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The relationship between infestation by Mytilicola intestinalis, Steuer (Copepoda, Cyclopoidea) and the condition index of Mytilus edulis in southwest England
Gee, J.M.; Maddock, L.; Davey, J.T. (1977). The relationship between infestation by Mytilicola intestinalis, Steuer (Copepoda, Cyclopoidea) and the condition index of Mytilus edulis in southwest England. J. Cons. - Cons. Int. Explor. Mer 37(3): 300-308
In: Journal du Conseil - Conseil International pour l'Exploration de la Mer. Conseil International pour l'Exploration de la Mer: Copenhague. ISSN 0020-6466, more

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Keywords
    Condition factor; Parasites; Parasitic diseases; Copepoda [WoRMS]; Cyclopoida [WoRMS]; Mytilicola Steuer, 1902 [WoRMS]; Mytilus edulis Linnaeus, 1758 [WoRMS]; Marine; Brackish water

Authors  Top 
  • Gee, J.M.
  • Maddock, L.
  • Davey, J.T.

Abstract
    Seasonal cycles in the condition index of M. Edulis from three sites in southwest England are described. These are analysed in relation to host length, stage of gonad development and parasite burden by linear regression analysis. An effect on the condition index due to the presence of M. Intestinalis can be detected only in the sublittoral mussels in those few winter months when the mean intensity of infestation is over about 25 parasites per host. In all cases studied, the magnitude of the effect due to variation in host length, stage of gonad development, seasonal cycles and environmental factors is greater than that due to parasitism.

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