Table 2. The effect of dietary yeast hydrolysate supplementation on the growth performance of broilers

Items	YH supplementation (%)			SEM	p-value
	0	0.1	0.2		Linear	Quadratic
d 1 to 7
BWG (g)	159	175	187	2	0.789	0.313
FI (g)	186	185	187	2	0.562	0.553
FCR	1.167	1.198	1.192	0.011	0.141	0.218
d 7 to 21
BWG (g)	583	610	684	9	0.044	0.131
FI (g)	849	871	861	9	0.372	0.157
FCR	1.459	1.433	1.428	0.013	0.041	0.402
d 21 to 35
BWG (g)	814	884	928	15	0.029	0.102
FI (g)	1,711	1,724	1,717	15	0.893	0.650
FCR	2.113	2.012	1.983	0.035	0.052	0.122
Overall
BWG (g)	1,557	1,618	1,794	15	0.036	0.164
FI (g)	2,745	2,780	2,766	17	0.582	0.299
FCR	1.766	1.731	1.719	0.017	0.032	0.142
Mortality (%)	3.37	2.98	2.98	-	-	-

YH, yeast hydrolysate; BWG, body weight gain; FI, feed intake; FCR, feed conversion ratio.