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dc.contributor.authorTocher, Douglas Ren_UK
dc.contributor.authorFrancis, David Sen_UK
dc.contributor.authorCoupland, Keithen_UK
dc.contributor.editorTurchini, G Men_UK
dc.contributor.editorNg, W -Ken_UK
dc.contributor.editorTocher, D Ren_UK
dc.description.abstractLinseed, camelina, perilla and echium oils are n-3 C18 polyunsaturated fatty acid (PUFA)-rich vegetable oil sources viewed as favorable replacements to fish oil in aquaculture feed (aquafeed) production in consideration of their high α-linolenic acid (ALA; 18:3n-3) and/or stearidonic acid (SDA; 18:4n-3) contents and potential for subsequent bio-conversion to n-3 long chain polyunsaturated fatty acids (LC-PUFA) in farmed aquatic species. While the total production of these oils is currently low in comparison with other terrestrial oil sources, their distinct fatty acid composition and high n-3/n-6 ratio delivers a unique substitute to fish oil in aquafeeds, presently unparalleled in other alternative terrestrial oil sources. The dietary inclusion of these oil sources has therefore attracted significant research attention, resulting in a multitude of investigations across a broad range of aquatic species (finfish and crustaceans). Generally, providing that the essential fatty acids (EFA) requirements of the species under investigation were met and an adequate level of fishmeal was present in the diet, it was found possible to replace 100 % and 60 -70 % of the dietary fish oil component for freshwater and marine species, respectively, with minimal impact on growth performance indices. However, the substitution of fish oil with n-3-rich vegetable oils and/or vegetable oil blends resulted in substantially reduced concentrations of health promoting eicosapentaenoic acid (EPA, 20:5n-3) and docosahexaenoic acid (DHA, 22:6n-3) in the edible portion of the farmed species. This Chapter provides an overview of the use of n-3 PUFA-rich vegetable oils and/or vegetable oil blends for use in aquafeeds. In particular, key aspects of oil production, processing and refinement will be presented and individual differences pertaining to the physical, chemical and nutritional characteristics of the oil types will be highlighted. Following on from this, a summary of the key findings relevant to n-3 PUFA-rich vegetable oil inclusion in aquafeeds will be discussed, with particular emphasis placed on growth performance and nutritional modification.en_UK
dc.publisherTaylor and Francis (CRC Press)en_UK
dc.relationTocher DR, Francis DS & Coupland K (2010) n-3 Polyunsaturated fatty acid-rich vegetable oils and blends. In: Turchini GM, Ng W- & Tocher DR (eds.) Fish Oil Replacement and Alternative Lipid Sources in Aquaculture Feeds. Boca Raton, Florida: Taylor and Francis (CRC Press), pp. 209-244.
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.subjectfish oilen_UK
dc.subjectvegetable oilsen_UK
dc.subjectn-3 polyunsaturated fatty acidsen_UK
dc.subjectlinseed oilen_UK
dc.subjectcamelina oilen_UK
dc.subjectechium oilen_UK
dc.subjectVegetable oilsen_UK
dc.subjectFishes Feeding and feedsen_UK
dc.titlen-3 Polyunsaturated fatty acid-rich vegetable oils and blendsen_UK
dc.typePart of book or chapter of booken_UK
dc.rights.embargoreason[Chapter 7 complete.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.type.statusAM - Accepted Manuscripten_UK
dc.citation.btitleFish Oil Replacement and Alternative Lipid Sources in Aquaculture Feedsen_UK
dc.publisher.addressBoca Raton, Floridaen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationDeakin Universityen_UK
dc.contributor.affiliationUniversity of Hullen_UK
rioxxterms.typeBook chapteren_UK
local.rioxx.authorTocher, Douglas R|0000-0002-8603-9410en_UK
local.rioxx.authorFrancis, David S|en_UK
local.rioxx.authorCoupland, Keith|en_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.contributorTurchini, G M|en_UK
local.rioxx.contributorNg, W -K|en_UK
local.rioxx.contributorTocher, D R|en_UK
local.rioxx.filenameChapter 7 complete.pdfen_UK
Appears in Collections:Aquaculture Book Chapters and Sections

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