Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae)
The present study explores associations of different factors (i.e. host parameters, presence of other ectoparasites and [mainly biotic] environmental factors) with burdens of Ixodes loricatus immature stages in one of its main hosts in Argentina, the rodent Akodon azarae. For 2 years, rodents were t...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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2018
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| Online Access: | https://link.springer.com/article/10.1007%2Fs00436-015-4596-7 http://hdl.handle.net/20.500.12123/2914 https://doi.org/10.1007/s00436-015-4596-7 |
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| author | Colombo, Valeria Carolina Nava, Santiago Antoniazzi, Leandro Raúl Monje, Lucas Daniel Racca, Andrea Laura Guglielmone, Alberto Beldomenico, Pablo Martín |
| author_browse | Antoniazzi, Leandro Raúl Beldomenico, Pablo Martín Colombo, Valeria Carolina Guglielmone, Alberto Monje, Lucas Daniel Nava, Santiago Racca, Andrea Laura |
| author_facet | Colombo, Valeria Carolina Nava, Santiago Antoniazzi, Leandro Raúl Monje, Lucas Daniel Racca, Andrea Laura Guglielmone, Alberto Beldomenico, Pablo Martín |
| author_sort | Colombo, Valeria Carolina |
| collection | INTA Digital |
| description | The present study explores associations of different factors (i.e. host parameters, presence of other ectoparasites and [mainly biotic] environmental factors) with burdens of Ixodes loricatus immature stages in one of its main hosts in Argentina, the rodent Akodon azarae. For 2 years, rodents were trapped and sampled monthly at 16 points located in four different sites in the Parana River Delta region. Data were analysed with generalized linear mixed models with a negative binomial response (counts of larvae or nymphs). The independent variables assessed were (a) environmental: trapping year, presence of cattle, type of vegetation, rodent abundance; (b) host parameters: body length, sex, body condition, blood cell counts, natural antibody titers and (c) co-infestation with other ectoparasites. Two-way interaction terms deemed a priori as relevant were also included in the analysis. Most of the associations investigated were found significant, but in general, the direction and magnitude of the associations were context-dependent. An exception was the presence of cattle, which was consistently negatively associated with both larvae and nymphs independently of all other variables considered and had the strongest effect on tick burdens. Mites, fleas and Amblyomma triste were also significantly associated (mostly positively) with larval and nymph burdens, and in many cases, they influenced associations with environmental or host factors. Our findings strongly support that raising cattle may have a substantial impact on the dynamics of I. loricatus and that interactions within the ectoparasite community may be an important—but generally ignored—driver of tick dynamics. |
| format | info:ar-repo/semantics/artículo |
| id | INTA2914 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| record_format | dspace |
| spelling | INTA29142018-07-30T13:50:11Z Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae) Colombo, Valeria Carolina Nava, Santiago Antoniazzi, Leandro Raúl Monje, Lucas Daniel Racca, Andrea Laura Guglielmone, Alberto Beldomenico, Pablo Martín Ixodes Relaciones Huésped Parásito Enfermedades Transmitidas por Garrapatas Roedores Ecología Host Parasite Relations Tickborne Diseases Rodents Ecology Garrapatas Ixodes loricatus Akodon azarae The present study explores associations of different factors (i.e. host parameters, presence of other ectoparasites and [mainly biotic] environmental factors) with burdens of Ixodes loricatus immature stages in one of its main hosts in Argentina, the rodent Akodon azarae. For 2 years, rodents were trapped and sampled monthly at 16 points located in four different sites in the Parana River Delta region. Data were analysed with generalized linear mixed models with a negative binomial response (counts of larvae or nymphs). The independent variables assessed were (a) environmental: trapping year, presence of cattle, type of vegetation, rodent abundance; (b) host parameters: body length, sex, body condition, blood cell counts, natural antibody titers and (c) co-infestation with other ectoparasites. Two-way interaction terms deemed a priori as relevant were also included in the analysis. Most of the associations investigated were found significant, but in general, the direction and magnitude of the associations were context-dependent. An exception was the presence of cattle, which was consistently negatively associated with both larvae and nymphs independently of all other variables considered and had the strongest effect on tick burdens. Mites, fleas and Amblyomma triste were also significantly associated (mostly positively) with larval and nymph burdens, and in many cases, they influenced associations with environmental or host factors. Our findings strongly support that raising cattle may have a substantial impact on the dynamics of I. loricatus and that interactions within the ectoparasite community may be an important—but generally ignored—driver of tick dynamics. 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: Nava, Santiago. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Regional Agropecuaria Rafaela; Argentina. Fil: Antoniazzi, Leandro Raúl. 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: 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: Racca, Andrea Laura. 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: 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 2018-07-30T13:48:37Z 2018-07-30T13:48:37Z 2015-10 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion https://link.springer.com/article/10.1007%2Fs00436-015-4596-7 http://hdl.handle.net/20.500.12123/2914 0932-0113 1432-1955 https://doi.org/10.1007/s00436-015-4596-7 eng info:eu-repo/semantics/restrictedAccess application/pdf Parasitology Research 114 (10) : 3683–3691 (October 2015) |
| spellingShingle | Ixodes Relaciones Huésped Parásito Enfermedades Transmitidas por Garrapatas Roedores Ecología Host Parasite Relations Tickborne Diseases Rodents Ecology Garrapatas Ixodes loricatus Akodon azarae Colombo, Valeria Carolina Nava, Santiago Antoniazzi, Leandro Raúl Monje, Lucas Daniel Racca, Andrea Laura Guglielmone, Alberto Beldomenico, Pablo Martín Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae) |
| title | Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae) |
| title_full | Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae) |
| title_fullStr | Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae) |
| title_full_unstemmed | Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae) |
| title_short | Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae) |
| title_sort | ecology of the interaction between ixodes loricatus acari ixodidae and akodon azarae rodentia criceridae |
| topic | Ixodes Relaciones Huésped Parásito Enfermedades Transmitidas por Garrapatas Roedores Ecología Host Parasite Relations Tickborne Diseases Rodents Ecology Garrapatas Ixodes loricatus Akodon azarae |
| url | https://link.springer.com/article/10.1007%2Fs00436-015-4596-7 http://hdl.handle.net/20.500.12123/2914 https://doi.org/10.1007/s00436-015-4596-7 |
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