Table 5.

Analyzed nutrient composition of experimental diets containing 0.35% phytate-bound P, as-fed basis

	PhyG, FTU1/kg					PhyB1, FTU/kg 1,000
Item	0	500	1,000	2,000	4,000
Dry matter, %	88.60	88.70	88.62	88.60	88.71	88.40
Ash, %	4.41	4.44	4.81	4.71	4.75	4.78
Gross energy, kcal/kg	4,102	4,096	4,110	4,102	4,110	4,089
Crude protein, %	18.93	18.64	18.83	18.57	18.40	18.58
AEE1, %	5.74	5.22	5.70	5.37	5.66	5.92
Soluble dietary fiber, %	1.3	1.0	2.2	1.0	1.4	2.20
Insoluble dietary fiber, %	13.9	14.0	14.8	14.3	15.2	13.8
Total dietary fiber, %	15.2	15.0	17.0	15.3	16.6	16.0
Phytase, FTU/kg (AOAC)	<70	480	1,100	1,800	4,000	840
Phytase, FTU/kg (ISO 30024:2009)	183	682	1,220	2,240	4,239	1,227
Ca, %	0.71	0.70	0.69	0.67	0.72	0.66
P, %	0.46	0.48	0.46	0.46	0.45	0.46
Phytic acid, %	1.22	1.20	1.24	1.22	1.20	1.22
Phytate-bound P2, %	0.34	0.34	0.35	0.34	0.34	0.34
Non-phytate P3, %	0.12	0.14	0.11	0.12	0.11	0.12
Na, %	0.18	0.17	0.17	0.18	0.19	0.18
Mg, %	0.21	0.21	0.21	0.21	0.21	0.21
K, %	0.75	0.73	0.74	0.72	0.73	0.75
S, %	0.31	0.29	0.30	0.32	0.31	0.32
Cl, %	0.35	0.33	0.33	0.34	0.35	0.34
Cu, mg/kg	25.1	26.4	24.1	25.3	24.5	31.0
Zn, mg/kg	146	143	145	144	147	145
Mn, mg/kg	84.9	81.3	76.1	77.9	76.5	77.5
Fe, mg/kg	209	200	197	221	210	225
Se, mg/kg	0.78	0.70	0.77	0.84	0.80	0.75

¹FTU, phytase units; AEE, acid hydrolyzed ether extract.

²Calculated as 28.2% of phytic acid (Tran and Sauvant, 2004).

³Calculated as total P – phytate-bound P.