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dc.contributor.authorBell, J Gordonen_UK
dc.contributor.authorTocher, Douglas Ren_UK
dc.contributor.authorHenderson, R Jamesen_UK
dc.contributor.authorDick, James Ren_UK
dc.contributor.authorCrampton, Viven_UK
dc.description.abstractAtlantic salmon post-smolts were fed ten experimental diets containing various blends of two vegetable oils, linseed (LO) and rapeseed oil (RO), and fish oil (FO) in a triangular trial design, for 50 weeks. After sampling, fish previously fed 100% FO, LO and RO were switched to a diet containing 100% FO and grown on for a further 20 weeks. Fatty acid compositions of flesh total lipid were linearly correlated with dietary fatty acid compositions (r = 0.99-1.00, P < 0.0001). Inclusion of vegetable oil at 33% of total oil resulted in a reduction in the concentrations of the highly unsaturated fatty acids, eicosapentaenoate [20:5(n-3)] and docosahexaenoate [22:6(n-3)], to around 70 and 75%, respectively, of the values in fish fed 100% FO. When vegetable oil was included at 100% of total dietary lipid the concentrations of 20:5(n-3) and 22:6(n-3) were reduced to around 30% and 36%, respectively, of the values in fish fed FO. Transfer of fish previously fed 100% vegetable oil to a 100% FO diet for 20 weeks, restored the concentrations of 20:5(n-3) and 22:6(n-3) to around 80% of the value in fish fed 100% FO for 70 weeks. However, concentrations of 18:2(n-6) remained about 1.5-fold higher, compared to fish fed 100% FO, in fish previously fed either 100% LO or RO. This study suggests that RO and LO can be used successfully to culture salmon through the seawater phase of their growth cycle although this will result in reductions in flesh 20:5(n-3) and 22:6(n-3) concentrations that can be partially restored by resuming a diet containing only marine FO for a period prior to harvest.en_UK
dc.publisherAmerican Society for Nutritional Sciencesen_UK
dc.relationBell JG, Tocher DR, Henderson RJ, Dick JR & Crampton V (2003) Altered fatty acid compositions in Atlantic salmon (Salmo salar) fed diets containing linseed and rapeseed oils can be partially restored by a subsequent fish oil finishing diet. Journal of Nutrition, 133 (9), pp. 2793-2801.
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author; you can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.subjectAtlantic salmonen_UK
dc.subjectSalmo salaren_UK
dc.subjectFish oilen_UK
dc.subjectVegetable oilen_UK
dc.subjectLinseed oilen_UK
dc.subjectRapeseed oilen_UK
dc.subjectMixture designen_UK
dc.subjectGrowth rateen_UK
dc.subjectLipid and fatty acid compositionen_UK
dc.subjectFinishing dieten_UK
dc.subjectAtlantic salmonen_UK
dc.subjectLipids in nutritionen_UK
dc.subjectFishes Nutritionen_UK
dc.subjectDietary supplementsen_UK
dc.subjectFishes Feeding and feedsen_UK
dc.titleAltered fatty acid compositions in Atlantic salmon (Salmo salar) fed diets containing linseed and rapeseed oils can be partially restored by a subsequent fish oil finishing dieten_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[Ewos VO Flesh final.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.citation.jtitleJournal of Nutritionen_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationUniversity of Stirlingen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationEWOS Innovationen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorBell, J Gordon|en_UK
local.rioxx.authorTocher, Douglas R|0000-0002-8603-9410en_UK
local.rioxx.authorHenderson, R James|en_UK
local.rioxx.authorDick, James R|en_UK
local.rioxx.authorCrampton, Viv|en_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.filenameEwos VO Flesh final.pdfen_UK
Appears in Collections:Aquaculture Journal Articles

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