Raw analytical data obtained from an experimental trial in which gilthead sea bream juveniles were fed with or without an olive juice extract rich in hydroxytyrosol as an additive (0.52 g HT/kg feed) in a high-fat (24% lipids) diet and that was administered at a standard (3% of total biomass in the tank) or restricted ration (40% reduction) for 9 weeks. Data from bone-derived cells from fish fed the diets at a standard ration after 3 and 9 weeks of the trial and measured at day 20 of culture development.

Growth data, IGF-1 plasma levels and gene expression in liver, bone and white muscle of gilthead sea bream from an in vivo dietary experiment; and, proliferation and mineralization data from bone-derived cultured cells from the same fish.