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Ciência Animal Brasileira

On-line version ISSN 1809-6891


CASTRO, Luciana Laitano Dias de et al. Origanum vulgare (Lamiaceae) ovicidal potential on castrointestinal nematodes of cattle. Ciênc. anim. bras. [online]. 2013, vol.14, n.4, pp.508-513. ISSN 1809-6891.

Due to anthelmintic resistance in nematodes, several research studies have been developed seeking control alternatives to these parasites. This study evaluated the in vitro action of Origanum vulgare on gastrointestinal nematode eggs of cattle. In order to evaluate the ability to inhibit egg hatch, different dried leaves extracts of this plant were tested, such as dye, hydroalcoholic and aqueous extracts at concentrations varying from 0.62 to 80 mg/mL. Each assay was accompanied by control containing levamisole hydrochloride (0.2 mg/mL), distilled water and 70º GL grain alcohol at the same concentration of the extracts. Test results showed that the different O. vulgare extracts inhibited egg hatch of cattle gastrointestinal nematodes at a percentage that varied from 8.8 to 100%; dye and hydroalcoholic extract were the most promising inhibitors. In view of this ovicidal property, O. vulgare may be an important source of viable antiparasitic compounds for nematodiosis control in ruminants.

Keywords : Haemonchus spp.; in vitro; oregano; phytotherapic.

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