Table 4
Effect of feeding regime on growth performance of tilapia juveniles.
| Parameters† | Treatments | LSD* | |
|---|---|---|---|
|
|
|||
| 2/3 of the meal at the morning | 2/3 of the meal at the afternoon | ||
| W1, g | 3.85 | 3.85 | – |
| L2, cm | 10.57 ± 0.15 | 10.43 ± 0.13 | 0.360 |
| W2, g | 22.41a ± 0.27 | 20.88b ± 0.75 | 1.320 |
| WG, g | 18.56a ± 0.27 | 17.03b ± 0.67 | 1.320 |
| ADG, g day−1 | 0.364a ± 0.01 | 0.333b ± 0.01 | 0.031 |
| RGR, % | 482.20a ± 7.21 | 442.50b ± 17.54 | 34.330 |
| SGR, % day−1 | 3.45a ± 0.02 | 3.31b ± 0.06 | 0.120 |
| CF, % | 1.87 ± 0.09 | 1.84 ± 0.06 | 0.200 |
| SR, % | 94.44 ± 2.47 | 96.84 ± 2.07 | 5.840 |
| HSI, % | 4.39 ± 0.24 | 5.22 ± 0.48 | 0.980 |
| VSI, % | 10.12 ± 0.66 | 9.3 ± 0.78 | 1.850 |
| FI, g fish−1 | 20.80a ± 0.47 | 19.14b ± 0.45 | 1.170 |
| FCR | 1.11 ± 0.01 | 1.14 ± 0.04 | 0.081 |
| PER | 2.51 ± 0.02 | 2.46 ± 0.94 | 0.181 |
| EER | 0.0405 ± 0.001 | 0.040 ± 0.001 | 0.003 |
Values are means ± S.E. of triplicate groups of three tank. (a and b) Average in the same row having different superscripts significantly different at (P ≤ 0.05).
†Weight gain (WG), average daily gain (ADG), Relative growth rate (RGR), specific growth rate (SGR), condition factor (CF), survival rate (SR), Hepatosomatic index (HSI), Viscerosomatic index (VSI), Feed intake (FI), feed conversion ratio (FCR), protein efficiency ratio (PER) and energy efficiency ratio (EER).
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