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The cattle tick Rhipicephalus Boophilus microplus is responsible for high losses in cattle stocking in tropical area, the losses related to parasitism of this agent represents up to 80% of production losses, represented by spoliation, damage to the leather, hematozoa transmission, among others. The problem of increased of resistance to chemical ectoparasiticids has led to the search for new alternatives, among them there is the herbal medicine, in that it is more accessible, less polluting, suspected delay the resistance phenomenon. In this study, it sought to evaluate the efficacy of alcoholic extract of Gallesia integrifolia (garlic's wood) on tick control R. B. microplus . The test was carried out on engorged ticks and on larvae in impregnated papers in vitro . It was found that the hydroalcoholic extract tested at concentrations of 100, 50, 25, 10, 5, 2.5 and 1% was effective on mortality of adult ticks on 100% concentration from about 5% and on larvae, in 10% concentrations. And at 2.5%, the action on the mortality of larvae was considered satisfactory by the official regulatory criteria. These in vitro results are presented favorable regarding the candidacy of G. integrifolia extract for control of R. B. microplus in cattle.

In vitro effect of extract of garlic's wood (Gallesia integrifolia Sprengel) Harms on engorged ticks and larvae of Ripicephalus Boophilus microplus