Parameters TCLE0 TCLE25 TCLE50 TCLE75 TCLE100
Initial body weight (g/snail) 0.11 ± 0.01 0.11 ± 0.01 0.11 ± 0.01 0.11 ± 0.01 0.11 ± 0.01
Final body weight (g/snail) 2.84 ± 0.06 3.00 ± 0.08 3.31 ± 0.07 4.19 ± 0.11 4.91 ± 0.09
Body weight gain (g/snail) 2.74 ± 0.06a 2.90 ± 0.08a 3.21 ± 0.07b 4.09 ± 0.05c 4.81 ± 0.09d
Absolute growth (g mo-1) 0.55 ± 0.01a 0.58 ± 0.01a 0.64 ± 0.01b 0.82 ± 0.01c 0.96 ± 0.02d
Specific growth rate (% day-1) 2.16 ± 0.01a 2.19 ± 0.01a 2.27 ± 0.01b 2.42 ± 0.01c 2.53 ± 0.01d
Total food intake (g) 1110 ± 5.81 1121 ± 8.04 1124 ± 13.13 1156 ± 8.45 1187 ± 10.08d
Food conversion rate 1.34 ± 0.05a 1.22 ± 0.04b 1.17 ± 0.02b 0.87 ± 0.03c 0.99 ± 0.02
Protein efficiency ratio 1.65 ± 0.07a 1.66 ± 0.02a 1.89 ± 0.08b 2.35 ± 0.06c 2.71 ± 0.07d
Final survival rate (%) 94.2 ± 1.63 94.2 ± 1.19 94.3 ± 2.44 94.6 ± 1.23 94.4 ± 1.01
Remarks:
TCLE0=Fishmeal 100% and tuna-cooking liquid effluent 0%
TCLE25=Fishmeal 75% and tuna-cooking liquid effluent 25%
TCLE50=Fishmeal 50% and tuna-cooking liquid effluent 50%
TCLE75=Fishmeal 25% and tuna-cooking liquid effluent 75%
TCLE100=Fishmeal 0% and tuna-cooking liquid effluent 100%
Value within the same column followed by different letter superscripts were significantly different (P<0.05).
Values are means of three replicates per treatment.
Table 2: Growth performance of hatchery-reared juvenile B. areolata fed experimental diets containing 5 levels of tuna-cooking liquid effluent for 150 days. Values within the same row with different superscripts are significantly different (P<0.05)
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