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Effect of Dietary Canola Oil Level on Fatty Acid Composition of Rainbow Trout (Oncorhynchus mykiss L.)

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Title: Effect of Dietary Canola Oil Level on Fatty Acid Composition of Rainbow Trout (Oncorhynchus mykiss L.)
Authors: Dernekbaşi, Seval
Karayücel, İsmihan
Öksüz, Abdullah
Keywords: rainbow trout
Oncorhynchus mykiss
canola oil
chemical composition
fatty acids
LC Subject Headings: Fish culture--Israel--Periodicals.
Fish culture--Periodicals.
Aquaculture--Israel--Periodicals.
Aquaculture--Periodicals.
Issue Date: 2011
Publisher: Israeli Journal of Aquaculture - BAMIGDEH
Citation: Seval Dernekbaşi, İsmihan Karayücel, Abdullah Öksüz (2011). Effect of Dietary Canola Oil Level on Fatty Acid Composition of Rainbow Trout (Oncorhynchus mykiss L.). The Israeli Journal of Aquaculture - Bamidgeh, 63, 11 pp.
Series/Report no.: The Israeli Journal of Aquaculture - Bamidgeh
Abstract: The effects of different levels of dietary canola oil on fatty acid composition of rainbow trout (Oncorhynchus mykiss) were investigated. Five experimental diets with equal protein (47%) and lipid (17%) contents were formulated for rainbow trout with a mean weight of 119±0.17 g. Canola oil was used to replace 0, 25%, 50%, 75%, or 100% of the fish oil in the control diet. Fish were fed twice daily to satiation for 70 days. At the end of the study, fatty acid compositions in the trout body mirrored the fatty acid compositions of the experimental diets. The highest fatty acids were palmitic acid (C16:0), oleic acid (C18:1n-9), linoleic acid (C18:2n-6), and docosahexaenoic acids (C22:6n-3). The study showed that, under our test conditions, canola oil can replace 100% of fish oil with no negative effect on the chemical or fatty acid composition of rainbow trout.
Pages/Duration: 11 pages
URI/DOI: http://hdl.handle.net/10524/36297
ISSN: 0792-156X
Appears in Collections:IJA Volume 63, 2011



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