Table 4.

Analyzed nutrient concentrations of dietary treatments (experiment 2)

	Phytase inclusion levels, FTUa/kg
Items, %	0	250	500	750	1,000	1,500	2,000
Dry matter	87.05	86.94	87.04	87.16	87.06	87.07	87.07
Crude protein	19.36	18.85	19.27	17.53	18.54	19.76	19.93
Ether extract	3.26	3.13	3.03	3.50	3.31	2.72	3.07
Crude fiber	2.50	2.30	2.10	2.40	2.20	2.20	2.20
Ash	4.10	3.75	4.25	4.08	4.19	3.98	4.06
Gross energy, kcal/kg	3,916	4,288	3,912	3,926	3,919	3,925	3,916
Ca	0.36	0.34	0.34	0.36	0.36	0.33	0.37
P	0.37	0.38	0.35	0.37	0.35	0.35	0.36
Phytate	0.86	0.84	0.87	0.85	0.84	0.85	0.85
Phytate Pb	0.24	0.24	0.25	0.24	0.24	0.24	0.24
Phytase, FTU/kg	55	310	618	993	1,322	1,653	2,263
Indispensable amino acids
Arg	1.16	1.23	1.29	1.13	1.14	1.22	1.26
His	0.46	0.60	0.50	0.45	0.45	0.48	0.49
Ile	0.69	0.69	0.76	0.67	0.67	0.72	0.75
Leu	1.56	1.56	1.66	1.53	1.54	1.59	1.66
Lys	1.15	1.22	1.22	1.13	1.16	1.21	1.26
Met	0.30	0.31	0.32	0.29	0.29	0.31	0.31
Phe	0.88	0.93	0.97	0.87	0.87	0.92	0.96
Thr	0.80	0.84	0.88	0.78	0.80	0.82	0.92
Trp	0.15	0.16	0.17	0.16	0.15	0.16	0.14
Val	0.69	0.72	0.74	0.68	0.68	0.71	0.73
Dispensable amino acids
Ala	0.97	1.00	1.02	0.94	0.95	0.98	1.01
Asp	1.77	1.88	1.99	1.73	1.74	1.86	1.95
Cys	0.30	0.32	0.33	0.30	0.30	0.31	0.32
Glu	3.19	3.36	3.48	3.11	3.14	3.31	3.45
Gly	0.74	0.77	0.81	0.72	0.73	0.77	0.79
Pro	0.84	0.85	0.87	0.81	0.81	0.85	0.87
Ser	0.90	0.95	0.99	0.88	0.89	0.94	0.98
Tyr	0.46	0.49	0.51	0.45	0.45	0.48	0.50

^a FTU, phytase units.

^bCalculated as 28.2% of phytate (Tran and Sauvant, 2004).