Table 3.

Mean villous height, crypt depth, and villous height to crypt depth ratios in different segments at given days post inoculation (dpi).

dpi		Duodenum			Jejunum			Ileum
		Control	Challenged	p	Control	Challenged	p	Control	Challenged	p
2	Villous height (μm)	544.9 ± 15.88	447.7 ± 25.82	0.038 (*)	461.6 ± 27.97	268.1 ± 27.97	0.0001 (***)	344.9 ± 47.67	278.6 ± 47.67	0.2328 (NS)
	Crypt depth (μm)	147.1 ± 8.644	180.7 ± 13.21	0.0328 (*)	147.0 ± 4.974	171.5 ± 9.240	0.0161 (*)	121.6 ± 6.506	179.5 ± 22.36	0.002 (*)
	Ratio (μm/μm)	3.704 ± 1.828	2.478 ± 1.955		3.140 ± 5.623	1.563 ± 0.0003		2.836 ± 7.327	1.558 ± 1.21
4	Villous height (μm)	513.9 ± 68.77	274.1 ± 16.22	0.0003 (***)	445.4 ± 47.62	260.9 ± 14.73	0.0003 (***)	333.7 ± 11.59	264 ± 14.76	0.0001 (***)
	Crypt depth (μm)	168.3 ± 5.602	190.4 ± 11.12	0.1936 (NS)	162.6 ± 7.897	161.3 ± 6.637	0.917 (NS)	122.5 ± 6.575	145.6 ± 11.06	0.0649 (NS)
	Ratio (μm/μm)	3.053 ± 12.276	1.440 ± 1.459		2.739 ± 6.03	1.617 ± 2.219		2.734 ± 1.763	1.813 ± 1.335
7	Villous height (μm)	456.5 ± 32.36	420.1 ± 24.66	0.4361 (NS)	442.3 ± 29.53	451.6 ± 40.22	0.8539 (NS)	380 ± 22.29	310.2 ± 22.29	0.0728 (NS)
	Crypt depth (μm)	176.7 ± 5.904	182.0 ± 14.98	0.8042 (NS)	162.6 ± 15.35	177.6 ± 11.22	0.4573 (NS)	157.3 ± 6.014	138.8 ± 11.52	0.1380 (NS)
	Ratio (μm/μm)	2.583 ± 5.481	2.308 ± 1.646		2.720 ± 1.924	2.543 ± 3.585		2.416 ± 3.706	2.235 ± 1.935
10	Villous height (μm)	510.1 ± 9.831	485.4 ± 10.76	0.1181 (NS)	312.6 ± 16.88	336 ± 17.5	0.3513 (NS)	394.9 ± 8.937	367.8 ± 21.71	0.3243 (NS)
	Crypt depth (μm)	188.4 ± 14.14	211.7 ± 14.12	0.5219 (NS)	194.3 ± 7.024	192.4 ± 8.213	0.8751 (NS)	158 ± 16.27	162.6 ± 8.119	0.7906 (NS)
	Ratio (μm/μm)	2.571 ± 0.695	2.293 ± 0.762		1.609 ± 2.403	1.746 ± 2.131		2.429 ± 0.549	2.262 ± 2.674

* represent statistically significant. *** represent statistically very significant. NS represent difference with no significance.