Table 2. The effect of dietary APOS supplementation and/or RV challenge on the intestinal morphology in the jejunum of weaned pigs (n=7).

	RV -		RV +		P-value
	CON	POS	CON	POS	POS	RV	POS×RV
Villus height (μm)	179.22±2.45A	196.55±5.23A	156.73±7.11B	177.80±9.77A	<0.05	<0.05	0.78
Crypt depth (μm)	94.31±4.37	95.71±4.46	105.26±3.26	91.84±4.58	0.17	0.42	0.09
Villus height:crypt depth	1.92±0.08A	2.08±0.12A	1.49±0.07B	1.95±0.08A	<0.05	<0.05	0.13

^# RV -, infusing the essential medium; RV +, infusing the porcine rotavirus; CON, basal diet; POS, POS-supplemented diet.

^{A, B} In the same row, values with different letter superscripts mean significant difference (P<0.05).