Table 1.

Composition of experimental diets

Items	Dietary treatments
	Ca (%)	0.60	0.60	1.10	1.10
	nPP (%)	0.27	0.50	0.27	0.50
	Ca:nPP	2.22	1.20	4.07	2.20
Ingredient (%)
Corn		53.68	53.68	53.68	53.68
Soybean meal (CP, 45%)		37.68	37.68	37.68	37.68
Soybean oil		3.82	3.82	3.82	3.82
Limestone		0.77	-	2.20	1.44
Dicalcium phosphate (DCP)		0.81	2.16	0.81	2.16
Zeolites		2.07	1.49	0.64	0.06
Salt (NaCl)		0.30	0.30	0.30	0.30
Choline chloride (50%)		0.30	0.30	0.30	0.30
DL-methionine		0.21	0.21	0.21	0.21
Mineral premix2		0.20	0.20	0.20	0.20
Aureomycin		0.10	0.10	0.10	0.10
Antioxidant		0.03	0.03	0.03	0.03
Vitamin premix1		0.03	0.03	0.03	0.03
Calculated composition (%)
Metabolizable energy (Mcal/kg)		2.95	2.95	2.95	2.95
Crude protein		21.05	21.05	21.05	21.05
Lysine		1.13	1.13	1.13	1.13
Methionine		0.51	0.51	0.51	0.51
Threonine		0.80	0.80	0.80	0.80
Tryptophan		0.25	0.25	0.25	0.25
Calcium		0.62	0.62	1.10	1.10
Total phosphorus		0.52	0.75	0.52	0.75
Nonphytate phosphorus		0.27	0.50	0.27	0.50
Analyzed composition (%)
Calcium		0.59	0.60	1.05	1.06
Total phosphorus		0.54	0.73	0.53	0.74

¹Vitamin premix provided per kilogram of diet: retinyl acetate, 12,500 IU; cholecalciferol, 2,500 IU; DL-α-tocopheryl acetate, 18.75 mg; menadionesodium bisulfate, 2.65 mg; sulfamide, 2 mg; riboflavin, 6 mg; vitamin B₁₂, 0.025 mg; biotin, 0.0325 mg; folic acid, 1.35 mg; D-calcium-pantothenate, 12 mg; nicotinic acid, 50 mg.

²Trace mineral premix provided per kilogram of diet: Fe, 80 mg from iron sulfate; Mn, 60 mg from manganese oxide; Se, 0.30 mg from sodium selenite; I, 0.35 mg from ethylene diamine dihydroiodine.