Table 2.

The composition of the experimental diets and proximate chemical analysis during the growing period.

Treatments	C	Gr1	Gr2	Gr3	Gr 4
CP %	Standard protein 21.5%			20.5% CP	19.5% CP
Lysine content	1.29% Lys	1.40% (110% from basal ration)	1.53% (120% from basal ration)	1.29%	1.29%
Ingredients, %
Corn	61.17	61.17	61.17	64.20	67.26
Soybean meal, 44% CP	31.34	31.18	31	28.5	25.3
Corn gluten	3	3	3	3	3
Vegetable oil	2	2	2	1.7	1.7
Limestone	0.7	0.7	0.7	0.7	0.7
Dicalcium phosphate	0.97	0.97	0.97	0.97	0.97
NaCl	0.2	0.2	0.2	0.2	0.2
DL-Met	0.14	0.14	0.14	0.15	0.17
L-Lys HCL	0.23	0.39	0.57	0.33	0.45
Vitamin-Mineral Premix	0.25	0.25	0.25	0.25	0.25
Total	100	100	100	100	100
Nutritional Content
DM, %	87.74	87.59	87.43	87.59	87.45
CP, %	21.39	21.47	21.56	20.52	19.51
CF, %	2.61	2.60	2.59	2.56	2.51
Ash, %	4.55	5.08	4.74	4.32	4.7
EE, %	4.71	4.71	4.71	4.50	4.58
ME, Kcal/g	3.11	3.12	3.12	3.12	3.15
Total AA, %
Lys	1.29	1.40	1.53	1.29	1.29
Met	0.51	0.51	0.51	0.51	0.51
Met + cys	0.99	0.99	0.99	0.97	0.96
Thr	0.88	0.88	0.88	0.87	0.86
Val	1.01	1.01	1.01	1.00	1.00
Leu	1.42	1.42	1.42	1.41	1.41
Ileu	0.89	0.89	0.89	0.87	0.86
Arg	1.37	1.37	1.37	1.36	1.35

Vitamin and mineral premix, see Table 1.