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Adult European Seabass ( Dicentrarchus labrax ) Perform Well on Alternative Circular-Economy-Driven Feed Formulations

Author

Listed:
  • Jessica Petereit

    (Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany)

  • Christina Hoerterer

    (Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany)

  • Adrian A. Bischoff-Lang

    (Faculty of Agricultural and Environmental Sciences, Aquaculture and Sea-Ranching, University of Rostock, Justus-von-Liebig-Weg 6, 18059 Rostock, Germany)

  • Luís E. C. Conceição

    (SPAROS Lda, Área Empresarial de Marim, Lote C, 8700-221 Olhão, Portugal)

  • Gabriella Pereira

    (SPAROS Lda, Área Empresarial de Marim, Lote C, 8700-221 Olhão, Portugal)

  • Johan Johansen

    (Norwegian Institute of Bioeconomy Research, 1431 Oslo, Norway)

  • Roberto Pastres

    (Dipartimento di Scienze Ambientali, Ca’ Foscari University of Venice, Informatica e Statistica Via Torino 155, 30172 Mestre, Italy)

  • Bela H. Buck

    (Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
    Applied Marine Biology and Aquaculture, University of Applied Sciences, An der Karlstadt 8, 27568 Bremerhaven, Germany)

Abstract

There is an increasing need in the aquaculture industry for more sustainable and functional feed concepts for marine finfish. This study provides results for the effect of alternative feed formulations on health status, welfare parameters, sensory analysis, and growth performance in European seabass ( Dicentrarchus labrax ) over an 83-day feeding trial. Fish were fed twice a day with five experimental diets. A control diet (control) and four different alternative feed concepts rich in processed animal proteins (PAP), other alternative ingredients (NOPAP), and a positive (NOPAP + ) and negative (PAP − ) formulation were tested. All alternative formulations contained hydrolysates from aquaculture by-products and macroalgae. The results indicate that the alternative feed concepts are more sustainable alternatives compared with the commercial diet. Equally interesting, the alternative formulations did not affect the sensory analysis of the fillet quality or the animal welfare. These are increasingly important factors in aquaculture products and, accordingly, also in the formulation of new feeds. Feed concepts that are not only more sustainable in their production, have shorter transportation distances, recycle the resources (usage of by-products), and have no adverse effect on growth or welfare parameters are highly needed. Therefore, the experimental diets tested in this study are a win-win concept for future seabass aquaculture production.

Suggested Citation

  • Jessica Petereit & Christina Hoerterer & Adrian A. Bischoff-Lang & Luís E. C. Conceição & Gabriella Pereira & Johan Johansen & Roberto Pastres & Bela H. Buck, 2022. "Adult European Seabass ( Dicentrarchus labrax ) Perform Well on Alternative Circular-Economy-Driven Feed Formulations," Sustainability, MDPI, vol. 14(12), pages 1-18, June.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:12:p:7279-:d:838700
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    References listed on IDEAS

    as
    1. Brunella Arru & Roberto Furesi & Laura Gasco & Fabio A. Madau & Pietro Pulina, 2019. "The Introduction of Insect Meal into Fish Diet: The First Economic Analysis on European Sea Bass Farming," Sustainability, MDPI, vol. 11(6), pages 1-16, March.
    2. Wesley Malcorps & Björn Kok & Mike van‘t Land & Maarten Fritz & Davy van Doren & Kurt Servin & Paul van der Heijden & Roy Palmer & Neil A. Auchterlonie & Max Rietkerk & Maria J. Santos & Simon J. Davi, 2019. "The Sustainability Conundrum of Fishmeal Substitution by Plant Ingredients in Shrimp Feeds," Sustainability, MDPI, vol. 11(4), pages 1-19, February.
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