Aquaculture intensification has increased the susceptibility of farmed fish to infectious diseases, which are traditionally managed with antibiotics. Growing environmental concerns and the emergence of antimicrobial resistance, however, have driven the search for more sustainable approaches to disease management. White grape marc, a polyphenol-rich by-product of the wine-making industry with known antimicrobial and antioxidant...

The expansion of aquaculture and the rising cost of fishmeal have driven research into fish gut health and the replacement of marine-derived ingredients with alternative protein sources, within sustainable strategies aligned with the Blue Transformation. In this sense, the objective of this study was to evaluate the effect of including a functional ingredient based on hydrolyzed microalgae and grape marc extracts in feeds with...