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Fish oil replacement in finfish nutrition
journal contribution
posted on 2009-03-01, 00:00 authored by Giovanni TurchiniGiovanni Turchini, B Tortensen, W K NgUnsustainable fishing practices have placed a heavy emphasis on aquaculture to meet the global shortfalls in the supply of fish and seafood, which are commonly accepted as the primary source of health-promoting essential omega-3 (n-3 highly unsaturated fatty acids). However, dietary fish oil is required for the production of omega-3-rich farmed fish and this commodity, in a vicious circle, is at present derived solely from wild fisheries. Decreasing global availability coupled with the highly variable price of this resource has forced the aquaculture industry to investigate the possibilities of alternative dietary lipid sources. This review attempts to compile all principal information available regarding the effects of fish oil replacement for the diets of farmed finfish, analysing the findings using a comparative approach among different cultured fish species. The review initially focuses on the present situation with regard to the production, availability and main nutritional characteristics of fish oil and the principal alternative lipid sources (such as vegetable oils and animal fats). Following this, the effects of fish oil replacement in finfish nutrition on feed quality, fish performance, feed efficiency, fish lipid metabolism, final eating quality and related economic aspects are presented and discussed.
History
Journal
Reviews in aquacultureVolume
1Issue
1Pagination
10 - 57Publisher
Blackwell Publishing AsiaLocation
Richmond, Vic.Publisher DOI
ISSN
1753-5123eISSN
1753-5131Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2009, Blackwell Publishing AsiaUsage metrics
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animal fataquaculturefish oilfatty acidfish qualitylipogenesisphytosterolscanola oillinseed oillipidlipid catabolismlipid metabolismpalm oilplant oilrapeseed oilseafood qualitysoybean oilvegetable oilScience & TechnologyLife Sciences & BiomedicineFisheriesFATTY-ACID-COMPOSITIONSALMON SALMO-SALARBASS DICENTRARCHUS-LABRAXDIETARY-LIPID SOURCESFARMED ATLANTIC SALMONTROUT ONCORHYNCHUS-MYKISSFRESH-WATER FISHMACCULLOCHELLA-PEELII-PEELIIPARR-SMOLT TRANSFORMATIONBETA-OXIDATION CAPACITY
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