Table 1
Chemical, fatty acid and antioxidant composition of dietary treatments

	Levels of CPOBa (% )			SE	P value
Chemical composition, g/kg DM	0	4	8
Dry matter	676.96	678.99	680.73	32.00	0.56
Crude Protein	142.72	143.73	143.92	14.23	0.11
Ether extract	23.00	63.50	111.10	2.19	0.01
Ash	68.40	65.80	62.60	4.11	0.17
Organic matter	931.60	934.20	935.50	44.22	0.65
Nitrogen free extract	165.56	139.67	124.51	15.06	0.17
Acid detergent fibre	350.40	332.80	325.20	18.99	0.26
Neutral detergent fibre	635.24	626.72	620.60	27.12	0.80
Metabolizable energy, MJ/Kg DM	11.59	11.61	11.62	0.78	0.10
Ca %	1.02	1.05	1.04	0.02	0.18
P %	0.52	0.54	0.54	0.01	0.12
Fatty acid (g/100 g total FA)
C12:0	0.07	0.07	0.08	0.01	0.45
C14:0	3.35	1.38	0.99	0.05	0.04
C16:0	17.64	16.14	14.90	1.89	0.14
C16:1	0.52	0.31	0.29	0.01	0.13
C18:0	3.52	3.00	2.73	0.02	0.23
C18:1n-9	24.17	40.06	50.37	4.19	0.01
C18:2n-6	44.57	32.00	23.03	3.20	0.02
C18:3n-3	6.70	7.04	7.90	0.12	0.15
∑SFA	24.52	21.00	18.70	1.15	0.36
∑UFA	75.48	79.00	81.30	8.23	0.03
n-6:n-3	6.66	4.54	2.92	0.66	0.01
Total FA (g/kg DM)	15.83	37.09	52.27	2.03	0.01
Antioxidants
Total carotenoid (mg/kg)	14.81	16.71	19.86	1.92	0.02
α-tocopherol (mg/kg)	101.12	112.47	123.21	7.81	0.01
γ-tocopherol (mg/kg)	10.22	34.55	49.17	4.50	0.01
δ-tocopherol (mg/kg)	1.21	3.45	5.93	0.04	0.02