Journal
ICES JOURNAL OF MARINE SCIENCE
Volume 58, Issue 1, Pages 29-38Publisher
ACADEMIC PRESS LTD
DOI: 10.1006/jmsc.2000.0986
Keywords
bioenergetics; cod; feed conversion; Gadus morhua; growth; optimal temperature
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size groups of hatchery reared cod (2-109 g) and three size groups of wild cod (447-2213 g) were reared at a range of constant temperatures. All groups were fed to satiation, the hatchery fish on dry feed and the wild fish on capelin and shrimp, The optimal temperature for growth decreased linearly with fish weight on a log scale from 17 degreesC for 2 g fish to 7 degreesC for 2000 g fish. Similarly, the optimal temperature for feed conversion decreased with fish weight. from 15 degreesC fur 7 g fish to 7 degreesC for 2000 g fish. Growth rate at optimal temperature declined linearly with fish weight on a log-log scale from 5.8 to 0.36% per day for 2 and 2000 g cod, respectively. (C) 2001 International Council Tur the Exploration of the Sea.
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