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  The fatty acid composition of Nereis diversicolor cultured in an integrated recirculated system: Possible implications for aquaculture

Bischoff, A. A., Fink, P., & Waller, U. (2009). The fatty acid composition of Nereis diversicolor cultured in an integrated recirculated system: Possible implications for aquaculture. Aquaculture, 296(3-4), 271-276. doi:10.1016/j.aquaculture.2009.09.002.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D555-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D556-5
Genre: Journal Article

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Bischoff_2009.pdf (Publisher version), 345KB
 
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Bischoff, Adrian A., Author
Fink, Patrick1, Author              
Waller, Uwe, Author
Affiliations:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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Free keywords: Nereis diversicolor; Fatty acid composition; Nutrient recycling; Integrated aquaculture; Arachidonic acid; Eicosapentaenoic acid; Docosahexaenoic acid
 Abstract: The potential of solid waste originating from a recirculated fish culture system, i.e. faecal material, uneaten food pellets and bacterial biofilms was examined as food source for the marine polychaete Nereis diversicolor. These polychaetes could be a valuable food for fish if they provide essential fatty acids to the fish. Therefore, we analysed the fatty acid profiles from feed and faecal materials, the sediment as well as the cultured organisms — fish and several batches of N. diversicolor — from an integrated recirculating aquaculture system. The major fatty acids (saturated, monounsaturated and polyunsaturated) for all analysed fish feed, fish and faeces samples were C16:0, C18:1 and C22:6 (n − 3), accounting for 48% to 57% of the fatty acids in the samples. The major fatty acids within the sediment were C16:0, C18:1 and C18:3 (n − 3), accounting for 61% of the total fatty acids. The samples of N. diversicolor revealed C16:0, C18:1 and C20:5 (n − 3) as the major fatty acids. Combined, they accounted for 56% of the total fatty acids detected within the worm samples. The results indicate that a recycling or even an upgrade of excreted feed nutrients such as fatty acids, which were otherwise discharged, can be achieved through integrated aquaculture combining fish and worm culture.

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Language(s): eng - English
 Dates: 2009-11-16
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 437472
DOI: 10.1016/j.aquaculture.2009.09.002
Other: 2718/S 39038
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Title: Aquaculture
Source Genre: Journal
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Pages: - Volume / Issue: 296 (3-4) Sequence Number: - Start / End Page: 271 - 276 Identifier: ISSN: 0044-8486 (print)
ISSN: 1873-5622 Online)