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Revista Brasileira de Plantas Medicinais

versão impressa ISSN 1516-0572

Resumo

AGNOLIN, C.A. et al. Efficacy of citronella [Cymbopogon nardus (L.) Rendle] oil in the control of bovine ectoparasites. Rev. bras. plantas med. [online]. 2010, vol.12, n.4, pp.482-487. ISSN 1516-0572.  http://dx.doi.org/10.1590/S1516-05722010000400012.

This study aimed to evaluate the in vivo effect of citronella oil on the control of bovine ticks [Rhipicephalus (Boophilus) microplus], horn flies (Haematobia irritans), stable flies (Stomoxys calcitrans) and houseflies (Musca domestica). Fifteen Holstein cows were allocated to three groups of five animals each. The treatments were: negative control, amitraz at 0.025% and citronella oil at 4%. Engorged female ticks and flies were counted before (mean of days -3, -2, -1) and at 7, 14, 21 and 28 days after treatment; blood samples were also collected. Within 28 days, amitraz and the phytotherapic agent had to be reapplied to control tick infestation. The relationship among the number of applications was 1:2.5 for amitraz and citronella oil, respectively. The efficacy of tick control was, on average, 71.8 and 30.9% for amitraz and citronella oil at 4% respectively, post-treatment. Lower control of flies was observed for the phytotherapic group. There was no difference among treatments for blood parameters.

Palavras-chave : acaricide; dairy cattle; phytotherapic agent; essential oil.

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