Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/23160
Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Temperature-dependent morbidity of ‘nicked’ edible crab, Cancer pagurus
Authors: Johnson, Laura
Coates, Christopher
Albalat, Amaya
Todd, Keith
Neil, Douglas M
Contact Email: amaya.albalat@stir.ac.uk
Keywords: Crab nicking
Crustacean fisheries
Haemolymph biochemistry
Phenoloxidase
Innate immunity
Haemocyanin
Issue Date: Mar-2016
Publisher: Elsevier
Citation: Johnson L, Coates C, Albalat A, Todd K & Neil DM (2016) Temperature-dependent morbidity of ‘nicked’ edible crab, Cancer pagurus, Fisheries Research, 175, pp. 127-131.
Abstract: The combined effect(s) of holding temperature and claw immobilisation (nicking) onCancer paguruswere investigated. Creel captured animals (n=48) were maintained at 4°C, 8°C and 12°C for 14 days in order to mimic environmental conditions in commercial holding facilities. The consequences of nicking on animal health were assessed by measuring physiological and immune-related parameters in the haemolymph: total protein concentration,l-lactate, pH, haemocyte counts and phenoloxidase activities.  Mortality was most severe in nicked crabs held at 12°C (83%) compared to non-nicked crabs held at the same temperature (16.7%) or nicked crabs held at lower temperatures (16.7% at 8°C and 0% at 4°C). Stress-related parameters such asl-lactate and pH were only affected in the most extreme condition (crabs nicked at 12°C). However, phenoloxidase activities increased significantly (even in control groups) with increasing temperature, an effect that was exacerbated by the nicking process.
Type: Journal Article
URI: http://hdl.handle.net/1893/23160
DOI Link: http://dx.doi.org/10.1016/j.fishres.2015.11.024
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: University of Glasgow
Biological and Environmental Sciences
Complex Systems
St Abbs Marine Station
University of Glasgow

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