Registros parasitológicos en rodent middens del Parque Nacional Perito Moreno, Santa Cruz, Argentina

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Fecha
06/2014
Editorial
Asociación Parasitología Argentina
Revista
Revista Argentina de Parasitología
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2313-9862
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Se comunican los primeros hallazgos parasitológicos en rodent middens en un depósito correspondiente a Lagidium wolffsohni hallado en Santa Cruz, Argentina. Una muestra de los fragmentos del rodent middens obtenidos del alero de una cueva se procesaron por rehidratación en una solución acuosa de fosfatotrisódico y los restos parasitarios se concentraron por flotación y sedimentación espontánea. Se observaron treinta y cinco preparados transitorios bajo el microscopio óptico, registrándose huevos de nematodes perte-necientes a capiláridos (Capillariidae), Trichuris sp. (Trichiuridae), un oxiúrido del género Heteroxynema y un cestode de la subfamilia Anoplocephalinae. Los huevos de capiláridos son similares a los de Calodium hepati-cum. Lagidium wolffsohni es un roedor endémico y raro de modo que resulta importante para su conservación conocer sus parásitos considerando que pueden vulnerar a sus poblaciones.
In this report, the results of the first parasitological examination in rodent middens belonging to Lagidium wolffsohni obtained from a cave in the Santa Cruz Province, Argentina are communicated. A sample of fragments of rodent middens was rehydrated in aqueous trisodium phosphate and parasitic remains concentrated by flotation and spontaneous sedimentation. Thirty five transitory slides were observed under a light microscope. Nematode eggs of family Capillariidae, Trichuris sp. (Trichiuridae), a member of the family Oxiuridae, Heteroxynema genus, and one of the subfamily Anoplocephalinae cestode were identified. Capilarid eggs were similar to those of Calodium hepaticum. Lagidium wolffsohni is a rare endemic rodent, therefore is important for conservation to know their parasites one of the factors that can affect their populations.
In this report, the results of the first parasitological examination in rodent middens belonging to Lagidium wolffsohni obtained from a cave in the Santa Cruz Province, Argentina are communicated. A sample of fragments of rodent middens was rehydrated in aqueous trisodium phosphate and parasitic remains concentrated by flotation and spontaneous sedimentation. Thirty five transitory slides were observed under a light microscope. Nematode eggs of family Capillariidae, Trichuris sp. (Trichiuridae), a member of the family Oxiuridae, Heteroxynema genus, and one of the subfamily Anoplocephalinae cestode were identified. Capilarid eggs were similar to those of Calodium hepaticum. Lagidium wolffsohni is a rare endemic rodent, therefore is important for conservation to know their parasites one of the factors that can affect their populations.
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