Effects of Supplemental Dietary L-carnitine on the Growth of Nile Tilapia (Oreochromis niloticus) in Cage Conditions

Authors : Suat DİKEL, M Vedat ALEV, Gül A KİRİŞ, Mehmet ÇELİK

Pages : 663-669

View : 21 | Download : 5

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :The effect of L-carnitine supplement on the growth performance of Nile tilapia insert ignore into journalissuearticles values(Oreochromis niloticus); fingerlings was investigated. One group was fed normal commercial grow-out feed insert ignore into journalissuearticles values(the control group); while the other group was given feed containing 500 mg kg-1 L-carnitine. The addition of carnitine insert ignore into journalissuearticles values(the second group); had a positive effect on growth insert ignore into journalissuearticles values(7.9% higher than the control group);. According to the final results, the carnitine-supplemented group had greater final weights insert ignore into journalissuearticles values(151.86 ± 27.19 g); than those of the control group insert ignore into journalissuearticles values(141.80 ± 24.83 g); insert ignore into journalissuearticles values(P < 0.05);. This enhancement in growth was not due to a better feed conversion ratio insert ignore into journalissuearticles values(1.16 ± 0.31 vs. 1.20 ± 0.28); insert ignore into journalissuearticles values(P > 0.05);. At the end of the feeding period of 90 days, 9.67% less feed containing L-carnitine was consumed by fish as compared to the control diet. The carnitine-supplemented diet promoted rapid growth insert ignore into journalissuearticles values(7.77% more than the control diet);. The final total weight of the carnitine-fed group was also greater insert ignore into journalissuearticles values(10.022 ± 0.83 kg m-3); than that of the control group insert ignore into journalissuearticles values(8.933 ± 0.91 kg m-3); insert ignore into journalissuearticles values(P > 0.05);.
Keywords : L carnitine, Nile tilapia, Oreochromis niloticus