Table 3.

The effect of silymarin supplementation on the nutrient digestibility in broilers

Items	Silymarin				SEM	p-value
	0%	0.02%	0.04%	0.06%		Linear	Quadratic
d 35 (%)
Dry matter	73.07b	72.94b	73.81a	74.12a	1.30	0.036	0.334
Nitrogen	67.24ab	65.75b	68.39a	68.73a	1.51	<0.001	0.414
Energy	73.26ab	72.60b	74.40a	74.48a	1.09	0.004	0.387

SEM, standard error of means.

^a,bMeans in the same row with different superscripts differ (p<0.05).