Table 1. Ingredient composition and nutrient content of the experimental diets

Ingredients (%)	Phytase (ppm)	1,000			800			500
	CP (%)	22	21	20	22	21	20	22	21	20
Corn		38.75	40.64	42.64	38.81	40.70	42.70	38.80	40.63	42.68
Wheat		5.60	5.60	5.60	5.60	5.60	5.60	5.60	5.60	5.60
Wheat bran		12.99	13.60	14.23	12.99	13.60	14.23	12.99	13.67	14.23
Soybean meal		27.05	25.07	22.90	27.05	25.07	22.90	27.05	25.07	22.90
Corn gluten meal		6.15	5.47	4.97	6.15	5.47	4.97	6.15	5.47	4.97
Soybean oil		5.13	5.17	5.12	5.13	5.17	5.12	5.13	5.16	5.12
Limestone		1.15	1.15	1.15	1.15	1.15	1.15	1.15	1.15	1.16
Dicalcium phosphate		1.70	1.70	1.70	1.70	1.70	1.70	1.70	1.70	1.70
Lysine		0.42	0.47	0.52	0.42	0.47	0.52	0.42	0.47	0.52
Methionine		0.23	0.25	0.25	0.23	0.25	0.25	0.23	0.25	0.25
Vit.-Min. Premix1		0.30	0.30	0.30	0.30	0.30	0.30	0.30	0.30	0.30
Salt		0.25	0.25	0.25	0.25	0.25	0.25	0.25	0.25	0.25
Threonine		0.18	0.23	0.27	0.18	0.23	0.27	0.18	0.23	0.27
Phytase (ppm)		1,000	1,000	1,000	800	800	800	500	500	500
Calculated analysis
ME (kcal/kg)		3,026	3,027	3,026	3,026	3,027	3,026	3,026	3,027	3,027
CP (%)		22.02	21.01	20.01	22.02	21.01	20.02	22.02	21.02	20.02
Lysine (%)		1.45	1.45	1.44	1.45	1.45	1.44	1.45	1.45	1.44
Calcium (%)		0.98	0.97	0.96	0.98	0.97	0.97	0.98	0.97	0.97
Available phosphorus (%)		0.48	0.47	0.47	0.48	0.47	0.47	0.48	0.48	0.47

Supplied per kilogram of diet: vitamin A, 1,600,000 IU; vitamin D₃, 300,000 IU; vitamin E, 800 IU; vitamin B₁, 97 mg; vitamin B₂, 500 mg; vitamin B₆, 200 mg; vitamin B₁₂, 1.2 mg; vitamin K₃, 132 mg; choline chloride, 35,000 mg; nicotinic acid, 2,000 mg; pantothenic acid, 800 mg; folic acid, 60 mg; manganese, 12,000 mg; zinc, 9,000 mg; iron, 4,000 mg; copper, 500 mg; iodine, 250 mg; cobalt, 100 mg; selenium, 50 mg.