Table 3. Effect of dietary palm kernel meal (PKM) and β-xylanase supplementation on productive performance of laying hens

Item		Productive performance
		Final BW (g)	Hen-day egg production (%)	EW (g)	EM (g)	FI (g/hen/d)	FCR (g/g)	Broken and shell-less egg (%)
Xylanase (%)	PKM (%)
0	0	1,988	95.7	61	58.6	115	1.97	0.61
	10	2,032	97.3	62	60.1	117	1.94	0.39
0.025	0	2,018	97.0	61	59.2	115	1.94	0.93
	10	2,036	95.8	62	59.2	117	1.98	0.54
SEM		32.1	0.76	0.4	0.49	0.8	0.021	0.222
Main effect
Xylanase (%)
0		2,010	96.5	62	59.4	116	1.95	0.50
0.025		2,027	96.4	61	59.2	116	1.96	0.73
SEM		22.7	0.54	0.3	0.34	0.6	0.015	0.157
PKM (%)
0		2,003	96.3	61	58.9	115	1.95	0.77
10		2,034	96.6	62	59.7	117	1.96	0.46
SEM		22.7	0.54	0.3	0.34	0.6	0.015	0.157
Effect (p-value)
Xylanase		0.592	0.881	0.808	0.739	0.854	0.691	0.301
PKM		0.345	0.746	0.090	0.127	0.039	0.799	0.180
Xylanase × PKM		0.692	0.081	0.758	0.143	0.791	0.177	0.680

BW, body weight; EW, egg weight; EM, egg mass; FI, feed intake; FCR, feed conversion ratio.