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Resumen
The aim of this work was to analyse the spatiotemporal heterogeneity of Rhipicephalus microplus (Canestrini, 1888) (Acari: Ixodidae) resistance to chemical acaricides at intra-farm level under different environmental (favourable and unfavourable areas for tick development) and management (different schemes of acaricides applications) conditions using ivermectin as a model. The in vitro larval immersion test (LIT) was used to determine quantitatively the [ver mas...]
dc.contributor.authorMorel, Nicolas
dc.contributor.authorTorrents, Jorgelina
dc.contributor.authorSarli, Macarena
dc.contributor.authorRossner, Maria Victoria
dc.contributor.authorLifschitz, Adrian Luis
dc.contributor.authorNava, Santiago
dc.date.accessioned2025-01-24T12:43:51Z
dc.date.available2025-01-24T12:43:51Z
dc.date.issued2024-12
dc.identifier.issn1365-2915 (online)
dc.identifier.issn0269-283X (print)
dc.identifier.otherhttps://doi.org/10.1111/mve.12783
dc.identifier.urihttp://hdl.handle.net/20.500.12123/21059
dc.identifier.urihttps://resjournals.onlinelibrary.wiley.com/doi/10.1111/mve.12783
dc.description.abstractThe aim of this work was to analyse the spatiotemporal heterogeneity of Rhipicephalus microplus (Canestrini, 1888) (Acari: Ixodidae) resistance to chemical acaricides at intra-farm level under different environmental (favourable and unfavourable areas for tick development) and management (different schemes of acaricides applications) conditions using ivermectin as a model. The in vitro larval immersion test (LIT) was used to determine quantitatively the levels of resistance to ivermectin in the different populations and subpopulations of R. microplus analysed. In the first case study, differences in resistance levels among tick samples within the same paddock across time and among tick samples from different paddocks were recorded. These results stress the importance of taking successive samples so that they represent the spatial and temporal variabilities in the levels of resistance that can occur within the same farm. In a second case study, the evolution of resistance in R. microplus subpopulations subjected to strategic and threshold control methods based on the application of three annual treatments with alternation of chemical groups was compared. No changes in resistance/susceptibility status were observed in both tick subpopulations. These results show that the application of a particular drug once a year within a scheme of alternation with other chemical groups could be an appropriate strategy to delay the development of resistance. Data of the third case study showed that environmental constraints is not only a key modulator of R. microplus abundance but could also affect the evolution of resistance in the tick populations. The decreasing trend of LC50 values in the tick subpopulation not exposed to chemical treatments but also in that subpopulation exposed to three annual chemical treatments under unfavourable environmental conditions allow us to hypothesise that environmental constraints can modify the levels of resistance in a tick population because it can constitute a stronger selection factor than the treatments themselves.eng
dc.description.sponsorshipInstituto Nacional de Tecnología Agropecuaria (INTA), Asociación Cooperadora INTA Rafaela y Secretaría de Innovación, Ciencia y Tecnología (Proyectos de Redes Federales de Alto Impacto: REDGARR 100390265)es_AR
dc.formatapplication/pdfes_AR
dc.language.isoenges_AR
dc.publisherRoyal Entomological Societyes_AR
dc.relationinfo:eu-repograntAgreement/INTA/2019-PE-E5-I109-001, Convocatoria: Estudios para el control de enfermedades subtropicales y/o transmitidas por vectores (Tristeza Bovina, Garrapatas, Miasis, Tripanosomiasis, Lengua Azul y laes_AR
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_AR
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/es_AR
dc.sourceMedical and Veterinary Entomology : 1-10 (2024)es_AR
dc.subjectGanado Bovinoes_AR
dc.subjectCattleeng
dc.subjectControl de Enfermedadeses_AR
dc.subjectDisease Controleng
dc.subjectResistencia a Productos Químicoses_AR
dc.subjectResistance to Chemicalseng
dc.subjectGarrapatases_AR
dc.subjectTickseng
dc.titleSpatiotemporal heterogeneity of Rhipicephalus microplus resistance to chemical acaricides at intra-farm level: A case study using ivermectines_AR
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articlees_AR
dc.typeinfo:eu-repo/semantics/publishedVersiones_AR
dc.rights.licenseCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)es_AR
dc.description.origenEEA Rafaelaes_AR
dc.description.filFil: Morel, Nicolas. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea (IdICaL); Argentinaes_AR
dc.description.filFil: Morel, Nicolas. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigación de la Cadena Láctea (IdICaL); Argentinaes_AR
dc.description.filFil: Torrents, Jorgelina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea (IdICaL); Argentinaes_AR
dc.description.filFil: Torrents, Jorgelina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigación de la Cadena Láctea (IdICaL); Argentinaes_AR
dc.description.filFil: Torrents, Jorgelina. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias; Argentinaes_AR
dc.description.filFil: Sarli, Macarena. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea (IdICaL); Argentinaes_AR
dc.description.filFil: Sarli, Macarena. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigación de la Cadena Láctea (IdICaL); Argentinaes_AR
dc.description.filFil: Rossner, Maria Victoria. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Colonia Benitez; Argentinaes_AR
dc.description.filFil: Lifschitz, Adrian. Universidad Nacional del Centro de la Provincia de Buenos Aires (UNCPBA). Facultad de Ciencias Veterinarias; Argentinaes_AR
dc.description.filFil: Lifschitz, Adrian. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Centro de Investigación Veterinaria de Tandil (CIVETAN); Argentinaes_AR
dc.description.filFil: Lifschitz, Adrian. Universidad Nacional del Centro de la Provincia de Buenos Aires (UNCPBA). Centro de Investigación Veterinaria de Tandil (CIVETAN). Laboratorio de Farmacología; Argentinaes_AR
dc.description.filFil: Nava, Santiago. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea (IdICaL); Argentinaes_AR
dc.description.filFil: Nava, Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigación de la Cadena Láctea (IdICaL); Argentinaes_AR
dc.subtypecientifico


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