Table 6. Effects of diets on fish growth and biometrics.

	Control	Fish oil			Algae meal			P
		1%	3%	5%	1.75%	5.26%	8.77%
Tilapia performance
Survival (%)	98.0 ± 1.4	100 ± 0.0	98.0 ± 1.4	100 ± 0.0	100 ± 0.0	100 ± 0.0	100 ± 0.0	0.2020
Initial weight (g)	161.4 ± 0.4	156.9 ± 1.3	156 ± 1.1	158.1 ± 0.4	161.7 ± 1.1	154.6 ± 2.2	156.6 ± 0.9	0.1344
4 week weight (g)	330.6 ± 3.0	315.9 ± 7.1	315.6 ± 1.4	335.0 ± 0.2	333.0 ± 4.2	328.8 ± 18.0	310.5 ± 9.2	0.8554
8 week weight (g)	521.3 ± 12.5	504.5 ± 7.3	513.4 ± 10.5	539.7 ± 12.7	561.7 ± 3.2	521.3 ± 45.2	484.0 ± 18.5	0.4356
Average weight gain (g/Week)	45.0 ± 1.6	43.4 ± 0.9	44.7 ± 1.3	47.7 ± 1.6	50.0 ± 0.4	45.8 ± 5.6	40.9 ± 2.3	0.5214
FCR	1.46 ± 0.01	1.31 ± 0.01	1.31 ± 0.0	1.24 ± 0.03	1.26 ± 0.05	1.30 ± 0.12	1.37 ± 0.06	0.3982
Biometrics at 8 weeks
Fillet yield	45.3 ± 0.6	45.0 ± 0.5	43.8 ± 0.6	44.3 ± 0.6	43.9 ± 0.7	44.6 ± 0.6	43.6 ± 0.7	0.1467
Hepatosomatic index	1.60 ± 0.06	1.52 ± 0.08	1.61 ± 0.09	1.59 ± 0.13	1.61 ± 0.07	1.65 ± 0.09	1.71 ± 0.10	0.5218
Viscerasomatic index	3.04 ± 0.28	2.83 ± 0.29	2.97 ± 0.20	2.61 ± 0.24	2.64 ± 0.33	3.06 ± 0.24	2.90 ± 0.14	0.7490
Mesenteric fat index	0.87 ± 0.06	0.98 ± 0.10	1.03 ± 0.18	1.05 ± 0.07	1.17 ± 0.14	0.85 ± 0.15	0.87 ± 0.13	0.6473

Mean values with standard errors and one-way ANOVA statistics.