Table 3.

Effects of marigold flower and antibiotic on carcass yield and internal relative organ weight of broilers at 42 d of age (%).

Item	Dietary treatments				SEM	P-value
	Control	antibiotic	5 g marigold/kg	10 g marigold/kg
Carcass	65.6b	65.7b	66.6a	65.3b	0.27	0.03
Abdominal fat	0.54b	0.57ab	0.42b	0.79a	0.03	0.04
Liver	2.88	2.69	2.61	2.67	0.04	0.07
Gizzard	1.72b	1.83ab	1.94ab	2.04a	0.04	0.03
Heart	0.59	0.65	0.68	0.64	0.01	0.07
Proventriculus	0.41	0.41	0.40	0.41	0.01	0.06
Small intestine	3.66	3.73	3.61	3.64	0.09	0.07
Bursa	0.115	0.119	0.132	0.131	0.005	0.08
Spleen	0.15	0.16	0.12	0.13	0.007	0.08
Small intestine, cm	194	189	185	197	2.0	0.09
Cecum, cm	37	37	38	38	0.6	0.07

^{a, b} Within a row, values not sharing a common superscript differ at P < 0.05.