Table 11.

D 48 plasma amino acids (µmol/L) of Ross 708 male broilers fed reduced CP diets supplemented with Gly from 0 to 48 d post-hatch in experiment 2.¹

Item	Treatments2				SEM	P-values
	LCP88	LCP100	LCP112	LCP124		Linear	Quadratic
Met	152	143	119	143	7.8	0.144	0.041
Cys	34	29	26	29	2.0	0.063	0.068
Lys	142	107	113	117	14.1	0.284	0.181
Thr	570	529	504	593	38.0	0.785	0.096
Val	157	145	138	155	10.6	0.779	0.185
Ile	78	77	71	81	6.5	0.905	0.377
Leu	165	166	156	165	11.1	0.865	0.723
Arg	352	366	278	325	21.2	0.077	0.421
Gly	442	685	692	1,150	46.6	< 0.001	0.028
Ser	474	460	455	604	36.9	0.026	0.035
Asp	32	29	30	32	2.5	0.974	0.315
Glu	165	151	138	143	8.7	0.051	0.304
Ala	800	779	634	750	49.2	0.191	0.175
Pro	430	418	368	450	22.8	0.941	0.046
Trp	1,183	726	430	569	290.5	0.092	0.292
Phe	133	129	117	121	8.6	0.228	0.680
Tyr	260	239	202	231	14.4	0.063	0.086
His	27	26	23	24	1.7	0.114	0.332

Abbreviation: LCP, low crude protein.

¹Values are least square means of 9 replicate pens. ²The LCP88, LCP100, LCP112, and LCP124 had an 88, 100, 112, and 124% increase in tGly + Ser, respectively, compared to the RCP diet.