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Resumen
In Argentina, the cattle tick Rhipicephalus microplus has already developed resistance to organophospates and synthetic pyrethroids. However, no cases of amitraz resistance have ever been recorded in this country despite its heavy use. A recent failure of amitraz to control ticks in a farm located in Santo Tomé, province of Corrientes, resulted in the collection of samples for acaricide resistance diagnosis. The modified Drummond adult immersion test [ver mas...]
dc.contributor.authorCutulle, Christian
dc.contributor.authorLovis, Léonore
dc.contributor.authorD’Agostino, Beatriz Inés
dc.contributor.authorBalbiani, Gabriel
dc.contributor.authorMorici, Gabriel Edgardo
dc.contributor.authorCitroni, Daniel
dc.contributor.authorReggi, Julio
dc.contributor.authorCaracostantogolo, Jorge Luis
dc.date.accessioned2022-01-14T12:12:03Z
dc.date.available2022-01-14T12:12:03Z
dc.date.issued2013-02
dc.identifier.issn0304-4017
dc.identifier.otherhttps://doi.org/10.1016/j.vetpar.2012.10.014
dc.identifier.urihttp://hdl.handle.net/20.500.12123/11123
dc.identifier.urihttps://www.sciencedirect.com/science/article/abs/pii/S0304401712005614
dc.description.abstractIn Argentina, the cattle tick Rhipicephalus microplus has already developed resistance to organophospates and synthetic pyrethroids. However, no cases of amitraz resistance have ever been recorded in this country despite its heavy use. A recent failure of amitraz to control ticks in a farm located in Santo Tomé, province of Corrientes, resulted in the collection of samples for acaricide resistance diagnosis. The modified Drummond adult immersion test (AIT) and the larval tarsal test (LTT) were performed separately in Argentina and Switzerland to evaluate efficacy of amitraz and other acaricides. The AIT showed that oviposition in the Santo Tomé field isolate was not inhibited when it was challenged to 250 and 500 ppm amitraz, and 50 ppm deltamethrin. However, oviposition was reduced by 90.6% when this field isolate was challenged to a combination of 400 ppm ethion and 100 ppm cypermethrin. To confirm the results obtained with the AIT, 2 additional tick samples were collected and shipped to Switzerland for resistance diagnosis of amitraz, cypermethrin and flumethrin, using the LTT. With this bioassay, the resistance ratios of the 2 field isolates were 32.5 and 57.0 for amitraz and between 5.9 and 27.2 for the synthetic pyrethroids. Both in vitro bioassays confirmed amitraz and synthetic pyrethroid resistance in the Santo Tomé samples. These results account for the first evidence of amitraz resistance in R. microplus in Argentina.eng
dc.formatapplication/pdfes_AR
dc.language.isoenges_AR
dc.publisherElsevieres_AR
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_AR
dc.sourceVeterinary Parasitology 192 (1-3) : 296-300 (February 2013)es_AR
dc.subjectRhipicephaluses_AR
dc.subjectAmitrazeng
dc.subjectControl de Plagases_AR
dc.subjectPest Controleng
dc.subjectResistencia a los Acaricidases_AR
dc.subjectResistance to Acaricideseng
dc.subjectExperimentación in Vitroes_AR
dc.subjectIn Vitro Experimentationeng
dc.subjectGanado Bovinoes_AR
dc.subjectCattleeng
dc.subjectArgentinaes_AR
dc.subject.otherGarrapatases_AR
dc.subject.otherTickseng
dc.subject.otherRhipicephalus micropluses_AR
dc.subject.otherSanto Tomé, Corrienteses_AR
dc.titleIn vitro diagnosis of the first case of amitraz resistance in Rhipicephalus microplus in Santo Tomé (Corrientes), Argentinaes_AR
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articlees_AR
dc.typeinfo:eu-repo/semantics/publishedVersiones_AR
dc.description.origenInstituto de Patobiologíaes_AR
dc.description.filFil: Cutulle, Christian. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patobiologia; Argentinaes_AR
dc.description.filFil: Lovis, Léonore. of Neuchâtel. Institute of Biology. Laboratory of Parasitology; Suizaes_AR
dc.description.filFil: D’Agostino, Beatriz Inés. Servicio Nacional de Sanidad y Calidad Agroalimentaria (SENASA); Argentinaes_AR
dc.description.filFil: Balbiani, Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patobiologia; Argentinaes_AR
dc.description.filFil: Morici, Gabriel Edgardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patobiología; Argentinaes_AR
dc.description.filFil: Citroni, Daniel. Servicio Nacional de Sanidad y Calidad Agroalimentaria (SENASA); Argentinaes_AR
dc.description.filFil: Reggi, Julio. Novartis Animal Health Argentina; Argentinaes_AR
dc.description.filFil: Caracostantogolo, Jorge Luis. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patobiología; Argentinaes_AR
dc.subtypecientifico


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