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Epidemiology and dynamics of shell disease in the edible crab Cancer pagurus: a preliminary study of Langland Bay, Swansea, UK


, : Epidemiology and dynamics of shell disease in the edible crab Cancer pagurus: a preliminary study of Langland Bay, Swansea, UK. Diseases of Aquatic Organisms. January 29; 352: 81-87

The prevalence and severity of shell disease (the progressive degradation of exoskeletal chitin accompanied by melanization of the affected region) was investigated in C. pagurus collected from Langland Bay at monthly intervals from 1997 to 1998. The sample size was 500 crabs. Over 50% of the crabs sampled had 1 or more black-spot lesions. The proportion of exoskeleton affected increased with the size of the crab.

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Powell, A.; Rowley, A.F., 2006: Unchanged prevalence of shell disease in the edible crab Cancer pagurus four years after decommissioning of a sewage outfall at Langland Bay, UK. Shell disease is a bacteria-associated degradative disease of the crustacean exoskeleton that leads to formation of extensive lesions in the cuticle with ultimate involvement of haemocoelic septicaemia. Field surveys of edible crabs Cancer pagurus...

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