Table 2.

Effect of super-dosing phytase and inositol supplementation on growth performance of nursery pigs¹

	0 FTU/kg phytase			2,500 FTU/kg phytase					P-values
Inositol, %	0	0.15	0.30	0	0.15	0.30	SEM	Phytase	Inositol	Inositol
									Linear	Quadratic
BW, kg
0 d	6.73	6.70	6.73	6.71	6.72	6.71	0.06	0.894	0.986	0.830
10 d	9.40	9.37	9.46	9.51	9.52	9.50	0.10	0.218	0.785	0.813
20 d	14.47	14.41	14.57	14.85	14.84	14.69	0.14	0.007	0.834	0.885
42 d	28.60	28.72	28.52	28.66	29.15	28.64	0.26	0.326	0.829	0.148
ADG, g
0 to 10 d	266.4	267.1	268.8	277.2	276.8	275.6	6.51	0.091	0.949	0.992
11 to 20 d	460.8	457.5	465.3	484.7	483.8	471.1	6.41	0.001	0.475	0.976
21 to 42 d2	673.2	680.3	663.9	657.8	681.3	664.6	7.74	0.473	0.870	0.021
0 to 42 d	520.6	522.9	517.1	521.1	532.8	520.6	5.44	0.301	0.706	0.097
ADFI, g
0 to 10 d	261.5	258.0	246.7	252.8	256.1	257.5	5.77	0.985	0.382	0.634
11 to 20 d3	589.3c	600.5bc	612.2ab	627.1a	626.0a	607.6bc	7.00	0.001	0.805	0.499
21 to 42 d	1013.5	1018.8	999.7	992.6	1026.1	1000.8	12.05	0.671	0.813	0.052
0 to 42 d	723.1	727.0	717.7	719.3	737.0	719.5	7.79	0.673	0.730	0.080
G:F, g/kg
0 to 10 d4	1,022.1c	1,039.9bc	1,089.2a	1,102.2a	1,087.2a	1,076.2ab	15.94	0.004	0.198	0.525
11 to 20 d	782.3	762.4	762.4	774.4	773.9	777.7	7.83	0.327	0.289	0.381
21 to 42 d	665.6	669.2	665.5	663.4	664.8	664.6	4.07	0.455	0.889	0.530
0 to 42 d	721.0	720.6	721.8	725.1	723.6	724.4	3.29	0.234	0.991	0.738

^a-cValues within a row with different superscripts differ (P ≤ 0.05).

¹Values represent least square means of 16 pens with 22 pigs per pen.

²Main effect of inositol (P = 0.06).

³Interaction of phytase × inositol (P = 0.010).

⁴Interaction of phytase × inositol (P = 0.015).