Table 1.

Effects of dexamethasone, chlorogenic acid, or their interaction on the growth performance of broilers.

Group	Day 1–14			Day 14–21			Day 1–21
	ADG, g	ADFI, g	F:G	ADG, g	ADFI, g	F:G	ADG, g	ADFI, g	F:G
Control	26.11	31.10	1.19	55.56a	74.35	1.35b	36.60a	45.04	1.23c
DEX	26.52	30.73	1.17	26.96c	64.89	2.44a	26.70c	43.18	1.62a
CGA	27.30	32.16	1.18	53.67a	73.45	1.37b	35.96a	45.95	1.28bc
DEX + CGA	26.49	30.76	1.16	46.00b	69.21	1.51b	32.42b	43.49	1.34b
SEM	1.13	0.67	0.04	2.25	2.14	0.10	1.16	1.30	0.05
Main effect
CGA
−	–	–	–	41.26	69.63	1.89	31.65	44.11	1.43
+	–	–	–	49.83	69.21	1.44	34.19	44.72	1.31
DEX
−	–	–	–	54.61	73.90	1.36	36.28	45.50	1.26
+	–	–	–	36.48	67.06	1.97	29.56	43.34	1.48
P-value
CGA	0.76	0.15	0.81	<0.01	0.27	<0.01	<0.01	0.51	<0.01
DEX	–	–	–	<0.01	<0.01	<0.01	<0.01	0.03	<0.01
Interaction	–	–	–	<0.01	0.10	<0.01	<0.01	0.75	<0.01

DEX = dexamethasone; CGA = chlorogenic acid; DEX + CGA = dexamethasone + chlorogenic acid.

^a,b,c Within a column, means without a common superscriptdiffer significantly (P < 0.05). n = 6 for each group.