Table 3.

The effect of wheat total pentosan content and xylanase supplementation on daily bird feed intake (FI), weight gain (WG), feed efficiency (FE), dietary apparent metabolisable energy corrected for N retention (AMEn), and daily AMEn intake

Treatment factor	FI (g DM/b/d)	WG (g/b/d)	FE (g gain: g feed)	AMEn (MJ/kg DM)	AMEn int (MJ/d)
Total pentosans (g/kg)
36.7	53.7	41.1	0.766	13.17	0.71
38.1	56.0	42.2	0.754	13.38	0.75
40.8	52.2	37.9	0.727	13.27	0.69
41.3	53.9	40.2	0.747	13.30	0.72
44.7	51.7	38.7	0.751	13.36	0.69
45.8	53.3	38.2	0.718	13.61	0.73
46.7	50.4	37.5	0.745	13.27	0.67
47.0	51.9	38.0	0.737	13.14	0.68
47.2	52.0	37.7	0.730	13.47	0.70
48.0	51.5	37.8	0.737	13.39	0.69
SEM	1.65	1.28	0.0176	0.117	0.025
Xylanase
No	52.0	38.4	0.741	13.24	0.69
Yes	53.4	39.4	0.741	13.43	0.72
SEM	0.74	0.574	0.0079	0.052	0.011
Statistical probabilities of treatment differences
Total pentosans	0.510	0.120	0.746	0.203	0.557
Linear effects	0.033	0.001	0.148	0.277	0.102
Quadratic effects	0.975	0.587	0.398	0.495	0.939
Xylanase	0.184	0.215	0.957	0.012	0.072
Total pentosans x Xylanase	0.564	0.949	0.135	0.209	0.367

There were 6 observations per treatment.

There is a statistically significant difference when P < 0.05; SEM – Standard errors of means.

Growth performance data is based on feeding period from 7 to 21d age. Data on AMEn is based on four days collection period (18, 19, 20, 21d age).