Parameters Stocking densities (fish/m3)
T50 T75 T100 T125
Initial length (cm) 9.15 ± 0.05a 9.16 ± 0.06a 9.17 ± 0.05a 9.16 ± 0.04a
Final length (cm) 23.10 ± 6.17a 21.84 ± 5.81b 20.72 ± 6.52b 18.48 ± 7.96c
Initial weight (g) 15.20 ± 0.15a 15.21 ± 0.14a 15.21± 0.13a 15.20± 0.14a
Final weight (g) 255.53 ± 16.36a 227.24 ± 15.05b 206.36 ± 14.06c 172.62 ± 14.89d
Weight gain (g) 240.33 ± 5.86a 212.03 ± 4.73b 191.15 ± 3.68c 157.42 ± 3.92d
Weight gain (%) 1581.12 ± 6.32a 1394.02 ± 7.16b 1256.74 ± 7.55c 1035.70 ± 9.23d
Average daily weight gain (g) 2.01a 1.76b 1.59c 1.31d
Specific growth rate (%) 2.35a 2.25b 2.17c 2.02d
Feed conversion ratio (FCR) 1.81c 1.92b 1.97b 2.05a
Survival rate (%) 96.8a 92.6a 91.2a 83.1b
Gross fish yield
(kg/cage/120 days)
223a 284b 339c 323c
Net fish yield
(kg/m3/120 days)
12.4a 15.8b 18.8c 17.9c
Values are means from triplicate groups (n=3) of fish where the values in each row with different superscripts are significantly different (P<0.05)
Table 3: Growth performance, survival, feed utilization and yield of monosex tilapia in cages after 120 days of experimental period..