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Rev. bras. parasitol. vet ; 19(4): 270-272, Oct.-Dec. 2010. tab
Article in English | LILACS | ID: lil-604687

ABSTRACT

It was evaluated the anthelmintic activity of Agave sisalana (sisal) juice against gastrointestinal nematodes and its potential toxic effects in goats. In vitro tests showed more than 95 percent reduction in larval counts of the genus Haemonchus spp. at concentrations between 86.5 and 146.3 mg.mL-1. In vivo the percent reduction of larvae of the fourth (L4) and fifth (L5) stages of Haemonchus, Oesophagostomum and Trichostrongylus was less than 95 percent in groups GI and GII, and between 80 and 90 percent in group GIII. A. sisalana juice at the concentrations tested in vitro was effective against gastrointestinal nematodes in goats; however, its anthelmintic efficacy was reduced when administered to animals.


Foi avaliada a atividade anti-helmíntica do suco de Agave sisalana (sisal) contra nematódeos gastrintestinais e possíveis efeitos tóxicos em caprinos. Nos testes in vitro, encontrou-se redução superior a 95 por cento na contagem de larvas do gênero Haemonchus spp. nas concentrações entre 86,5 e 146,3 mg.mL-1. In vivo, o percentual de redução de larvas de quarto (L4) e quinto (L5) estágios de Haemonchus, Oesophagostomum e Trichostrongylus foi inferior a 95 por cento para o GI e GII, e entre 80 e 90 por cento para o GIII. O suco de A. sisalana nas concentrações testadas in vitro foi efetivo contra nematódeos gastrintestinais de caprinos, apresentando, no entanto, reduzida eficácia anti-helmíntica quando administrado nos animais.


Subject(s)
Animals , Agave , Anthelmintics/pharmacology , Goats/parasitology , Nematoda/drug effects , Plant Preparations/pharmacology , Goat Diseases/drug therapy , Nematoda/isolation & purification , Nematode Infections/drug therapy , Nematode Infections/veterinary , Phytotherapy
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