Table 4.

Amino acid composition of the experimental diets (% dry matter).

Item	Diets1
	C0	C25	C50	C75	C100
Methionine	0.89	0.89	0.80	0.73	0.64
Lysine	3.09	3.29	3.04	2.94	2.47
Threonine	1.73	1.86	1.85	1.84	1.72
Isoleucine	1.92	2.00	1.99	1.93	1.73
Histidine	1.33	1.38	1.33	1.22	1.10
Valine	1.97	2.18	2.21	2.24	2.10
Leucine	3.66	3.97	4.00	4.11	3.88
Arginine	1.94	2.13	2.12	2.14	1.99
Phenylalanine	2.10	2.21	2.23	2.26	2.24
Aspartic acid	3.64	3.86	3.83	3.76	3.43
Serine	1.85	1.97	1.97	1.93	1.80
Glutamic acid	7.61	8.08	8.13	7.97	7.24
Glycine	2.31	2.45	2.48	2.40	2.21
Alanine	2.58	2.80	2.89	3.02	2.86
Cysteine	0.35	0.31	0.31	0.33	0.32
Proline	2.51	2.56	2.61	2.68	2.54
Tyrosine	1.36	1.48	1.42	1.49	1.37

¹C0, C25, C50, C75, and C100 represent diets in which Chlorella meal replaced fish meal levels of 0%, 25%, 50%, 75%, and 100%, respectively.