Table 4.

The effect of inclusion of safflower oil and vitamin C in the broiler chicken diet on the carcass traits % relative to the live body weight

Item	Vitamin C level (mg/kg diet)		Safflower oil level (gm/kg diet)			Vitamin C × Safflower oil						SEM	P-value
Item	0	400	0	5	10	0Vit.C+ 0Saff. Oil	0Vit.C + 5 Saff. Oil	0Vit.C+ 10 Saff. Oil	400Vit.C+ 0Saff. Oil	400Vit.C+ 5 Saff. Oil	400Vit.C+ 10Saff. Oil	SEM	Vit. C	Saff. oil	Vit. C x Saff. oil
Intestine	5.95	6.40	5.85	6.16	6.53	5.13^b	6.43^ab	6.28^ab	6.55^a	5.87^ab	6.77^a	0.16	0.17	0.32	0.01
Spleen	0.10	0.11	0.09	.011	0.11	0.09	0.09	0.10	0.08	0.13	0.11	0.008	0.50	0.41	0.67
Bursa	0.11^a	0.16^a	0.17^a	0.12^ab	0.11^b	0.15^ab	0.08^b	0.08^b	0.18^a	0.15^ab	0.13^ab	0.01	< 0.01	0.04	< 0.01
Thymus	0.43^b	0.57^a	0.4	0.50	0.51	0.33^b	0.43^ab	0.51^ab	0.62^a	0.56^ab	0.51^ab	0.02	0.01	0.90	0.03
Gizzard	2.72	2.43	2.46	2.59	2.66	2.48	2.93	2.73	2.44	2.25	2.58	0.07	0.05	0.58	0.09
Liver	2.20	2.09	2.08^b	2.44^a	1.90^b	2.03^bc	2.56^a	1.99^bc	2.13^abc	2.32^ab	1.80^c	0.06	0.44	< 0.01	< 0.01
Carcass	63.60	63.15	63.93	62.75	63.45	64.81	61.93	64.05	63.04	63.56	62.85	0.41	0.60	0.53	0.47
Heart	0.43	0.45	0.46	0.42	0.45	0.42	0.42	0.45	0.49	0.41	0.45	0.01	0.66	0.60	0.81

^{a, b, c} Means within the same row carrying different superscripts are significantly different at (P < 0.05)