Abstract
Juvenile bass, Dicentrarchus labrax (L.), fed ad libitum on trout pellets, the shore crab Carcinus maenas and filleted saithe, Gadus virens, did not differ significantly in proximate composition although the diets were absorbed with high efficiencies of 94 to 99% and differed greatly in composition. Compared with wild fish, the white muscle, dark muscle, liver and mesenteric fat bodies of laboratory-reared bass were lower in moisture and higher in lipid. Starvation caused a rapid initial decrease in carbohydrate and a progressive decline in lipid in all tissues, coupled with an increase in moisture and ash contents. The liver and fat body somatic indices also declined, indicating that these organs are the major lipid storage depots in bass, in contrast with the skeletal muscle which has this role in other active fishes such as salmonids and clupeids. Lipid and protein are inversely related to moisture content in whole specimens.
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Communicated by J.H.S. Blaxter, Oban
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Stirling, H.P. Effects of experimental feeding and starvation on the proximate composition of the European bass Dicentrarchus labrax . Mar. Biol. 34, 85–91 (1976). https://doi.org/10.1007/BF00390791
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DOI: https://doi.org/10.1007/BF00390791