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    Assessment of dietary inclusion of crude or hydrolysed Arthrospira platensis biomass in starter diets for gilthead seabream (Sparus aurata)

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    1-s2.0-S0044848621013430-main (1).pdf (1.602Mb)
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    URI: http://hdl.handle.net/10835/13646
    ISSN: 0044-8486
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    Author/s
    Galafat, Alba Vizcaíno, Antonio Jesús Sáez, María Isabel Martínez, Tomás Francisco Arizcun, Marta Chaves-Pozo, Elena Alarcón, Francisco Javier
    Date
    2022
    Abstract
    This work evaluates the effects of the dietary inclusion of crude or hydrolysed Arthrospira platensis (Cyanobacteria) biomass on growth, muscle composition, digestive functionality and immune activities in gilthead seabream (Sparus aurata) fry (20.32 mg mean body weight). A 40-day feeding trial was conducted, aimed at assessing four experimental diets that included 5 or 10% (w/w) A. platensis, either crude or hydrolysed, plus a microalgae-free diet as control batch. Overall, none of the dietary treatments caused negative impacts on fish growth, body composition, muscle fatty acid profile, or innate immune response. Thus, the dietary inclusion of both crude and hydrolysed A. platensis reduced significantly the oxidation of muscle lipids, especially when using hydrolysed biomass, regardless of the dietary inclusion level. In relation to digestive enzymes, significantly higher levels of trypsin, chymotrypsin and leucine aminopeptidase activities were measured in fish fed on A. platensis-s...
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    • Artículos de revista Proyecto SABANA [88]

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