{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,6,24]],"date-time":"2024-06-24T23:33:57Z","timestamp":1719272037061},"reference-count":42,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2019,3,18]],"date-time":"2019-03-18T00:00:00Z","timestamp":1552867200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Fish Biology"],"published-print":{"date-parts":[[2019,4]]},"abstract":"<jats:p>We examined the possible adaptation of the dwarf Bleke population of Atlantic salmon <jats:italic>Salmo salar<\/jats:italic> from Lake Byglandsfjord in southern Norway to limited food resources. The growth performance and muscle development in juvenile Bleke and farmed <jats:italic>S. salar<\/jats:italic> under satiated or restricted (50%) feeding were examined for 10 months, starting 3 weeks after first\u2010feeding stage. Four\u2010thousand fish were divided into four replicated groups and random samples of 16\u201340 fish per group were measured six times during the experiment. The two strains showed no significant difference in mean body mass when fed restricted ration, but the individual variation was considerably higher in the farmed fish. Both Bleke and farmed <jats:italic>S. salar<\/jats:italic> grew significantly faster when fed to satiation, but the farmed <jats:italic>S. salar<\/jats:italic> showed much higher gain in mass and were three times heavier (201.5 g vs 66.7 g) and possessed twice as many fast muscle fibres (179,682 vs 84,779) compared with landlocked <jats:italic>S. salar<\/jats:italic> after 10 months. Farmed fish fed full ration displayed both hypertrophic and hyperplasic muscle growth, while the increased growth in Bleke <jats:italic>S. salar<\/jats:italic> was entirely associated with a larger fibre diameter. The landlocked Bleke strain has apparently adapted to low food availability by minimising the metabolic costs of maintenance and growth through reduced dominance hierarchies and by an increase in average muscle fibre diameter relative to the ancestral condition.<\/jats:p>","DOI":"10.1111\/jfb.13942","type":"journal-article","created":{"date-parts":[[2019,2,27]],"date-time":"2019-02-27T10:36:11Z","timestamp":1551263771000},"page":"614-620","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Influence of feed ration size on somatic and muscle growth in landlocked dwarf and farmed Atlantic salmon <i>Salmo salar<\/i>"],"prefix":"10.1111","volume":"94","author":[{"given":"\u00d8ivind","family":"Andersen","sequence":"first","affiliation":[{"name":"Norwegian Institute of Food, Fisheries and Aquaculture Research (Nofima AS)  Aas Norway"},{"name":"Department of Animal and Aquaculture Sciences Norwegian University of Life Sciences  Aas Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vera","family":"Vieira","sequence":"additional","affiliation":[{"name":"Gatty Marine Laboratory, School of Biology University of St Andrews  St Andrews Scotland, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jens\u2010Erik","family":"Dessen","sequence":"additional","affiliation":[{"name":"Norwegian Institute of Food, Fisheries and Aquaculture Research (Nofima AS)  Aas Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ian A.","family":"Johnston","sequence":"additional","affiliation":[{"name":"Gatty Marine Laboratory, School of Biology University of St Andrews  St Andrews Scotland, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2019,3,18]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1186\/1297-9686-42-17"},{"key":"e_1_2_7_3_1","first-page":"2005","volume-title":"Bleka i Byglandsfjorden \u2013 bestandsstatus og tiltak for \u00f8kt naturlig rekruttering","author":"Barlaup B. 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