Table 3.

Growth performance of broiler chickens fed low-quality oil.

Specification	Group
	I negative	II positive	III vit. E	IV vit. E	V vit. E	VI polyphenols	SEM	P
	control	control	100 mg kg${}^{-\mathrm{1}}$	200 mg kg${}^{-\mathrm{1}}$	100 mg kg${}^{-\mathrm{1}}+$	200 mg kg${}^{-\mathrm{1}}$
					polyphenols 100 mg kg${}^{-\mathrm{1}}$
$n$	10	10	10	10	10	10	–	–
Body weight (g)
– Day 7	118.15	114.45	118.75	127.40	124.05	127.25	2.03	0.342
– Day 21	717.50	605.00	711.50	717.30	762.30	712.45	16.46	0.161
– Day 35	2055.95	1899.56	2134.60	2035.44	2176.80	2010.30	36.35	0.353
Body weight gain (g)
– Day 7	81.05	77.45	83.45	89.82	84.85	89.68	1.79	0.391
– Day 21	680.40	568.78	676.20	679.83	723.10	674.40	16.12	0.262
– Day 35	2018.80	1861.88	2099.30	1997.73	2137.60	1972.25	36.30	0.314
Feed intake (g)
– Day 7	77.10	67.78	73.23	78.13	73.63	77.54	1.56	0.394
– Day 21	904.15	780.89	904.03	895.45	951.58	919.66	21.23	0.352
– Day 35	3125.78	2952.05	3171.58	3043.69	3202.58	3115.78	70.16	0.341
FCR (kg kg${}^{-\mathrm{1}}$)
– Day 7	0.95	0.88	0.88	0.87	0.87	0.89	0.01	0.192
– Day 21	1.33	1.36	1.38	1.39	1.32	1.36	0.02	0.973
– Day 35	1.55	1.59	1.52	1.52	1.50	1.58	0.02	0.621
Mortality, $n$	1	1	0	1	0	2	–	–