Table 4.

Effects of continuously infusing glucose or casein at the terminal ileum on intestinal morphology

Parameter	Treatment1			SEM	P
	CON	GLC	CAS		Trt2
Jejunum
Villus height, μm	359	378	391	25	0.67
Villus width, μm	85.3	81.0	82.1	4.50	0.70
Crypt depth, μm	171	170	172	11	0.99
Villus height:crypt depth	2.11	2.26	2.30	0.16	0.68
Goblet cell area, %3	3.41	2.58	2.97	0.34	0.22
MPO4 area, %5	2.49	2.52	2.51	0.07	0.94
Ileum
Villus height, μm	220	243	274	19	0.20
Villus width, μm	89.4	73.5	74.8	6.9	0.25
Crypt depth, μm	161	155	139	9	0.27
Villus height:crypt depth	1.48b	1.62ab	1.97a	0.12	0.05
Goblet cell area, %3	5.26	6.93	5.10	0.77	0.21
MPO4 area, %5	2.95	2.90	2.84	0.14	0.85
Colon
Crypt depth, μm	242	276	249	14	0.23
Goblet cell area, %3	7.95	6.31	7.35	0.99	0.51
MPO4 area, %5	0.67b	0.80ab	0.97a	0.07	0.03

¹CON, Control, tap water, 3 liters/d; GLC, Glucose, 500 g/d; CAS, Casein, 300 g/d.

²Treatment.

³Expressed as a percentage of epithelial area.

⁴Myeloperoxidase.

⁵Expressed as a percentage of positive myeloperoxidase relative to total stained area.

^a,bMeans with different superscripts significantly differ (P ≤ 0.05).