Exp. group Mean initial weight (g)a Mean final weight (g)b SGR % g/dayc Mean initial body length [32]a Mean final body length [32]b SGR % cm/dayc
A x A 1.29 ± 0.35 49.85 ± 19.46 2.44 3.02 ± 0.38 11.84 ± 1.36 0.91
N x N 1.44 ± 0.37 165.27 ± 34.80 3.16 3.16 ± 0.32 17.18 ± 1.25 1.27
NF x NF 1.47 ± 0.26 240.47 ± 32.24 3.47 2.98 ± 0.34 19.88 ± 1.31 1.27
N x A 1.78 ± 0.27 146.67 ± 35.73 2.94 3.14 ± 0.22 16.55 ± 1.30 1.11
NF x A 1.47 ± 0.33 174.02 ± 31.09 3.18 2.97 ± 0.23 17.77 ± 1.29 1.19
aMeasured at the beginning of the growth period (one month).
bMeasured at the end of the growth period (six month).
cCalculated over the growth period from one to six months.
Table 2: Comparison of specific growth rates (SGR%) based on body length and weight difference betweenO. aureus (A), O. niloticus (N), O.niloticus (NF) and hybrid tilapia over a six-month periods.
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