Table 2. Survival, weight gain and specific growth rate (SGR) of rockfish fed the experimental diets containing various concentrations of jack mackerel meal (JMM) for 8 weeks

Experimental diets Initial weight (g/fish) Final weight (g/fish) Survival (%) Weight gain (g/fish) SGR1) (%/day)
JMM0 5.3 ± 0.00 23.1 ± 0.06e 100.0 ± 0.00 17.8 ± 0.07e 2.64 ± 0.006e
JMM1 5.3 ± 0.01 24.3 ± 0.02d 100.0 ± 0.00 19.0 ± 0.03d 2.72 ± 0.005d
JMM3 5.3 ± 0.00 24.8 ± 0.05c 100.0 ± 0.00 19.5 ± 0.05c 2.76 ± 0.004c
JMM5 5.3 ± 0.01 26.0 ± 0.04b 100.0 ± 0.00 20.7 ± 0.03b 2.84 ± 0.002b
JMM10 5.3 ± 0.01 28.1 ± 0.08a 100.0 ± 0.00 22.8 ± 0.07a 2.98 ± 0.003a
Values (means of triplicate ± SE) in the same column with same superscript letter are not significantly different (p > 0.05).
SGR (%/day) = (Ln final weight of fish – Ln initial weight of fish) × 100 / days of feeding trial.