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dc.contributor.authorBouraoui, Lamia-
dc.contributor.authorSánchez-Gurmaches, Joan-
dc.contributor.authorCruz-García, Lourdes-
dc.contributor.authorGutiérrez, Joaquim-
dc.contributor.authorBenedito-Palos, Laura-
dc.contributor.authorPérez-Sánchez, Jaume-
dc.contributor.authorNavarro, Isabel-
dc.identifierdoi: 10.1111/j.1365-2095.2009.00706.x-
dc.identifierissn: 1353-5773-
dc.identifier.citationAquaculture Nutrition 17(1): 54-63 (2011)-
dc.description.abstractThe effects of a double replacement of fish oil (FO) and fish meal (FM) by dietary vegetable ingredients in juvenile gilthead sea bream (Sparus aurata L. 1758) on some indices of lipid metabolism and plasma insulin levels were analysed. Four experimental diets with a replacement of 75% of FM by plant proteins (PP) were administered. Added oil was either FO (75PP/FO diet), or a vegetable oil mix (VO), replacing 33%, 66% or 100% of FO (75PP/33VO, 75PP/66VO, 75PP/100VO diets). Another diet with 50% of substitution of FM by PP and with 100% of VO was also tested (50PP/100VO diet). Final body weight was similar in all diet groups, except for the 75PP/100VO group, which presented lower values. Circulating insulin levels increased with feed administration in all groups and no differences between diets were observed, with the exception of the 75PP/FO group, which presented higher plasma insulin values. In adipose tissue, glucose-6-phosphate dehydrogenase and malic enzyme activities decreased with the inclusion of vegetable oil, especially 5 h after feeding. Diet had no significant effect on the hepatic activity of either enzyme. Lipoprotein lipase activity decreased in white muscle and adipose tissue with the replacement of fish oil in 75PP diets, 5 h after feeding. In conclusion, the use of a combined replacement of fish oil and fish meal by vegetable ingredients in gilthead sea bream permits satisfactory growth, with moderate changes in tissue lipogenesis and lipid uptake. © 2010 Blackwell Publishing Ltd.-
dc.publisherBlackwell Publishing-
dc.titleEffect of dietary fish meal and fish oil replacement on lipogenic and lipoprotein lipase activities and plasma insulin in gilthead sea bream (Sparus aurata)-
dc.description.versionPeer Reviewed-
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