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Table 7 Amino acid composition (%) of the whole body in juvenile Korean rockfish fed diets containing various levels of tuna by-product meal for 12 weeks

From: Tuna by-product meal as a dietary protein source replacing fishmeal in juvenile Korean rockfish Sebastes schlegeli

  Diets
Con TBM25 TBM50 TBM75 TBM100
Indispensable amino acids
 Arginine 1.07 ± 0.03ns 0.91 ± 0.01 0.96 ± 0.03 0.97 ± 0.09 0.96 ± 0.08
 Cysteine 0.18 ± 0.00ns 0.17 ± 0.02 0.16 ± 0.00 0.18 ± 0.02 0.14 ± 0.01
 Histidine 0.39 ± 0.01ns 0.34 ± 0.00 0.34 ± 0.01 0.34 ± 0.03 0.36 ± 0.03
 Isoleucine 0.67 ± 0.01ns 0.57 ± 0.04 0.65 ± 0.02 0.66 ± 0.06 0.75 ± 0.14
 Leucine 1.15 ± 0.00ns 0.98 ± 0.04 1.08 ± 0.03 1.10 ± 0.09 1.01 ± 0.04
 Lysine 1.27 ± 0.01ns 1.11 ± 0.03 1.17 ± 0.03 1.21 ± 0.10 1.17 ± 0.09
 Methionine 0.50 ± 0.02ns 0.48 ± 0.04 0.55 ± 0.00 0.50 ± 0.05 0.50 ± 0.03
 Phenylalanine 0.74 ± 0.05ns 0.63 ± 0.04 0.69 ± 0.02 0.64 ± 0.07 0.64 ± 0.05
 Threonine 0.74 ± 0.01ns 0.62 ± 0.01 0.68 ± 0.02 0.66 ± 0.06 0.66 ± 0.06
 Valine 0.76 ± 0.02ns 0.63 ± 0.04 0.73 ± 0.02 0.73 ± 0.07 0.66 ± 0.01
Dispensable amino acids
 Alanine 1.05 ± 0.09ns 0.92 ± 0.03 1.01 ± 0.04 1.01 ± 0.08 0.81 ± 0.12
 Aspartate 1.65 ± 0.01ns 1.38 ± 0.03 1.51 ± 0.04 1.51 ± 0.14 1.46 ± 0.12
 Glutamate 2.20 ± 0.02ns 1.89 ± 0.03 2.01 ± 0.05 2.02 ± 0.19 2.05 ± 0.17
 Glycine 1.47 ± 0.08ns 1.18 ± 0.07 1.26 ± 0.08 1.24 ± 0.09 1.28 ± 0.10
 Proline 0.87 ± 0.04ns 0.78 ± 0.05 0.81 ± 0.05 0.76 ± 0.04 0.84 ± 0.09
 Serine 0.79 ± 0.02ns 0.67 ± 0.02 0.72 ± 0.03 0.70 ± 0.06 0.72 ± 0.06
 Tyrosine 0.57 ± 0.03ns 0.50 ± 0.03 0.55 ± 0.02 0.54 ± 0.06 0.52 ± 0.05
  1. Values are the mean ± SE of three replications
  2. nsNot significant (P > 0.05)