The influence of environmental factors on the external parasites of saithe Pollachius virens (L.)
Rokicki, J.; Strömberg, J.-O. (1995). The influence of environmental factors on the external parasites of saithe Pollachius virens (L.). Acta Ichtyol. Piscat. 25: 81-87
In: Acta Ichthyologica et Piscatoria. Faculty of Food Sciences and Fisheries: Szczecin. ISSN 0137-1592; e-ISSN 1734-1515, meer
The influence of age, length and migration pattern of saithe Pollachius virens in relation to infection with external parasites has been studied in three different areas on the west coast of Sweden. A total of six species of parasites were found. The degree of infection was closely connected to the body length and the migration pattern of the saithe. A high degree of infection with Diclidophora denticulata, Caligus elongatus, Lepeophtheirus pollachius, and Clavella adunca was found at the two deeper stations (76 and 71% resp.) while the fish at shallow stations inside the Gullmar Fiord exhibited very few cases of parasites.
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