Total nitrogen, carbon and phosphorus digestibility in gilthead seabream (Sparus aurata) and European seabass (Dicentrarchus labrax) fed with conventional and organic commercial feeds: implications for particulate waste production

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dc.contributorBiología Marinaes_ES
dc.contributor.authorBallester-Moltó, Mateo-
dc.contributor.authorFollana-Berná, Guillermo-
dc.contributor.authorSanchez-Jerez, Pablo-
dc.contributor.authorAguado Giménez, Felipe-
dc.contributor.otherUniversidad de Alicante. Departamento de Ciencias del Mar y Biología Aplicadaes_ES
dc.date.accessioned2017-07-27T08:57:48Z-
dc.date.available2017-07-27T08:57:48Z-
dc.date.issued2017-07-
dc.identifier.citationAquaculture Research. 2017, 48(7): 3450-3463. doi:10.1111/are.13171es_ES
dc.identifier.issn1355-557X (Print)-
dc.identifier.issn1365-2109 (Online)-
dc.identifier.urihttp://hdl.handle.net/10045/68545-
dc.description.abstractOrganic fish farming is postulated as a more environmentally friendly activity than conventional activities. However, environmental sustainability as regards waste output has not been addressed. In this respect, the most important environmental problems associated with fish farming are those related with the discharge of particulate wastes. In this study, total nitrogen, carbon and phosphorus digestibility was estimated in a wide size range of gilthead seabream (Sparus aurata) and European seabass (Dicentrarchus labrax) fed a commercially available conventional diet and an organic feed, as a previous step to assessing particulate waste output. Neither fish size nor feed nutrient content was seen to influence nutrient digestibility in either species. The organic diet provided higher carbon but lower nitrogen and phosphorus digestibility than conventional feed in both species. Simulations under real ongrowing conditions resulted in lower values for nitrogen and higher values for carbon particulate wastes when conventional feed was supplied to both species. Particulate phosphorus wastes were 2.6- to 3.4-fold higher for fish fed the organic diet. Restrictions concerning NO the raw materials used for organic diet formulation and differences in nutrient bioavailability between the diets seemed to be the underlying reason for the differences found.es_ES
dc.description.sponsorshipThis research was funded by the Spanish Institute of Agro-Forestry Research (INIA; Ministry of Economy and Competitiveness; Project RTA2011-00088-00-00). The study was also partially sponsored by the Sub-Programme of Researcher Formation of the Spanish Institute of Agro-Forestry Research (FPI-INIA).es_ES
dc.languageenges_ES
dc.publisherJohn Wiley & Sonses_ES
dc.rights© 2016 John Wiley & Sons Ltdes_ES
dc.subjectCommercial dietes_ES
dc.subjectDicentrarchus labraxes_ES
dc.subjectDigestibilityes_ES
dc.subjectOrganic aquaculturees_ES
dc.subjectParticulate wasteses_ES
dc.subjectSparus aurataes_ES
dc.subject.otherZoologíaes_ES
dc.titleTotal nitrogen, carbon and phosphorus digestibility in gilthead seabream (Sparus aurata) and European seabass (Dicentrarchus labrax) fed with conventional and organic commercial feeds: implications for particulate waste productiones_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.peerreviewedsies_ES
dc.identifier.doi10.1111/are.13171-
dc.relation.publisherversionhttp://dx.doi.org/10.1111/are.13171es_ES
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccesses_ES
Appears in Collections:INV - BM - Artículos Científicos / Scientific Papers

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