GUMUS E, ERDOGAN F. Effects of Partial Substitution of Fish Meal with Tuna Liver Meal on the Fatty Acid Profile of Nile Tilapia Fry, Oreochromis niloticus. Kafkas Univ Vet Fak Derg, 16 (1): S283-S290, 2010. DOI: 10.9775/kvfd.2010.2216