Table 1. Experimental diets containing three levels of methionine supplementation for laying quail.

Ingredientes, %	T1	T2	T3
	100% Met+Cys (0.888%)	100+10%Met+Cys (0.977%)	100+20% Met+Cys (1.066%)
Corn, 788%	58.466	58.466	58.466
Soybean meal, 45%	30.071	30.071	30.071
Soyabean oil	0.906	0.906	0.906
Calcitic limestone	7.041	7.041	7.041
Dicalcium phosphate, 18.5%	1.142	1.142	1.142
Salt	0.326	0.326	0.326
L-Lisin HCl	0.342	0.342	0.342
L-Threonine	0.078	0.078	0.078
L-Tryptophan	0.040	0.040	0.040
Choline chloride, 60%	0.070	0.070	0.070
Mineral premix	0.050	0.050	0.050
Vitaminic Premix	0.025	0.025	0.025
Antioxidant	0.010	0.010	0.010
DL-Methionine	0.441	0.537	0.633
Starch	0.673	0.536	0.400
Inert	0.319	0.360	0.400
TOTAL, kg	100.00	100.00	100.00
Chemical composition
PB, %	18.80	18.80	19.00
EM, kcal/kg	2800	2800	2800
Met digestible, %	0.685	0.779	0.870
Met + Cis digestible, %	0.942	1.036	1.130
Lis digestible, %	1.148	1.148	1.148
Thre digestible, %	0.701	0.701	0.701
Val digestible, %	0.785	0.785	0.785
Trp digestible, %	0.241	0.241	0.241
Arg digestible, %	1.152	1.152	1.152
Ile digestible, %	0.717	0.717	0.717
Leu digestible, %	1.485	1.485	1.485
Calcium, %	2.99	2.99	2.99
Available match, %	0.31	0.31	0.31
Sodium, %	0.15	0.15	0.15
Chlorine, %	0.24	0.24	0.24
Potassium, %	0.72	0.72	0.72
BE, mEq/kg	179.00	179.00	179.00