Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/110806
Campo DC Valoridioma
dc.contributor.authorTorrecillas Burriel, Silviaen_US
dc.contributor.authorMontero Vítores, Danielen_US
dc.contributor.authorRibeiro Carvalho, Martaen_US
dc.contributor.authorBenitez Santana, Tibiabinen_US
dc.contributor.authorIzquierdo López, María Soledaden_US
dc.date.accessioned2021-07-16T12:01:31Z-
dc.date.available2021-07-16T12:01:31Z-
dc.date.issued2021en_US
dc.identifier.issn0044-8486en_US
dc.identifier.otherWoS-
dc.identifier.urihttp://hdl.handle.net/10553/110806-
dc.description.abstractA sustainable growth of the aquaculture sector implies the use of sustainable novel raw materials as replacers of the traditional fishmeal (FM) and fish oil (FO) ingredients. This fact has led to the development of sustainable and functional diets as part of a management strategy to reduce the effects on fish growth performance and health derived from low FM/FO dietary contents. In this sense, Antarctic krill (Euphausia superba) is considered a potential candidate in dietary inclusions to potentiate fish growth and health status. In this study, European sea bass (Dicentrarchus labrax) were fed a practical diet with either a 15% fishmeal content (KM0; control diet) or the same diet substituted by 30% (KM5; 5 g KM/kg diet) or 50% (KM7.5; 7.5 g KM/kg diet) Antarctic krill meal (KM) for 12 weeks in triplicates. At the end of the feeding trial, growth performance, liver morphology, liver proximate composition, lipid classes and fatty acid profiles, as well as the expression of hepatic genes related with lipid metabolism were evaluated. Fish fed KM-based diets presented higher (p < 0.05) final weight, protein and lipid efficiency ratios, specific growth rate (SGR) and improved feed conversion ratio (FCR), irrespective of the KM dietary level. Whole body and muscle proximate composition and fatty acid profiles were similar among dietary groups. Livers of European sea bass fed the experimental diets presented similar (p > 0.05) biochemical composition and fatty acid profile. However, smaller hepatocellular area and lower grade of cytoplasm vacuolization as well as a better alignment around sinusoidal spaces were found. The analyses of liver lipid classes revealed a positive correlation between the level of dietary KM and the pigmented material such as astaxanthin and free fatty acid content, as well as a negative correlation with the cholesterol levels. The expression of hepatic genes studied demonstrated a downregulation of 3-hydroxy-3-methylglutaryl-coenzyme A reductase (hmgr) and delta-6-desaturase (fads2) expression levels in fish fed KM-based diets. Besides, gene expression levels of fatty acid binding protein 7 (fabp7) and lipoprotein lipase (lpl) were significantly correlated with KM dietary levels. Altogether, these results profile KM as a potential promoter of growth and liver health in European sea bass fed low fish meal and oil diets.en_US
dc.languageengen_US
dc.relation.ispartofAquacultureen_US
dc.sourceAquaculture [ISSN 0044-8486], v. 545, 737166, (Diciembre 2021)en_US
dc.subject310502 Pisciculturaen_US
dc.subject.otherKrill mealen_US
dc.subject.otherFish meal replacementen_US
dc.subject.otherEuropean sea bassen_US
dc.subject.otherSustainable ingredientsen_US
dc.subject.otherSteatosisen_US
dc.subject.otherFatty acid profileen_US
dc.titleReplacement of fish meal by Antarctic krill meal in diets for European sea bass Dicentrarchus labrax: Growth performance, feed utilization and liver lipid metabolismen_US
dc.typeinfo:eu-repo/semantics/articleen_US
dc.identifier.doi10.1016/j.aquaculture.2021.737166en_US
dc.identifier.isi000691819600007-
dc.identifier.eissn1873-5622-
dc.relation.volume545en_US
dc.investigacionCienciasen_US
dc.type2Artículoen_US
dc.contributor.daisngid46871129-
dc.contributor.daisngid432360-
dc.contributor.daisngid47215995-
dc.contributor.daisngid2443643-
dc.contributor.daisngid45000017-
dc.description.numberofpages10en_US
dc.utils.revisionen_US
dc.contributor.wosstandardWOS:Torrecillas, S-
dc.contributor.wosstandardWOS:Montero, D-
dc.contributor.wosstandardWOS:Carvalho, M-
dc.contributor.wosstandardWOS:Benitez-Santana, T-
dc.contributor.wosstandardWOS:Izquierdo, M-
dc.date.coverdateDiciembre 2021en_US
dc.identifier.ulpgcen_US
dc.contributor.buulpgcBU-BASen_US
dc.description.sjr0,981-
dc.description.jcr5,135-
dc.description.sjrqQ1-
dc.description.jcrqQ1-
dc.description.scieSCIE-
item.grantfulltextopen-
item.fulltextCon texto completo-
crisitem.author.deptGIR Grupo de Investigación en Acuicultura-
crisitem.author.deptIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.deptGIR Grupo de Investigación en Acuicultura-
crisitem.author.deptIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.deptDepartamento de Biología-
crisitem.author.deptGIR Grupo de Investigación en Acuicultura-
crisitem.author.deptIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.deptGIR Grupo de Investigación en Acuicultura-
crisitem.author.deptIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.deptDepartamento de Biología-
crisitem.author.orcid0000-0002-4358-2157-
crisitem.author.orcid0000-0002-2554-6101-
crisitem.author.orcid0000-0003-4297-210X-
crisitem.author.parentorgIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.parentorgIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.parentorgIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.parentorgIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.fullNameTorrecillas Burriel, Silvia-
crisitem.author.fullNameMontero Vítores, Daniel-
crisitem.author.fullNameRibeiro Carvalho,Marta-
crisitem.author.fullNameIzquierdo López, María Soledad-
Colección:Artículos
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