Table 2. Growth Performance and Feed Utilization of O. niloticus by Feeding Experimental Diet with Various Forms of Cu for 60 Days^a.

experimental diets	WG (%)	FE (%)	CF (g/cm3)	VSI (%)	HSI (%)	Survival (%)
Cu-basic diet	234.1 ± 50.5	85.8 ± 18.5	2.05 ± 0.12	8.46 ± 0.78	1.94 ± 0.41	100
CuSO4 diet	237.9 ± 37.1	85.5 ± 13.3	1.96 ± 0.19	8.87 ± 0.90	2.11 ± 0.41	100
NCM-Cu diet	225.0 ± 34.8	82.2 ± 12.6	2.01 ± 0.16	8.65 ± 0.95	2.16 ± 0.53	100

^aWG: weight gain; FE: feeding efficiency; CF: condition factor; VSI: viscerosomatic index; HSI: hepatosomatic index.