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dc.contributor.authorPratoomyot, Jarunanen_UK
dc.contributor.authorBendiksen, Eldar Asgarden_UK
dc.contributor.authorBell, J Gordonen_UK
dc.contributor.authorTocher, Douglas Ren_UK
dc.description.abstractThe effects of high levels of replacement of dietary fish meal (FM) by mixtures of plant protein (PP) sources on growth performance, lipid composition, protein and lipid digestibility and fatty acid profile were investigated in Atlantic salmon, Salmo salar. Experimental diets containing 35% protein and 28% lipid were formulated with a low level of FM that was replaced by increasing levels of PP resulting in four diets of 25/45 ((% FM/% PP, F25), 18/50 (F18) 11/55 (F11) and 5/60 (F5). Dietary oil was supplied by a fish oil (FO) and rapeseed oil blend at a ratio of ~40/60 so this formulation was effectively a dual replacement of FO and FM. Diets were supplemented with crystalline amino acids, to compensate for the reduction in indispensible amino acids due to reduced FM content, and all diets were supplemented with lecithin. Salmon, initial weight 1.30 ± 0.1 kg, were fed one of the four experimental diets for 19 weeks. Feed consumption decreased as PP inclusion in diets increased, probably as a result of reduced palatability. Fish fed the F18, F11 and F5 diets had significantly lower final body weights than fish fed the F25 diet, with SGR decreased by 5 %, 11 % and 23 %, respectively. The lower growth as FM inclusion in diets decreased was associated with decreased feed intake throughout the trial. In contrast, nutrient utilization was significantly affected in the first phase with increased FCR and decreased PER as FM inclusion decreased. However, there were no significant differences in these parameters in the second phase suggesting that there was metabolic adaptation to the diets. Changes in feed physical texture and/or chemical olfactory attractants possibly reduced the palatability of the diets. Essential fatty acid composition, in particular EPA, DHA and ARA in salmon flesh and liver were not negatively affected by dietary treatment and there was some evidence of increased retention and/or synthesis of LC-PUFA.en_UK
dc.relationPratoomyot J, Bendiksen EA, Bell JG & Tocher DR (2010) Effects of increasing replacement of dietary fishmeal with plant protein sources on growth performance and body lipid composition of Atlantic salmon (Salmo salar L.). Aquaculture, 305 (41000), pp. 124-132.;
dc.rightsPublished in Aquaculture by Elsevier. Aquaculture, Volume 305, Issues 1-4, July 2010, pp. 124 - 132; This is the peer reviewed version of this article.; NOTICE: this is the author’s version of a work that was accepted for publication in Aquaculture. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Aquaculture, VOL 305, ISSUE 1-4, July 2010. DOI 10.1016/j.aquaculture.2010.04.019en_UK
dc.subjectfish mealen_UK
dc.subjectAtlantic salmonen_UK
dc.subjectplant proteinsen_UK
dc.subjectfatty aciden_UK
dc.subjectAtlantic salmonen_UK
dc.subjectFishes Feeding and feedsen_UK
dc.subjectFishes Qualityen_UK
dc.subjectDietary supplementsen_UK
dc.titleEffects of increasing replacement of dietary fishmeal with plant protein sources on growth performance and body lipid composition of Atlantic salmon (Salmo salar L.)en_UK
dc.typeJournal Articleen_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.contributor.affiliationUniversity of Stirlingen_UK
dc.contributor.affiliationBioMar ASen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorPratoomyot, Jarunan|en_UK
local.rioxx.authorBendiksen, Eldar Asgard|en_UK
local.rioxx.authorBell, J Gordon|en_UK
local.rioxx.authorTocher, Douglas R|0000-0002-8603-9410en_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.filenamePratoomyot et al 2010 Revised.pdfen_UK
Appears in Collections:Aquaculture Journal Articles

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