Table 3.

Effect of dietary soluble non-starch polysaccharide (sNSP) level and xylanase supplementation on hen performance and prevalence of dirty and abnormal eggs, measured from 0 to 28 d on the dietary treatments (25 to 28 wk of age) or from 29 to 56 d on the dietary treatments (29 to 32 wk of age).

Item	Hen weight gain, g		Dirty egg, %		Abnormal eggs, %
	25 to 28 wk	29 to 32 wk	25 to 28 wk	29 to 32 wk	25 to 28 wk	29 to 32 wk
sNSP
High	125.6	86.3	1.72	2.78	6.67	7.61
Low	136.0	90.2	1.84	2.42	4.48	5.72
Xylanase
－	125.2	87.2	1.56	2.89	6.23	8.78
＋	136.4	89.3	2.0	2.31	4.92	4.56
Interaction
High－	121.8	94.3ab	1.63	3.41	8.44	10.93
High＋	129.4	78.3b	1.81	2.15	4.90	4.30
Low－	128.6	80.1ab	1.49	2.36	4.02	6.63
Low＋	143.4	100.3a	2.19	2.48	4.94	4.82
SEM	33.34	21.47	1.45	1.95	6.56	9.35
P-value
sNSP level	0.661	0.590	0.820	0.761	0.989	0.980
Xylanase	0.235	0.776	0.694	0.710	0.300	0.189
Interaction	0.629	0.014	0.706	0.960	0.648	0.621

^a,b Means with no common superscript within a column differ significantly (P < 0.05).