TABLE 2.

Effects of dietary supplementation of Wheat germ, Hops and Grape seed extract mixture (BX) on growth performance in broilers.

Items	Dietary BX levels, %				p-Value
	0	0.05	0.1	0.2	Linear	Quadratic
ADG, g/d
Days 1–21	41.96 ± 0.50	41.93 ± 0.46	42.04 ± 0.46	42.04 ± 0.46	0.670	0.913
Days 22–42	79.23 ± 2.89b	80.29 ± 2.50ab	82.30 ± 3.05ab	83.16 ± 2.51a	0.009	0.035
Days 1–42	60.60 ± 1.60b	61.11 ± 1.42ab	62.17 ± 1.70ab	62.60 ± 1.45a	0.016	0.058
ADFI, g/d
Days 1–21	52.71 ± 0.55	52.57 ± 0.75	52.73 ± 0.43	52.72 ± 0.66	0.874	0.951
Days 22–42	134.48 ± 3.78b	136.10 ± 3.81ab	138.93 ± 3.70ab	139.81 ± 3.84a	0.010	0.036
Days 1–42	93.60 ± 2.10b	94.34 ± 2.08ab	95.83 ± 1.98ab	96.27 ± 2.14a	0.016	0.058
F/G
Days 1–21	1.25 ± 0.01	1.26 ± 0.01	1.25 ± 0.01	1.25 ± 0.01	0.748	0.924
Days 22–42	1.70 ± 0.02	1.70 ± 0.02	1.69 ± 0.02	1.68 ± 0.01	0.076	0.214
Days 1–42	1.55 ± 0.01	1.54 ± 0.01	1.54 ± 0.02	1.54 ± 0.01	0.156	0.374

ADG, average daily gain; ADFI, average daily feed intake; F/G feed-to-weight ratio.

^a,bMeans in the same row with different superscripts are significantly different (p < 0.05).