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Rev Bras Parasitol Vet. 2006 Apr-Jun;15(2):45-8.

[In Vitro efficacy of comercial formulations of ixocidides in engorged female of Boophilus microplus collected of dairy cattle at Paraíba Valey in the state of São Paulo].

[Article in Portuguese]

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Agência Paulista de Tecnologia dos Agronegócios, Pólo Regional de Desenvolvimento Tecnológico dos Agronegócios do Vale do Paraíba, Caixa Postal 07, Pindamonhangaba, SP, 12411010, Brasil.


Laboratory trials were realized between the year 2001 at 2004 to evaluate the efficacy of commercial ixodicides against samples of Boophilus microplus collected of dairy bovines in 17 properties of eight cities at Paraíba Valey region, State of São Paulo Brazil. The trials was performed against engorged female using immersion technique. It was evidenced low efficacy of products of the chemical groups synthetic pyrethroid (28.24%) and amitraz (47.19%). The best efficacy was presented by products of the association between synthetic pyrethroid with organophosphorus (88.64%).

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