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Algae in fish feed: performances and fatty acid metabolism in juvenile Atlantic Salmon

Norambuena, Fernando, Hermon, Karen, Skrzypczyk, Vanessa, Emery, James A., Sharon, Yoni, Beard, Alastair and Turchini, Giovanni M. 2015, Algae in fish feed: performances and fatty acid metabolism in juvenile Atlantic Salmon, PLoS One, vol. 10, no. 4, Article Number : e0124042, pp. 1-17, doi: 10.1371/journal.pone.0124042.

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Title Algae in fish feed: performances and fatty acid metabolism in juvenile Atlantic Salmon
Author(s) Norambuena, Fernando
Hermon, KarenORCID iD for Hermon, Karen orcid.org/0000-0001-6849-4930
Skrzypczyk, Vanessa
Emery, James A.
Sharon, Yoni
Beard, Alastair
Turchini, Giovanni M.ORCID iD for Turchini, Giovanni M. orcid.org/0000-0003-0694-4283
Journal name PLoS One
Volume number 10
Issue number 4
Season Article Number : e0124042
Start page 1
End page 17
Total pages 17
Publisher Public Library of Science (PLOS)
Place of publication San Francisco, Calif.
Publication date 2015
ISSN 1932-6203
Summary Algae are at the base of the aquatic food chain, producing the food resources that fish are adapted to consume. Previous studies have proven that the inclusion of small amounts (<10% of the diet) of algae in fish feed (aquafeed) resulted in positive effects in growth performance and feed utilisation efficiency. Marine algae have also been shown to possess functional activities, helping in the mediation of lipid metabolism, and therefore are increasingly studied in human and animal nutrition. The aim of this study was to assess the potentials of two commercially available algae derived products (dry algae meal), Verdemin (derived from Ulva ohnoi) and Rosamin (derived from diatom Entomoneis spp.) for their possible inclusion into diet of Atlantic Salmon (Salmo salar). Fish performances, feed efficiency, lipid metabolism and final product quality were assessed to investigated the potential of the two algae products (in isolation at two inclusion levels, 2.5% and 5%, or in combination), in experimental diets specifically formulated with low fish meal and fish oil content. The results indicate that inclusion of algae product Verdemin and Rosamin at level of 2.5 and 5.0% did not cause any major positive, nor negative, effect in Atlantic Salmon growth and feed efficiency. An increase in the omega-3 long-chain polyunsaturated fatty acid (n-3 LC-PUFA) content in whole body of fish fed 5% Rosamin was observed.
Language eng
DOI 10.1371/journal.pone.0124042
Field of Research 070401 Aquaculture
Socio Economic Objective 830102 Aquaculture Fin Fish (excl. Tuna)
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Public Library of Science (PLOS)
Persistent URL http://hdl.handle.net/10536/DRO/DU:30072643

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.