A feeding trial was conducted to evaluate the effects of nucleotide (NT) supplementation in diet onimmune responses and disease resistance of juvenile hybrid tilapia, Oreochromis niloticus × Oreochromisaureus. Nucleotide was added at 0, 120, 240, 360, 480 and 600 mg NT/kg to low fish meal (6%) and highsoybean meal (56%) basal diet for a total of 6 experimental diets. Each diet was fed to tripl…