Please use this identifier to cite or link to this item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/905467
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dc.contributor.authorANDREOTTI, R.por
dc.contributor.authorGUERRERO, F. D.por
dc.contributor.authorSOARES, M. A.por
dc.contributor.authorBARROS, J. C.por
dc.contributor.authorMILLER, R. J.por
dc.contributor.authorPÉREZ DE LEÓN, A.por
dc.contributor.otherRENATO ANDREOTTI E SILVA, CNPGC; Felix David Guerrero, USDA-ARS Knipling-Bushland US Livestock Insects Research Laboratory; Mariana Aparecida Soares, BOLSISTA; JACQUELINE CAVALCANTE BARROS, CNPGC; Robert John Miller, USDA-ARS Cattle Fever Tick Research Laboratory; Adalberto Pérez de Léon, USDA-ARS Knipling-Bushland US Livestock Insects Research Laboratory.por
dc.date.accessioned2011-11-09T11:11:11Zpor
dc.date.accessioned2011-11-09T11:11:11Zpor
dc.date.available2011-11-09T11:11:11Zpor
dc.date.available2011-11-09T11:11:11Zpor
dc.date.created2011-11-09por
dc.date.issued2011por
dc.identifier.other14246por
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/905467por
dc.descriptionThis study was conducted to obtain an epidemiological view of acaricide resistance in populations of Rhipicephalus (Boophilus) microplus in the State of Mato Grosso do Sul. Twenty-four tick samples were collected from municipalities in the State where farmers had reported concerns about resistance to or failure of tick control. These ticks were subjected to in vitro resistance detection assays using the adult immersion test (AIT). The efficacy of alpha-cypermethrin, cypermethrin and amitraz treatments on samples collected throughout the State was generally poor. AIT showed efficacy ≥ 90% from the use of DDVP + chlorfenvinphos) (20 out of 21 municipalities), dichlorvos + cypermethrin (10 out of 16 municipalities) and cypermethrin + citronella + chlorpyrifos + piperonyl butoxide (20 out of 21 municipalities). PCR assays were used to detect the presence of pyrethroid resistance-associated sodium channel gene mutation. Larvae from three different populations that had previously been diagnosed as pyrethroid-resistant, through AIT, were evaluated. The PCR assays showed that the pyrethroid resistance-associated gene mutation was absent from these three populations. This study confirms that the emergence of resistance is a constant challenge for the livestock industry, and that development of resistance continues to be a major driver for new antiparasitic drugs to be developed.por
dc.description.uribitstream/item/45940/1/ACARICIDE-ANDREOTTI-REV-BRAS-PESQ-VET.pdfpor
dc.languagept_BRpor
dc.language.isoporpor
dc.publisherRevista Brasileira de Parasitologia Veterinária, Jaboticabal, v. 20, n. 2, p. 127-133, Apr.-Jun. 2011.por
dc.relation.ispartofEmbrapa Gado de Corte - Artigo em periódico indexado (ALICE)por
dc.rightsopenAccesspor
dc.subjectRhipicephalus (Boophilus) microplus.por
dc.titleAcaricide resistance of Rhipicephalus (Boophilus) microplus in State of Mato Grosso do Sul, Brazil.por
dc.typeArtigo em periódico indexado (ALICE)por
dc.date.updated2014-10-23T11:11:11Zpor
dc.subject.thesagroBovinopor
dc.subject.thesagroCarrapatopor
dc.subject.thesagroSanidade Animal.por
dc.ainfo.id905467por
dc.ainfo.lastupdate2014-10-23por
Appears in Collections:Artigo em periódico indexado (CNPGC)

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