossina palpalis gambiensis Vanderplank and G. tachinoides Westwood. Animals belonging to one of the herds were impregnated with deltamethrin applied with a footbath whereas the other herd was used as control. The overall incidence of cattle trypanosomoses was reduced (p = 0.01) from 0.76 (control group) to 0.11 (footbath-treated group). A positive effect of the footbath treatment on packed-cell volume was observed (p < 0.001). The conditions requested to use a footbath to prevent cattle trypanosomoses are discussed.

Mots-clés : bovin; trypanosoma; insecticide; glossina tachinoides; glossina; burkina faso; glossina palpalis gambiensis

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