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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Alternative Lipid Sources in Aquafeeds
Author(s): Ng, Wing–Keong
Turchini, Giovanni M
Tocher, Douglas R
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Keywords: fish oil
vegetable oil
Issue Date: May-2010
Citation: Ng W, Turchini GM & Tocher DR (2010) Alternative Lipid Sources in Aquafeeds, International Aquafeed, 13 (3), pp. 10-13.
Abstract: The global aquaculture industry is one of the fastest growing food production sectors with farmed seafood currently accounting for about 50% of all fish consumed in the world. It is estimated that aquaculture produces about 65 million tonnes of seafood valued at more than US$78 billion annually. Aquaculture is anticipated to play an increasingly important role in meeting the seafood demand of a growing human population. The rapid increase in aquaculture production worldwide has been fueled by the use of industrially manufactured aquafeeds. Conventionally, marine fish meal and fish oil are used as the major feed ingredients in the formulation of commercial aquafeeds to supply dietary protein and lipid, respectively. It is estimated that aquafeeds currently consume about 90% of the global supply of fish oil and many have predicted that the demand for fish oil from the aquaculture industry will imminently out strip supply. Marine fish oil production has not increased beyond 1.5 million tonnes for the past quarter of a century and in order to further expand, the global aquaculture industry cannot continue to rely solely on this source of lipid. The high demand, impending short supply and often times high prices makes dietary fish oil a bottle-neck in the farming of aquatic animals, and there is currently great urgency within the global aquafeed industry in finding suitable alternatives to replace marine fish oils. This article will give an overview of the various alternative lipid sources, grouped according to their main chemical characteristics. Their unique potential advantages and challenges for use in aquafeeds will be highlighted. The physiological effects of various lipid sources and their components on growth, lipid metabolism, health and post-harvest qualities of the farmed fish are briefly discussed.
Rights: The publisher has granted permission for use of this article in this Repository. The article was first published in International Aquafeed by Perendale Publishers Ltd.

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