Table 4. Gross energy (GE, kcal/kg) and nutrient composition (%) of palm kernel expellers from different countries (as-is basis)

	Moisture	Crude protein	Ether extract	Crude fiber	Ash	GE	Calcium	Phosphorus	Lysine	Methionine	Cysteine	Threonine
Indonesia
n	288	290	289	289	289	218	289	289	186	186	186	186
Mean	9.22	14.87	8.40	15.86	4.25	4,551	0.39	0.55	0.32	0.26	0.18	0.41
CV	17.88	5.18	14.20	12.24	12.12	4.86	23.62	11.55	23.01	21.52	27.08	17.79
Malaysia
n	273	273	273	272	273	207	273	273	166	164	166	166
Mean	8.18	15.77	7.81	15.03	4.56	4,513	0.42	0.60	0.35	0.25	0.19	0.43
CV	20.76	4.54	14.26	13.79	17.08	3.72	23.00	9.60	28.54	18.53	90.05	11.03
SEM	0.10	0.04	0.07	0.12	0.04	14	0.01	0.004	0.01	0.004	0.01	0.005
P-value	<0.001	<0.001	<0.001	<0.001	<0.001	0.048	0.003	<0.001	0.005	0.613	0.242	0.021