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Alfonso, Sébastien; Mente, Elena; Fiocchi, Eleonora; Manfrin, Amedeo; Dimitroglou, Arkadios; Papaharisis, Leonidas; Barkas, Dimitris; Toomey, Lola; Boscarato, Marilena; Losasso, Carmen; Peruzzo, Arianna; Stefani, Annalisa; Zupa, Walter; Spedicato, Maria Teresa; Nengas, Ioannis; Lembo, Giuseppe; Carbonara, Pierluigi

Growth performance, gut microbiota composition, health and welfare of European sea bass (Dicentrarchus labrax) fed an environmentally and economically sustainable low marine protein diet in sea cages

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  • Medientyp: E-Artikel
  • Titel: Growth performance, gut microbiota composition, health and welfare of European sea bass (Dicentrarchus labrax) fed an environmentally and economically sustainable low marine protein diet in sea cages
  • Beteiligte: Alfonso, Sébastien; Mente, Elena; Fiocchi, Eleonora; Manfrin, Amedeo; Dimitroglou, Arkadios; Papaharisis, Leonidas; Barkas, Dimitris; Toomey, Lola; Boscarato, Marilena; Losasso, Carmen; Peruzzo, Arianna; Stefani, Annalisa; Zupa, Walter; Spedicato, Maria Teresa; Nengas, Ioannis; Lembo, Giuseppe; Carbonara, Pierluigi
  • Erschienen: Springer Science and Business Media LLC, 2023
  • Erschienen in: Scientific Reports
  • Sprache: Englisch
  • DOI: 10.1038/s41598-023-48533-3
  • ISSN: 2045-2322
  • Schlagwörter: Multidisciplinary
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title><jats:p>The large use of fish meal/fish oil in carnivorous fish feeds is the main concern regarding environmental sustainability of aquaculture. Here, we evaluated the effects of an innovative diet, designed to be (1) environmentally sustainable by lowering the marine protein content while being (2) cost effective by using sustainable alternative raw materials with acceptable cost and produced on an industrial scale, on growth performance, gut microbiota composition, health and welfare of European sea bass (<jats:italic>Dicentrarchus labrax</jats:italic>), a key species of the Mediterranean marine aquaculture, reared in sea cages. Results show that the specific growth rate of fish fed the low marine protein diet was significantly lower than those fed conventional diet (0.67% vs 0.69%). Fatty acid profile of fillets from fish fed a low marine protein diet presented significant lower n-6 and higher n-3 content when compared to conventional ones. Then, a significant increase in the abundance of <jats:italic>Vibrio</jats:italic> and reduction of <jats:italic>Photobacterium</jats:italic> were found in the gut of fish fed with the low marine protein diet but effects on sea bass health needs further investigation. Finally, no major health and welfare alterations for fish fed the low marine protein diet were observed, combined with a potential slight benefit related to humoral immunity. Overall, these results suggest that despite the low marine protein diet moderately affects growth performance, it nevertheless may enhance environmental and economic sustainability of the sea bass aquaculture.</jats:p>
  • Zugangsstatus: Freier Zugang