Common and rare trout parasites in a small landscape system

SUMMARY Brown trout ( Salmo trutta ) from four lakes within an area of approximately 40 km 2 were found to harbour nine helminth species. Crepidostomum metoecus could be classified as core species, while Crepidostomum farionis had an intermediate position. All the others could be classified as satel...

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Bibliographic Details
Published in:Parasitology
Main Authors: Hartvigsen, R., Halvorsen, O.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1993
Subjects:
Infectious Diseases
Animal Science and Zoology
Parasitology
Four Lakes
Salmo salar
Online Access:http://dx.doi.org/10.1017/s0031182000074874
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0031182000074874
Description
Summary:SUMMARY Brown trout ( Salmo trutta ) from four lakes within an area of approximately 40 km 2 were found to harbour nine helminth species. Crepidostomum metoecus could be classified as core species, while Crepidostomum farionis had an intermediate position. All the others could be classified as satellite species. Salmon ( Salmo salar ) fingerlings were grown to smolts in an earthpond over the summer. The fingerlings became infected with Crepidostomum spp. which may indicate a superior colonization ability in the core species. The results support the ‘rescue effect hypothesis’ rather than the ‘carrying capacity hypothesis’.

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