. 2020 Apr 8;99(6):3179–3187. doi: 10.1016/j.psj.2020.01.024

Table 6.

Jejunal morphological traits of laying hens fed with different lignocellulose levels at 38 wk of age.

Items	Supplementation amount (kg/ton of feed)				Pooled SEM	P-values
Items	0	0.5	1	2	Pooled SEM	Fixed	Linear	Quadratic
Villus height (μm)	1068.0^b	1290.9^a	1355.9^a	1093.4^b	67.3	<0.01	0.706	<0.01
Villus width(μm)	97.8^b	124.5^a	132.7^a	103.3^b	12.1	<0.01	0.939	<0.01
VASA (μm²)	200105^b	267639^a	270669^a	216278^b	21,979	<0.01	0.885	0.001
Crypt depth (μm)	114.8^a	107.3^b	108.8^b	115.9^a	11.7	0.018	0.263	0.090
VH/CD	9.4^b	12.0^a	12.5^a	9.5^b	1.1	<0.01	0.635	<0.01
T-TM (μm)	206.4^b	199.6^b	164.4^c	236.1^a	16.1	0.001	0.003	<0.01

^a,b,cMeans bearing different superscripts within the same column are significantly different.

n: 20 samples per treatment group.

Abbreviations: VASA, villus apparent surface area; VH/CD, villus height/crypt depth; T-LM, thickness of Tunica muscularis. Magnification 100 x, scale bar 100 μm.