. 2021 Oct 28;12:771617. doi: 10.3389/fmicb.2021.771617

Table 6.

Effect of dietary zinc sources on the intestinal morphology and number of goblet cells in weaned piglets.

Items	Control	ZnSO4	Gly-Zn	Zinc lactate	SEM	P values
Duodenum
Villus height, μm	352.75	381.74	412.31	442.35	24.132	0.094
Crypt depth, μm	145.74	139.89	142.07	144.08	6.417	0.925
Villus height: crypt depth	2.59	2.74	2.91	2.95	0.206	0.602
Jejunum
Villus height, μm	332.86^b	354.33^ab	414.85^a	416.92^a	16.507	0.004
Crypt depth, μm	159.69	125.63	140.91	126.22	9.649	0.079
Villus height: crypt depth	2.46^b	2.85^ab	2.95^a	3.21^a	0.117	0.004
Ileum
Villus height, μm	309.84	332.10	321.14	382.55	18.325	0.060
Crypt depth, μm	146.44	148.79	147.40	139.51	7.486	0.822
Villus height: crypt depth	2.66	2.78	2.69	3.07	0.132	0.152
Goblet cells	316.56	339.56	330.67	387.72	17.856	0.064

Control, basal diet. ZnSO4, basal diet+100mg/kg zinc sulphate. Gly-Zn, basal diet+100mg/kg glycine zinc. Zinc lactate, basal diet+100mg/kg zinc lactate. SEM, standard error of the mean. ^a,b, Within a row, means without a common superscript letter differ (P<0.05).