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From invasion to fish fodder: inclusion of the brown algae rugulopteryx okamurae in aquafeeds for european sea bass dicentrarchus labrax (L., 1758)

2023Journal article Open access
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dc.contributor.authorFonseca, Filomena
dc.contributor.authorFuentes, Juan
dc.contributor.authorVizcaíno, Antonio Jesús
dc.contributor.authorAlarcón, Francisco Javier
dc.contributor.authorMancera, Juan Miguel
dc.contributor.authorMartínez-Rodríguez, Gonzalo
dc.contributor.authorMartos-Sitcha, Juan Antonio
dc.date.accessioned2023-04-11T10:05:17Z
dc.date.available2023-04-11T10:05:17Z
dc.date.issued2023
dc.description.abstractIn keeping with the premises of Blue Circular Economy in the European Union, the present study explored the possibility of using the invasive brown alga Rugulopteryx okamurae in aquafeeds for European sea bass (Dicen-trarchus labrax). Assuming the raw algae biomass could negatively impact animal performance, four experi-mental formulations were prepared, by including macroalgae material at 5%, using crude (CR), enzymatically hydrolysed and fermented (EF), enzymatically hydrolysed (E), or fermented (F) R. okamurae biomass, which we tested against a control feed (CT). To evaluate the effects of the experimental diets, besides animal growth performance and biometric parameters, we devised a toolbox focused on the intestine and intestinal function: i) ex-vivo epithelial resistance and permeability in Ussing chambers; ii) microbiota composition through NGS; iii) expression profiles of selected markers for epithelial integrity, transport, metabolism, and immune response, by qPCR. Our results show differentiated allometric growth among diets, coupled with intestinal epithelium al-terations in permeability, integrity, and amino acid transport. Additionally, evidence of microbiota dysbiosis and contrasting immune responses between experimental diets, i.e. pro-inflammatory vs. anti-inflammatory, are also described. In conclusion, we believe that R. okamurae could be a suitable resource for aquafeeds for the European sea bass, although its use requires a pre-treatment before inclusion. Otherwise, while the fish still have a positive growth performance, the gastrointestinal tract pays a toll on the integrity, transport, and inflammatory processes.pt_PT
dc.description.sponsorshipLA/P/0101/2020pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.aquaculture.2023.739318pt_PT
dc.identifier.issn0044-8486
dc.identifier.urihttp://hdl.handle.net/10400.1/19426
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research (CIMA)
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectAlgae-based aquafeedspt_PT
dc.subjectFish gut microbiotapt_PT
dc.subjectFish immune-related genespt_PT
dc.subjectFish intestine electrophysiologypt_PT
dc.subjectFish intestinal epitheliumpt_PT
dc.titleFrom invasion to fish fodder: inclusion of the brown algae rugulopteryx okamurae in aquafeeds for european sea bass dicentrarchus labrax (L., 1758)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research (CIMA)
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00350%2F2020/PT
oaire.citation.startPage739318pt_PT
oaire.citation.titleAquaculturept_PT
oaire.citation.volume568pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameFonseca
person.familyNameFuentes
person.givenNameFilomena
person.givenNameJuan
person.identifier392998
person.identifier.ciencia-id421B-E196-2C33
person.identifier.orcid0000-0003-3824-0459
person.identifier.orcid0000-0003-0430-8734
person.identifier.scopus-author-id7004434992
person.identifier.scopus-author-id7201832526
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublicationd354b937-b18c-4ca5-a843-04a04269d60f
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