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Performance of formulated diets with different level of lipids and glutamate supplementation in Octopus vulgaris

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dc.contributor.authorCerezo Valverde, Jesús
dc.contributor.authorHernández, María Dolores
dc.contributor.authorAguado Giménez, Felipe
dc.contributor.authorGarcía García, Benjamín
dc.contributor.authorSánchez Morillo-Velarde, María Piedad
dc.contributor.departmentBiología Celular e Histología
dc.date.accessioned2025-01-23T13:04:39Z
dc.date.available2025-01-23T13:04:39Z
dc.date.copyright© 2012 John Wiley & Sons Ltd.
dc.date.issued2013-11-07
dc.description.abstractGrowth, feed efficiency and proximate and lipid class composition of subadults Octopus vulgaris (788 ± 133 g; 18.5°C) fed formulated diets of low lipid (LL: 8 g kg−1) and high lipid levels (HL: 84 g kg−1) and each one of these with three different levels of glutamate supplementation (0, 5 and 20 g kg−1) were compared. All the animals accepted the diets with a survival of 100%. The addition of glutamate did not stimulate feeding rates in any of the assays (2.48–2.64 and 1.86–2.01%Body weight day−1 for LL and HL, respectively; P > 0.05). The best growth, feed efficiency and protein productive value were observed in the groups fed 5 or 20 g kg−1 glutamate supplementation at both lipid levels, with significant differences for LL diet (P < 0.05). A better feed efficiency was achieved with the HL diet (14.6–27.5% vs. 2.5–19.2% for LL diet). There were no significant differences in the proximate composition of carcass (animal excluding the digestive gland). However, a substantial amount of lipids accumulated in the digestive gland, mainly triglycerides, was detected as a consequence of higher lipid ingestion or glutamate supplementation. It was notable the lower percentages of phosphatidylethanolamine and phosphatidylcholine in the digestive gland of animals with best growth.es
dc.formatapplication/pdfes
dc.format.extent13es
dc.identifier.citationAquaculture Research, 2013, Vol. 44, pp. 1952–1964
dc.identifier.doihttps://doi.org/10.1111/j.1365-2109.2012.03201.x
dc.identifier.issnPrint: 1355-557X
dc.identifier.issnElectronic: 1365-2109
dc.identifier.urihttp://hdl.handle.net/10201/149155
dc.languageenges
dc.publisherWileyes
dc.relationThis project was financed by JACUMAR Spanish National Plans for Aquaculture. We thank Productos Sur S.A. for their advice and for providing the binders used.es
dc.relation.publisherversionhttps://onlinelibrary.wiley.com/doi/10.1111/j.1365-2109.2012.03201.xes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAtribución 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectFormulated dietes
dc.subjectglutamatees
dc.subjectLipidses
dc.subjectNutritiones
dc.subjectOctopus vulgarises
dc.titlePerformance of formulated diets with different level of lipids and glutamate supplementation in Octopus vulgarises
dc.typeinfo:eu-repo/semantics/articlees
dc.type.versioninfo:eu-repo/semantics/publishedVersión
dspace.entity.typePublicationes
relation.isAuthorOfPublicationfd48c5cc-66e7-4276-9164-fbd569f17ac7
relation.isAuthorOfPublication.latestForDiscoveryfd48c5cc-66e7-4276-9164-fbd569f17ac7
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