Effects of Dietary Nucleotides on Amino Acid Profile of Rainbow Trout (Oncorhynchus mykiss) Muscle
Effects of different levels of dietary nucleotides (NT) were studied on muscle amino acid profile of rain bow trout with an average weight 11.35±0.32 over 8 weeks. This experimental was carried out in 700 L circular tanks with 40 fish per tank. NT was added to the diet at the rates of 0.0, 0.05, 0.1, 0.15 and 0.2%. Fish were fed 5 times a day at a rate of 3-5% body weight. After 8 weeks of feeding, the fish fed 0.2% NT showed higher SGR and WG (%) compared to the control group. No significant differences were observed in fish fed 0.2% NT compared to the fish fed 0.15% NT. The results showed that dietary supplementation of NT has significant effect on His, Arg, Thr, Val, Ilu, Leu, Phe, Lys, Glu, Ser, Gly, Tyr+Phe, TEAA and TNEAA. In fish fed 0.2% NT, total essential amino acid (EAA) content was significantly higher among the experimental groups.
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