Table 1.

Effect of (−)-HCA on growth performance of broiler chickens from 22 to 49d of age^a

Itemb	Supplemental (−)-HCA (mg/kg)
	0	1000	2000	3000
BW (g per birds) 49 d	3460.23 ± 49.22	3360.03 ± 52.04	3337.23 ± 42.53*	3312.83 ± 28.09*
ADG (g per birds per d) 22 to 49 d	86.51 ± 1.36	83.51 ± 1.44	82.83 ± 1.16*	82.10 ± 0.73*
ADFI (g per birds per d) 22 to 49 d	177.95 ± 6.92	174.48 ± 7.28	164.22 ± 6.58	171.57 ± 7.19
Feed conversion ratio (g :g) 22 to 49 d	2.06 ± 0.08	2.09 ± 0.09	1.98 ± 0.08	2.09 ± 0.09

^a BW = body weight; ADG = average daily gain; ADFI = average daily feed intake

^b Data in each group represent mean values of three replicates, one replicate indicating the average of 25 chickens in one cage. Values are means ± SE. * P < 0.05, compared with the control group