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Effects of surgically implanted transmitters on swimming performance, food consumption and growth of wild Atlantic salmon parr

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Abstract:

Experiments were conducted on wild Atlantic salmon Salmo salar parr to determine the effect of surgically implanted dummy transmitters on swimming performance, food consumption and growth. Swimming performance of tagged fish (tag 1·7–3·7% of fish mass) was similar to that of control fish 1, 5 and 10 days after surgery. Negative effects on growth, however, were found up to day 36 of a 45 day experiment (tag 0·9–2·6% of fish mass). Consumption rates were similar between tagged and control fish and did not explain differences in growth.

Keywords: Atlantic salmon; food consumption; growth; implanted transmitter; swimming performance

Document Type: Regular Paper

DOI: https://doi.org/10.1046/j.1095-8649.2003.00055.x

Affiliations: 1: Biopsychology Programme, Memorial University of Newfoundland, St. John's, Newfoundland, Canada A1C 5X1, 2: Department of Fisheries and Oceans, Box 5667, St. John's, Newfoundland, Canada A1C 5X1 and 3: Ocean Sciences Centre, Memorial University of Newfoundland, St. John's, Newfoundland, Canada A1C 5X1

Publication date: 2003-03-01

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