Some relationships between growth,metabolism and food in the mussel Mytilus edulis |
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Authors: | R. J. Thompson B. L. Bayne |
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Affiliation: | 1. Department of Zoology, The University of Leicester, Leicester, England 2. Marine Sciences Research Laboratory, Memorial University of Newfoundland, St. Johns, Newfoundland, Canada
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Abstract: | Measurements of ingested ration, assimilated ration and metabolic rate in Mytilus edulis L. of different sizes have been integrated to provide an estimate of energy balance, which in turn describes the physiological state of the animal. These data allow the empirical determination of growth efficiency and ration. Growth efficiency increases hyperbolically with increasing ingested ration to reach a maximum, after which efficiency decreases as ration is further increased. The optimum ration for efficient growth increases with increasing weight of the mussel; maximum growth efficiency decreases with increasing body weight. |
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