Table 4.

Basal diets composition and nutrient profile (Exp. 3)

Ingredients (%)	Phase I	Phase II	Phase III	Phase IV	Phase V
Corn	57.91	63.88	67.65	77.43	69.77
Dried distillers grain with solubles	20.00	20.00	20.00	10.00	16.68
Soybean meal	17.83	11.86	8.12	8.00	10.00
Choice white grease	1.93	1.93	1.93	2.19	1.00
Limestone	1.06	1.09	1.10	0.90	0.87
Sodium chloride	0.50	0.50	0.50	0.50	0.50
L-lysine-HCL, 78%	0.40	0.40	0.38	0.32	0.40
Threonine	0.11	0.09	0.07	0.06	0.12
Alimet1	0.07	0.03	0.00	0.00	0.07
Mono calcium phosphate	0.04	0.07	0.10	0.45	0.40
Mineral and vitamin premix2	0.13	0.13	0.13	0.13	0.13
Phytase	0.02	0.02	0.02	0.02	0.02
Ractopamine hydrochloride					0.04
Calculated nutrient profile
ME (kcal/kg)	3,400	3,400	3,400	3,428	3,374
CP (%)	19.30	16.85	15.34	13.34	17.00
Ca (%)	0.5	0.5	0.5	0.5	0.5
Available P (%)	0.3	0.2	0.2	0.2	0.2
Standardized ileal digestible Lys (%)	1.00	0.85	0.74	0.67	0.95
Met/Lys	58	64	68	72	66
Thr/Lys	65	65	65	65	65
Trp/Lys	16	15	15	15	15

¹Alimet: Brand name of 2-hydroxy-4-methylthio butanoic acid.

²Provided per kg of final diet: vitamin A 10,000 IU; vitamin D 8,800 IU; vitamin E 220 IU; vitamin K 22 mg; vitamin B₁₂ 19.25 mg; niacin 250 mg; pantothenic acid 137 mg; riboflavin 41.25 mg; I 0.26 mg; Fe 140 mg; Mn 30 mg; Se 0.25 mg; and Zn 140 mg.