Seasonality of immature stages of Ixodes loricatus (Acari: Ixodidae) in the Paraná Delta, Argentina

In this study we analyzed seasonal trends of immature stages of Ixodes loricatus parasitizing Akodon azarae (Sigmodontinae) in a locality of the Paraná Delta, Buenos Aires, Argentina. The data encompassed two consecutive years and the analysis included the control of potential confounders using Gene...

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Autores principales: Colombo, Valeria Carolina, Guglielmone, Alberto, Monje, Lucas Daniel, Nava, Santiago, Beldomenico, Pablo Martín
Formato: Artículo
Lenguaje:Inglés
Publicado: 2018
Materias:
Acceso en línea:https://www.sciencedirect.com/science/article/pii/S1877959X1400154X
http://hdl.handle.net/20.500.12123/3117
https://doi.org/10.1016/j.ttbdis.2014.05.015
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author Colombo, Valeria Carolina
Guglielmone, Alberto
Monje, Lucas Daniel
Nava, Santiago
Beldomenico, Pablo Martín
author_browse Beldomenico, Pablo Martín
Colombo, Valeria Carolina
Guglielmone, Alberto
Monje, Lucas Daniel
Nava, Santiago
author_facet Colombo, Valeria Carolina
Guglielmone, Alberto
Monje, Lucas Daniel
Nava, Santiago
Beldomenico, Pablo Martín
author_sort Colombo, Valeria Carolina
collection INTA Digital
description In this study we analyzed seasonal trends of immature stages of Ixodes loricatus parasitizing Akodon azarae (Sigmodontinae) in a locality of the Paraná Delta, Buenos Aires, Argentina. The data encompassed two consecutive years and the analysis included the control of potential confounders using Generalized Linear Mixed Models (GLMM) with a negative binomial response. Larvae had within-year differences in abundance, but the peak months differed drastically between both sampling years, indicating that there was no consistent seasonal pattern. Regarding nymphs, a seasonal pattern was first apparent, but it vanished completely when potential confounders were considered, strongly suggesting that the association with season was spurious and caused by the confounders. Our results showed that the occurrence of immature I. loricatus in its hosts does not follow a distinct seasonal pattern, and highlight the usefulness of controlling for confounding and statistically assessing consistency between years when establishing tick seasonality.
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spelling INTA31172018-08-17T12:47:24Z Seasonality of immature stages of Ixodes loricatus (Acari: Ixodidae) in the Paraná Delta, Argentina Colombo, Valeria Carolina Guglielmone, Alberto Monje, Lucas Daniel Nava, Santiago Beldomenico, Pablo Martín Ixodes Estacionalidad Etapas de Desarrollo Sigmodontinae Seasonality Developmental Stages Ixodes loricatus Garrapatas Delta del Paraná In this study we analyzed seasonal trends of immature stages of Ixodes loricatus parasitizing Akodon azarae (Sigmodontinae) in a locality of the Paraná Delta, Buenos Aires, Argentina. The data encompassed two consecutive years and the analysis included the control of potential confounders using Generalized Linear Mixed Models (GLMM) with a negative binomial response. Larvae had within-year differences in abundance, but the peak months differed drastically between both sampling years, indicating that there was no consistent seasonal pattern. Regarding nymphs, a seasonal pattern was first apparent, but it vanished completely when potential confounders were considered, strongly suggesting that the association with season was spurious and caused by the confounders. Our results showed that the occurrence of immature I. loricatus in its hosts does not follow a distinct seasonal pattern, and highlight the usefulness of controlling for confounding and statistically assessing consistency between years when establishing tick seasonality. EEA Rafaela Fil: Colombo, Valeria Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Ciencias Veterinarias del Litoral. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. Instituto de Ciencias Veterinarias del Litoral; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - Santa Fe. Instituto de Ciencias Veterinarias del Litoral. Laboratorio de Ecología de Enfermedades; Argentina Fil: Guglielmone, Alberto. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Regional Agropecuaria Rafaela; Argentina Fil: Monje, Lucas Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Ciencias Veterinarias del Litoral. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. Instituto de Ciencias Veterinarias del Litoral; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - Santa Fe. Instituto de Ciencias Veterinarias del Litoral. Laboratorio de Ecología de Enfermedades; Argentina Fil: Nava, Santiago. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Regional Agropecuaria Rafaela; Argentina Fil: Beldomenico, Pablo Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Ciencias Veterinarias del Litoral. Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. Instituto de Ciencias Veterinarias del Litoral; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - Santa Fe. Instituto de Ciencias Veterinarias del Litoral. Laboratorio de Ecología de Enfermedades; Argentina 2018-08-17T12:45:34Z 2018-08-17T12:45:34Z 2014-10 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion https://www.sciencedirect.com/science/article/pii/S1877959X1400154X http://hdl.handle.net/20.500.12123/3117 1877-959X https://doi.org/10.1016/j.ttbdis.2014.05.015 eng info:eu-repo/semantics/restrictedAccess application/pdf Ticks and Tick-borne Diseases 5 (6) : 701-705 (October 2014)
spellingShingle Ixodes
Estacionalidad
Etapas de Desarrollo
Sigmodontinae
Seasonality
Developmental Stages
Ixodes loricatus
Garrapatas
Delta del Paraná
Colombo, Valeria Carolina
Guglielmone, Alberto
Monje, Lucas Daniel
Nava, Santiago
Beldomenico, Pablo Martín
Seasonality of immature stages of Ixodes loricatus (Acari: Ixodidae) in the Paraná Delta, Argentina
title Seasonality of immature stages of Ixodes loricatus (Acari: Ixodidae) in the Paraná Delta, Argentina
title_full Seasonality of immature stages of Ixodes loricatus (Acari: Ixodidae) in the Paraná Delta, Argentina
title_fullStr Seasonality of immature stages of Ixodes loricatus (Acari: Ixodidae) in the Paraná Delta, Argentina
title_full_unstemmed Seasonality of immature stages of Ixodes loricatus (Acari: Ixodidae) in the Paraná Delta, Argentina
title_short Seasonality of immature stages of Ixodes loricatus (Acari: Ixodidae) in the Paraná Delta, Argentina
title_sort seasonality of immature stages of ixodes loricatus acari ixodidae in the parana delta argentina
topic Ixodes
Estacionalidad
Etapas de Desarrollo
Sigmodontinae
Seasonality
Developmental Stages
Ixodes loricatus
Garrapatas
Delta del Paraná
url https://www.sciencedirect.com/science/article/pii/S1877959X1400154X
http://hdl.handle.net/20.500.12123/3117
https://doi.org/10.1016/j.ttbdis.2014.05.015
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