Table 6.

Histological analysis results of broiler jejunum according to the addition period of each additive¹

Item	CON	VC1	GTE1	VC22	GTE22	SEM	P-value
VH, μm	1,058.5 b	1,222.1 a	1,068.9 b	1,256.1 a	1,241.7 a	15.310	<0.001
VW, μm	135.6 b	156.4 a	144.7 a,b	139.6 b	135.5 b	1.910	0.002
CD, μm	155.2 c	159.3 b,c	157.2 c	175.8 a,b	188.7 a	2.197	<0.001
VH/CD	6.82 b	7.67 a	6.80 b	7.15 a,b	6.58 b	0.089	<0.001

¹Values are expressed as mean ± SEM of four replicates (3 chickens per replicate).

^a-cMeans in each row followed by different superscript letters differ significantly.