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Clove oil as an anaesthetic for adult sockeye salmon: Field trials

Journal of Fish Biology

By:
, ,
DOI: 10.1006/jfbi.2001.1842

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Abstract

Wild migrating sockeye salmon Oncorhynchus nerka exposed to 20, 50 and 80 mg 1-1 of clove oil could be handled within 3 min, recovered within 10 min, and survived 15 min exposure trials. Fish tested at 110 mg 1-1 did not recover from 15 min exposure trials. Response curves developed for induction and recovery time considered the following predictors: clove oil concentration, sex, fish length and depth. A significant positive dependence was observed between induction time and fish length for 20, 50 and 80 mg 1-1 test concentrations; no dependence was observed between induction time and length at 110 and 140 mg 1-1. Recovery time differed as a function of clove oil concentration, but not fish size. A concentration of 50 mg 1-1 is recommended for anaesthetizing sockeye salmon ranging in length from 400 to 550 mm at water temperatures averaging 9-10??C.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Clove oil as an anaesthetic for adult sockeye salmon: Field trials
Series title:
Journal of Fish Biology
DOI:
10.1006/jfbi.2001.1842
Volume
60
Issue:
2
Year Published:
2002
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
340
Last page:
347
Number of Pages:
8