Table 3. The effect of dietary yeast hydrolysate supplementation on total tract digestibility of broilers

Items (%)	YH supplementation (%)			SEM	p-value
	0	0.1	0.2		Linear	Quadratic
Day 35
Dry matter	71.52	73.13	74.74	0.52	0.012	0.138
Nitrogen	68.66	69.54	71.43	1.05	0.021	0.627
Digestible energy	72.24	74.12	73.43	0.67	0.232	0.140

YH, yeast hydrolysate.