Table 5. Effects of dietary supplementation of turmeric extract on blood total antioxidant activity in broiler chicks^1),2)

	NC	PC	Turmeric extract		SEM	p-value
	NC	PC	20 ppm	200 ppm	SEM	p-value
Total antioxidant activity (μM copper equivalents)	62.13^b	63.01^b	65.04^ab	69.77^a	0.05	<0.05

Data are least squares means of 12 observations per treatment.
NC, antibiotic-free diet; PC, basal diet with avilamycin+salinomycin.
Means within the same row with no common superscripts differ significantly (p<0.05).