ArticleRevista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria2026
Structure of helminth communities of rodents in three areas of the Atlantic Forest, Paraná state, Brazil.
Article in Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Parasites play a key role in the structure of ecosystems; however, there is still a large gap in the knowledge of the diversity of parasites of wild hosts. The objective of this study was to describe the structure of rodent helminth communities in three municipalities in the state of Paraná, Brazil. A total of 66 infected hosts of seven rodent species were detected as follows (analysed/infected): Akodon montensis (57/33), Akodon paranaensis (16/5), Euryoryzomys russatus (6/4), Mus musculus (42/10), Oligoryzomys nigripes (16/11), Rattus rattus (1/1) and Thaptomys nigrita (2/2). From the phylum Nematoda, we found twenty-six morphotypes, among which thirteen were identified at the species level. We identified three morphotypes of the phylum Platyhelminthes. No significant differences were found between the species richness and total abundance of helminths in relation to the sex or age of the hosts for A. paranaensis, O. nigripes or M. musculus. In A. montensis, young individuals presented a greater abundance than did adults. Here, we report for the first time Syphacia carlitosi and Syphacia evaginata and the genus Pterygodermatites in the rodent O. nigripes. This is also the first report of Heterakis spumosa in A. montensis and A. paranaensis, and the first report of Stilestrongylus eta in M. musculus and E. russatus.
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