Table 2 Carcass composition of rainbow trout, Oncorhynchus mykiss fingerlings fed diets containing varying levels of dietary valine for 8-weeks (mean values of 3 replicates + SEM; n = 3)*.
Dietary val levels (g kg−1) | ||||||||
---|---|---|---|---|---|---|---|---|
Initial | 10.5 | 13.0 | 15.5 | 18.0 | 20.5 | 23.0 | P-value | |
Moisture (%) | 78.51 ± 0.47 | 77.76 ± 0.28a | 76.50 ± 0.22b | 74.49 ± 0.23c | 72.80 ± 0.18d | 72.56 ± 0.19d | 72.10 ± 0.24e | 0.00107 |
Protein (%) | 13.51 ± 0.15 | 12.16 ± 0.08f | 13.42 ± 0.10e | 15.22 ± 0.12d | 17.45 ± 0.14a | 16.64 ± 0.70b | 16.02 ± 0.80c | 0.01346 |
Fat (%) | 3.52 ± 0.06 | 5.34 ± 0.07f | 5.84 ± 0.04e | 6.13 ± 0.07d | 6.56 ± 0.06c | 7.25 ± 0.09b | 7.65 ± 0.08a | 0.00214 |
Ash (%) | 2.66 ± 0.05 | 3.27 ± 0.08a | 2.76 ± 0.06b | 2.34 ± 0.06c | 2.10 ± 0.05c | 2.24 ± 0.05c | 2.30 ± 0.04c | 0.01388 |