Table 2. Effects of dietary supplementation of ferulic acid-based preparation on performance in broiler chicks^1,2

Item	CON	RBEX
Item	CON	0.1%	0.2%	0.3%
Initial BW	38.4±0.20	38.5±0.02	38.56±0.02	38.62±0.02
Days 1 to 21
ADG	28.00±1.46^b	28.64±0.77^ab	29.64±0.48^ab	30.92±0.28^a
ADFI	44.99±0.02	44.98±0.02	44.98±0.04	44.96±0.02
FCR	1.62±0.09^a	1.57±0.04^ab	1.52±0.02^ab	1.45±0.01^b
Days 22 to 30
ADG	117.06±1.99^b	124.38±0.61^a	123.46±2.00^a	124.84±2.33^a
ADFI	171.00±2.00	178.02±2.74	174.10±0.98	175.88±2.86
FCR	1.46±0.03	1.43±0.03	1.41±0.02	1.41±0.02
Days 1 to 30
ADG	52.40±1.04^b	54.80±0.48^a	55.16±0.46^a	56.52±0.72^a
ADFI	79.76±0.61	81.88±0.82	80.70±0.30	81.24±0.86
FCR	1.52±0.02^a	1.50±0.02^ab	1.46±0.01^bc	1.44±0.01^c

CON, control; ADG, average daily weight gain; ADFI, average daily feed intake; FCR, feed conversion ratio.
Values are presented Means ± SE.
Means in a row without a common superscript letter differ (P<0.05).