Table 3
Effects of dietary supplementation of the lipid-coated ZnO Shield Zn® (SZ) vs. ZnO on intestinal mucosal morphology of weanling pigs (Exp. 1)

Item	ZnO (mg Zn/kg)		SZ (mg Zn/kg)		SEM	P value
	100	2500	100	200
Duodenum^a)
VH (μm)	290	293	271	244	19	0.260
CD (μm)	216	236	208	226	13	0.504
VH:CD ratio	1.35	1.27	1.34	1.07	0.11	0.261
Jejunum^a)
VH (μm)	297	280	276	245	16	0.187
CD (μm)	209	234	206	205	12	0.685
VH:CD ratio	1.43	1.28	1.37	1.22	0.11	0.540
Ileum^a)
VH (μm)	234	223	257	224	10	0.089
CD(μm)	171	182	176	181	14	0.947
VH:CD ratio	1.39	1.27	1.48	1.28	0.08	0.223