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Turkish Journal of Fisheries and Aquatic Sciences 2015, Vol 15, Num, 3     (Pages: 447-456)

Alternative Vegetable Oil Sources for White Seabream (Diplodus sargus) Juveniles: Effects on Growth and Body Chemical Composition

Oğuz Taşbozan 1 ,Yılmaz Emre 2-3 ,Mahmut Ali Gökçe 1 ,Filiz Özcan 1 ,Celal Erbaş 1 ,Adem Kurtoğlu 2

1 Çukurova University, Faculty of Fisheries, Department of Aquaculture, Adana, Turkey
2 Mediterranean Fisheries Research Production and Training Institute, Kepez Unit, 07192, Antalya, Turkey
3 Akdeniz University, Faculty of Sciences, Department of Biology, 07058, Campus, Antalya, Turkey
DOI : 10.4194/1303-2712-v15_2_31 Viewed : 3845 - Downloaded : 3633 In this study, the effects of different vegetable oil sources on growth and body chemical composition of white seabream (Diplodus sargus) juveniles were investigated. Four isonitrogenous (36%) and isolipidic (16%) experimental diets were formulated containing fish oil (FO) soybean oil (SO), canola oil (CO) and hazelnut oil (HO). Each experimental diet was fed to triplicate groups of 30 fish (initial mean weight 6 gram) for eight weeks. At the end of the study, final body weight and specific growth rate were found significantly different among groups (P<0.05). HO and CO groups had better growth rate when compared with other groups. The best feed utilization was found in group CO for all the experimental groups. CO and HO groups had the best protein and lipid utilization. The oil resources had an effect on fish whole body composition and hepato somatic index (HSI) values. Whole body lipid content in SO and HO groups were higher than that of FO group. The whole body fatty acid composition of fish reflected the fatty acid profiles of the feed. The results of this study suggest that SO, CO and HO can be used in fishmeal-based white seabream feed without any adverse effects in terms of growth and feed utilization. Keywords : White seabream, soybean oil, canola oil, hazelnut oil, growth