Table 2.

Amino acid composition of the experimental diets (% dry diet) and fish muscle (relative to 384.7 g kg⁻¹ protein)¹

Amino Acid	Dietary Leu Level (g kg−1 Diet)							384.7 g kg−1 Muscle Protein
	10	15	20	25	30	35	40
Essential amino acid
Threonine	1.93	1.89	1.95	1.94	1.90	1.87	1.93	1.94
Valine	1.34	1.38	1.41	1.36	1.39	1.42	1.43	1.40
Methionine	1.26	1.25	1.19	1.23	1.23	1.25	1.22	1.21
Isoleucine	1.17	1.14	1.12	1.16	1.20	1.18	1.17	1.18
Leucine	1.11	1.48	2.02	2.52	3.04	3.57	4.02	2.53
Phenylalanine	1.81	1.79	1.80	1.82	1.75	1.83	1.76	1.77
Histidine	0.84	0.76	0.80	0.82	0.79	0.81	0.85	0.83
Lysine	2.61	2.59	2.62	2.57	2.65	2.58	2.55	2.62
Arginine	2.57	2.55	2.47	2.60	2.58	2.61	2.49	2.53
Nonessential amino acid
Aspartic acid	4.41	4.50	4.62	4.55	4.48	4.68	4.60	4.56
Serine	1.91	1.93	1.87	1.95	2.01	1.94	2.05	1.97
Glutamic acid	6.82	6.77	6.68	6.71	6.75	6.69	6.66	6.62
Glycine	2.22	2.28	2.26	2.30	2.32	2.29	2.25	2.21
Alanine	2.73	2.85	2.80	2.78	2.71	2.90	2.87	2.82
Cystine	0.21	0.20	0.19	0.25	0.18	0.21	0.17	0.23
Tyrosine	1.51	1.51	1.47	1.45	1.55	1.56	1.49	1.50
Proline	1.44	1.48	1.51	1.57	1.48	1.50	1.53	1.46

¹ Values are means from duplicate samples of experimental diets and fish muscle.