Evaluation of the Optimal Protein Required in Granulated Microdiets for Rockfish (Sebastes schlegeli) Larvae

Table 3

Amino acid (AA) profiles of the main protein sources and experimental diets (% of dietary protein).

	Sardine meal	Hydrolyzed fish soluble	Krill meal	Experimental diets
				CP42	CP46	CP50	CP54	CP58	IV	LL	Crumble
Essential AA
Arginine	6.36	6.04	5.86	6.25	6.04	5.96	5.90	5.88	6.14	6.69	5.25
Histidine	2.27	1.90	1.98	2.24	2.22	2.25	2.23	2.20	2.34	3.22	2.29
Isoleucine	4.90	3.41	5.12	4.74	4.56	4.53	4.46	4.43	4.66	5.01	3.41
Leucine	8.23	5.81	7.84	7.71	7.46	7.44	7.29	7.27	7.54	8.34	6.09
Lysine	8.78	6.53	7.12	7.33	7.18	7.16	7.14	7.11	7.41	8.49	5.91
Methionine	3.53	2.66	2.77	2.76	2.62	2.70	2.71	2.75	3.04	3.05	2.54
Phenylalanine	4.99	3.51	4.44	4.29	4.13	4.12	4.06	3.99	4.34	4.48	3.34
Threonine	4.63	3.74	4.23	4.39	4.24	4.19	4.15	4.07	4.36	4.80	3.50
Valine	5.72	4.31	4.96	5.00	4.86	4.85	4.80	4.74	4.88	5.69	4.14
Nonessential AA
Alanine	6.20	6.25	5.19	5.94	5.81	5.81	5.76	5.76	5.38	6.53	5.39
Aspartic acid	10.69	8.28	10.12	9.76	9.42	9.30	9.21	9.07	9.88	10.47	7.57
Cysteine	1.22	0.81	0.68	0.94	0.90	0.99	0.94	1.01	0.88	1.07	0.80
Glutamic acid	13.76	11.60	12.67	14.55	13.94	13.72	13.47	13.11	14.48	14.34	12.13
Glycine	5.20	9.47	4.32	6.39	6.15	6.14	6.11	6.12	5.02	6.46	6.34
Proline	3.59	5.06	3.61	4.29	4.13	4.12	4.06	3.99	4.20	4.47	4.61
Serine	4.53	4.11	3.84	4.17	4.02	3.96	3.91	3.87	4.23	4.43	3.43
Tyrosine	3.43	2.27	2.12	3.84	3.66	3.64	3.56	3.52	4.05	3.20	2.29