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Resumen de Infección por helmintos parásitos en salmón coho, Oncorhynchus kisutch, durante su retorno al río Simpson, Chile

Patricio Torres, Eduardo Aedo, Luis Figueroa, Inés Siegmund, Ricardo Silva, Nancy Navarrete, Sonia Puga García, Francisco Marín, Elba Aedo

  • Between may and july 1994, 17 adult returning salmons, Oncorhynchus kisutch, were collected in the River Simpson, Chile. All fishes showed infection by plerocercoids of Diphyllobothrium sp. in different locations: stomach, spleen, liver, mesenteries and gonads. Infection with larval cestodes of an unidentified species of Phillobothriidae was determined in the intestine of seven (41.2%) salmons and its prevalences of infection showed significant differences between female and male salmons. The 94.4% of total plerocercoids of Diphyllobothrium were isolated from the stomach wall. Prevalence and mean intensity of infection by Diphyllobothrium sp. did not show significant difference between fishes of different sex.


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