Table 7.

Composition of the basal diets for chickens

Ingredienta	Starter diet (%) 1 to 21d	Finisher diet (%) 22 to 42 d
Ground yellow corn	56.0	59.5
Soybean meal	37.0	32.85
Soybean oil	3.66	4.7
Ground limestone	0.57	0.5
Dicalcium phosphate	1.8	1.6
Salt	0.3	0.3
Choline chloride	0.1	0.1
DL-Methionine	0.24	0.12
Micronutrientsb	0.33	0.33
Calculated nutrients level (%)
Metabolic energy (MJ kg-1)	12.39	12.79
Crude protein	21.17	19.72
Lys	1.19	1.08
Met	0.50	0.40
Met + Cys	0.86	0.74
Ca	0.85	0.77
Nonphytate P	0.44	0.40

^aIngredient and nutrient composition are reported on as-fed basis

^bMicronutrients are provided per kilogram of diet: vitamin A (all-trans retinol acetate), 12 500 IU; cholecalciferol, 2 500 IU; vitamin E (all-rac-a-tocopherol acetate), 18.75 IU; vitamin K (menadione Na bisulfate), 5.0 mg; thiamin (thiamin mononitrate), 2.5 mg; riboflavin, 7.5 mg; vitamin B6, 5.0 mg; vitamin B12, 0.0025 mg; pantothenate, 15 mg; niacin, 50 mg; folic acid, 1.25 mg; biotin, 0.12 mg; Cu (CuSO₄ · 5H₂O), 10 mg; Mn (MnSO₄ · H₂O), 100 mg; Zn (ZnSO₄ · 7H₂O), 100 mg; Fe (FeSO₄ · 7H₂O), 100 mg; I (KI), 0.4 mg; Se (Na₂SeO₃), 0.2 mg