Feed intake is a critical variable in aquaculture that limits growth and survival of reared animals. The inclusion of new raw materials in fish diets to meet cost-efficient production and sustainability goals may compromise the organoleptic quality of diets and, by extension, fish growth (Yaghoubi et al., 2016). Therefore, it seems reasonable to evaluate the fish’s discriminatory capacity towards feed in order to discern the organoleptic preferences of aquacultured species. The goal of this study was to develop an experimental model to test feed discrimination in the gilthead seabream (Sparus aurata), an important species for Mediterranean seawater aquaculture.
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