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Growth of Wild Gilthead Seabream (Sparus aurata L.) Juveniles for Organic Aquaculture

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Title: Growth of Wild Gilthead Seabream (Sparus aurata L.) Juveniles for Organic Aquaculture
Authors: Capoccioni, F.
Contò M.
Failla, S.
Buttazzoni, L.
Pulcini, D.
Keywords: Coastal lagoons
gilthead seabream juveniles
organic aquaculture
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LC Subject Headings: Fish culture--Israel.
Fish culture
Issue Date: 2017
Abstract: The majority of organic marine fish farms currently begin the production cycle with non-organic juveniles from conventional hatcheries, permitted by the European Regulation on organic fish origin (EC 710/2009) until the end of 2016. Wild juvenile gilthead seabream (Sparus aurata) from coastal lagoons and hatcheries were experimentally reared under organic conditions, in order (1) to investigate differences in fillet lipid content and fatty acids composition, and (2) to propose a possible future source of juveniles destined for organic aquaculture. Wild juveniles were readily distinguishable by their fatty acid signature, showing significantly higher ratio levels of n-3 polyunsaturated fatty acids and n-3/n-6. Fillet lipid composition of organically fed wild S. aurata juveniles was preferable to that from domesticated juveniles. These results seem promising for organic aquaculture, where fish feed is more environmentally sustainable but is of lower nutritional quality
Pages/Duration: 10 pages
ISSN: 0792-156X
Appears in Collections:Volume 69, 2017

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