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Site selection by intestinal helminths of the Virginia opossum (Didelphis virginiana).
Ellis, R D; Pung, O J; Richardson, D J.
Afiliación
  • Ellis RD; Department of Biology, Georgia Southern University, Statesboro 30460, USA.
J Parasitol ; 85(1): 1-5, 1999 Feb.
Article en En | MEDLINE | ID: mdl-10207354
Digestive tract helminths of the Virginia opossum (Didelphis virginiana) were examined for site specificity and interspecific interactions. Thirty opossums were live-trapped at 2 localities in Georgia, killed, and their digestive tracts removed and divided into the following sections; esophagus, stomach, small intestine (20 equal sections), cecum, and large intestine (5 equal sections). Helminths present in each section were identified and counted. Three trematode, 1 cestode, 2 acanthocephala, and 6 nematode species were found. Two parasites (the acanthocephalan Centrorhynchus spinosus and the nematode Viannaia hamata) are new state records for Georgia and this is the first report of C. spinosus from an opossum. There was considerable overlap between the spatial distributions of many of the helminth species found in the small intestine though most species had different modal locations. Helminth species locations were unaffected by host sex or trapping locality. There was no evidence that the presence, absence, or intensity of any helminth species affected the location or intensity of other helminth species in the digestive tract.
Asunto(s)
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Bases de datos: MEDLINE Asunto principal: Zarigüeyas / Helmintiasis Animal / Helmintos / Parasitosis Intestinales Tipo de estudio: Prevalence_studies / Risk_factors_studies Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: J Parasitol Año: 1999 Tipo del documento: Article País de afiliación: Estados Unidos
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Bases de datos: MEDLINE Asunto principal: Zarigüeyas / Helmintiasis Animal / Helmintos / Parasitosis Intestinales Tipo de estudio: Prevalence_studies / Risk_factors_studies Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: J Parasitol Año: 1999 Tipo del documento: Article País de afiliación: Estados Unidos