Compensatory sea growth of male Atlantic salmon, Salmo salar L., which previously mature as parr |
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Authors: | O. T. Skilbrei |
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Affiliation: | Department of Fisheries Biology, University of Bergen, P.O. Box 1839, N-5011 Bergen, Norway |
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Abstract: | The proportion of mature male parr in 11 families of Atlantic salmon, Sulrno sulur, reared under similar conditions in fresh water varied from 0–43%. The mature males were smaller than their siblings in December as 1 + and in late March. After individual tagging and transfer to a sea cage in early April. the previously mature males grew faster than previously immature salmon during the next 6 months. This compensatory growth resulted in almost equal size between the two groups. The results are discussed in relation to the different life strategies of salmon. |
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Keywords: | Salmo salar mature parr growth in sea |
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