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The earthworm amino acids and the effect of earthworm ingredient form were investigated on African snakehead fingerlings (Parachanna obscura) reared in captivity for 42 days. Feed utilization, growth parameters, whole body composition and survival rate were measured. A total of 180 fingerlings of Parachanna obscura (mean weight: 2.77± 0.15g) were provided by the Laboratory of Wetland Research. The fingerlings were fed with diet containing earthworm meal, frozen and living form. The fish werefatcat:kvnwdodp6zadtd2k2by6ydkare