Table 2. Analyzed amino acid compositions of experimental diets (%)

Inclusion rate (%)	Dietary SID methionine concentration (%)
	0.40	0.45	0.50	0.55	0.60	0.65
Indispensable amino acid
Arginine	1.19	1.24	1.23	1.19	1.17	1.21
Histidine	0.45	0.46	0.45	0.45	0.44	0.44
Isoleucine	0.75	0.78	0.78	0.76	0.75	0.77
Leucine	1.23	1.25	1.31	1.24	1.20	1.23
Lysine	1.14	1.18	1.19	1.20	1.17	1.17
Methionine	0.39	0.43	0.50	0.55	0.59	0.61
Phenylalanine	0.70	0.74	0.76	0.74	0.71	0.73
Threonine	0.70	0.71	0.75	0.73	0.70	0.71
Valine	0.94	0.95	0.96	0.94	0.92	0.94
Dispensable amino acid
Alanine	0.69	0.72	0.74	0.72	0.69	0.71
Aspartic acid	1.38	1.46	1.53	1.46	1.39	1.45
Cysteine	0.46	0.43	0.43	0.44	0.45	0.44
Glutamic acid	6.26	6.34	6.19	6.24	6.27	6.22
Glycine	0.57	0.60	0.62	0.60	0.58	0.60
Proline	0.86	0.89	0.90	0.88	0.84	0.87
Serine	0.66	0.68	0.76	0.73	0.65	0.68
Tyrosine	0.46	0.48	0.50	0.47	0.43	0.48

SID, standardized ileal digestible.