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Revista Brasileira de Plantas Medicinais

versão impressa ISSN 1516-0572

Resumo

SILVA, C.F. et al. Evaluation of the effectiveness of "taboa" (Typha domingensis Pers.) and "batata-de-purga" [Operculina hamiltonii (G. Don) D.F. Austin & Staples] in natura on gastrointestinal nematodes of goats, naturally infected, in the semi-arid region. Rev. bras. plantas med. [online]. 2010, vol.12, n.4, pp.466-471. ISSN 1516-0572.  http://dx.doi.org/10.1590/S1516-05722010000400010.

The effectiveness of Typha domingensis ("taboa") and Operculina hamiltonii ("batata-de-purga") in natura was evaluated on gastrointestinal nematodes of goats, naturally infected, in the semi-arid region. Thirty Moxotó goats were used, and the rhizome of "taboa" and the root of "batata-de-purga" were analyzed through phytochemistry. Feces were collected on days zero, seven and 25 after the treatment for FECs. The distribution of animals was completely at random, with five treatments and six replicates. Group I was treated with Moxidectin 0.2% in a single dose of 0.5 mg kg-1; Group II was treated with "taboa" at the dose of 10 g 20 Kg-1 body weight; Group III was treated with "batata-de-purga" at the dose of 9 g 20 Kg-1 b.w.; Group IV was treated with "taboa" at 10 g 20 Kg-1 b.w. associated with "batata-de-purga" at 9 g 20 Kg-1 b.w. during three consecutive days. All treatments were orally administered and Group V was used as control. Treated groups showed a reduction in the average number of FECs at seven and 25 days post-treatment when compared to the control group in the respective period; "batata de purga" had a greater reduction at seven days, while "taboa" showed a more pronounced reduction at 25 days. The highest effectiveness was observed for "batata de purga": 84% and 70% at seven and 25 days post treatment. "Batata-de-purga" was effective in controlling gastrointestinal nematodes of goats in the semi-arid climate and "taboa" associated with "batata de purga" have the potential to be used in alternative programs for parasite control.

Palavras-chave : anthelmintics; goats; in natura; root; rhizome.

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