Effects of total replacement of fish oil on growth performance, lipid metabolism and antioxidant capacity in tilapia (Oreochromis niloticus)

Five iso-nitrogenous (crude protein 32 %) and iso-energetic (gross energy 15 MJ kg−1) practical diets were formulated by totally replacing fish oil (FO) with soybean oil (SO), rapeseed oil (RO), linseed oil (LO) and pork lard (PL), respectively. These diets were fed to triplicate groups of 30 gift tilapia (Oreochromis niloticus) (mean initial weight 9 g). Fish were fed three times a day for 8 weeks at 26.5 ± 2.5 °C. The results showed that the...