Table 1.

Composition of the basal diets for broilers.

Ingredient1	Starter	Grower
(% unless noted)	(days 1∼21)	(days 22∼42)
Ground yellow corn	53.00	57.72
Corn starch	0.50	0.50
Soybean meal	39.80	35.10
Soybean oil	2.70	3.50
Calcium monohydrogen phosphate	1.94	1.24
Ground limestone	1.20	1.34
Salt	0.30	0.30
D, L-Methionine	0.20	0.07
Micronutrients2	0.36	0.23
Nutrient composition1, %
DM3	89.80	89.50
ME, MJ/kg	12.41	12.83
CP3	21.38	20.79
Lysine	1.19	1.08
Methionine	0.53	0.38
Methionine + cysteine	0.89	0.72
Ca3	1.02	0.92
Nonphytate P	0.48	0.35
Mn3, mg/kg	126	124
Fe3, mg/kg	256	242
Cu3, mg/kg	17.10	16.20
Zn3, mg/kg	35.55	32.79

¹Ingredient and nutrient composition are reported on an as-fed basis.

²For starter diets, provided per kg of diet: vitamin A (as all-trans retinol acetate), 15,000 IU; cholecalciferol, 4,500 IU; vitamin E (as all-rac-alpha-tocopherol acetate), 22.5 IU; vitamin K (as menadione sodium bisulfate), 3.0 mg; thiamin (as thiamin mononitrate), 3.0 mg; riboflavin, 10.5 mg; vitamin B₆, 3.0 mg; vitamin B₁₂, 0.015 mg; calcium pantothenate, 15 mg; niacin, 39 mg; folic acid, 1.5 mg; biotin, 0.189 mg; choline (as choline chloride), 700 mg; Cu (CuSO₄•5H₂O), 8 mg; Fe (FeSO₄•H₂O), 80 mg; Mn (Mn SO₄•7H₂O), 100 mg; I (KI), 0.35 mg; Se (Na₂SeO₃), 0.15 mg.

For grower diets, provided per kilogram of diet: vitamin A (all-trans-retinol acetate), 10,000 IU; cholecalciferol, 3,000 IU; vitamin E (all-rac-α-tocopherol acetate), 15 IU; vitamin K (menadione sodium bisulfate), 2.0 mg; thiamin (thiamin mononitrate), 2.0 mg; riboflavin, 7.0 mg; vitamin B₆, 2.0 mg; vitamin B₁₂, 0.010 mg; calcium pantothenate, 10 mg; niacin, 26 mg; folic acid, 1.0 mg; biotin, 0.126 mg; choline (choline chloride), 500 mg; Cu (CuSO₄•5H₂O), 8 mg; Fe (FeSO₄•H₂O), 80 mg; Mn (Mn SO₄•7H₂O), 100 mg; I (KI), 0.35 mg; Se (Na₂SeO₃), 0.15 mg.

³Determined by analysis. Each value based on duplicate determinations.