Journal
JOURNAL OF CRUSTACEAN BIOLOGY
Volume 38, Issue 5, Pages 625-634Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jcbiol/ruy048
Keywords
clinical pathology; enzyme activity; metabolites; minerals
Categories
Funding
- Atlantic Canada Opportunities Agency
- Provincial Government of Atlantic Canada
- Provincial Government of First Nations
- Provincial Government of Fisher Organisations
- Prince Edward Island Fishermen's Association
- PEI Atlantic Shrimp Corp. Inc.
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The Brix value was incorporated into a classification system in combination with the indices of carapace rigidity and setal stage to provide a framework for studying haemolymph biochemistry. The system was applied to a pre-existing dataset to generate descriptive statistics and reference intervals, where possible, for 18 parameters from commercial-size male and female American lobsters, Homarus americanus H. Milne Edwards, 1837, in Atlantic Canada. The lobsters were sampled on fishing vessels within 5 min of the hauling of commercial traps, providing a good representation of the range of values expected for trappable American lobster in their natural environment. In addition to expected trends in protein associated with the moult cycle, trends apparently related to reproductive status of females, region, and season were also observed in the concentrations of triglycerides, cholesterol, and lactate as well as alkaline phosphatase activity. The classification system could prove useful in other studies of crustacean physiology, especially where haemolymph-derived parameters are examined.
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