Table 8. Mean values of body weight, gonadosomatic and hepatosomatic indices according to sexual genotype of the Kou and Tengrela Nile tilapia populations

Variables	Kou		Tengrela	p-value
	XYKn = 21	XXKn = 8	XXTn = 30
Body weight	76.21 ± 25.32a	85.57 ± 24.44ab	89.54 ± 10.42b	0.0233*
GSI (%)	0.13 ± 0.10a	0.15 ± 0.13a	0.24 ± 0.08b	0.0008***
HSI (%)	0.96 ± 0.62a	1.52 ± 0.98b	2.54 ± 0.57c	< 0.0001***

p-value of Analysis of Variance (ANOVA).
Mean values in the same line followed by different superscript letters indicate significant difference at 5% level.
p < 0.05,
p < 0.001.
GSI, gonadosomatic index; HIS, hepatosomatic index.