FSM substitution level (%)  
  Control (0) 5 10 20
Aspatic acid 2.97 ± 0.07a 3.20 ± 0.30a 3.17 ± 0.04a 3.58 ± 0.12b
*Threonine 1.54 ± 0.05a 1.66 ± 0.16ab 1.73 ± 0.21ab 1.82 ± 0.04b
Serine 1.85 ± 0.06a 2.02 ± 0.19ab 2.01 ± 0.10ab 2.23 ± 0.07b
Glutamic acid 3.78 ± 0.09a 4.12 ± 0.39a 4.08 ± 0.15a 4.60 ± 0.16b
Proline 1.59 ± 0.03a 1.73 ± 0.17a 1.67 ± 0.06a 1.97 ± 0.09b
Glycine 4.37 ± 0.11a 4.89 ± 0.45a 4.58 ± 0.11a 5.62 ± 0.33b
Alanine 3.11 ± 0.09a 3.41 ± 0.31a 3.18 ± 0.10a 3.79 ± 0.17b
Cystine 0.11 ± 0.00a 0.12 ± 0.03ab 0.13 ± 0.01ab 0.15 ± 0.01b
*Valine 1.61 ± 0.05a 1.74 ± 0.18ab 1.74 ± 0.03ab 1.93 ± 0.06b
*Methionine 0.81 ± 0.02a 0.86 ± 0.10a 0.86 ± 0.01a 0.97 ± 0.03b
*Isoleucine 1.23 ± 0.02a 1.32 ± 0.13a 1.31 ± 0.01a 1.46 ± 0.04b
*Leucine 2.22 ± 0.05a 2.37 ± 0.23a 2.34 ± 0.01a 2.60 ± 0.07b
*Tyrosine 0.57 ± 0.03a 0.61 ± 0.11a 0.67 ± 0.04a 0.76 ± 0.01b
*Phenylalanine 0.96 ± 0.02a 1.07 ± 0.11a 1.04 ± 0.05a 1.19 ± 0.04b
*Histidine 0.81 ± 0.02a 0.91 ± 0.07b 0.86 ± 0.01ba 0.93 ± 0.02b
*Lysine 1.72 ± 0.04a 1.86 ± 0.21a 1.94 ± 0.03a 2.25 ± 0.08b
Ammonia 2.28 ± 0.05a 2.42 ± 0.17ab 2.32 ± 0.07a 2.58 ± 0.11b
*Arginine 1.42 ± 0.04a 1.48 ± 0.18a 1.52 ± 0.02a 1.76 ± 0.07b
Total 32.96 ± 0.82a 35.80 ± 3.44a 35.17 ± 0.76a 40.18 ± 1.49b
*EAA 12.32 ± 0.31a 13.28 ± 1.35a 13.35 ± 0.34a 14.90 ± 0.45b
Data are mean ± SD. Values with different superscripts are significantly different (P<0.05).
nsNot significant.
*Essential amino acid.
Table 4: Total amino acid content of whole body in black rockfish (S. schlegeli) fed the test diets with various levels of FSM for 8 weeks (g/100 g).
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