. 2020 Jan 16;10(1):149. doi: 10.3390/ani10010149

Table 2.

Responses of pig duodenum secretory structures.

Pig Duodenum	CTR		EXP		p
Histochemical Treatment	Goblet Cells	Duodenal Glands	Goblet Cells	Duodenal Glands	Goblet Cells	Duodenal Glands
AB pH2.5	1/2	0.5/1	2	0.5/1	*	ns
Sial-AB	1/2	0	1/2	0	ns	ns
KOH-Sial-AB	1/2	0	0.5/1	0	*	ns
AB pH1	1	0	0.5/1	0	*	ns
AB pH0.5	1	0	0.5	0	*	ns
PAS	1/2 ^a	1	1 ^a	1	ns	ns
PAS	2 ^b	1	2 ^b	1	ns	ns
AB/PAS	B1/R0 ^a	B0/1/R1	B2/R0 ^a	B0/1/R1	**	ns
AB/PAS	B2/R1 ^b	B0/1/R1	B2/R2 ^b	B0/1/R1	*	ns
LID	1/2	0.5/1	2	0.5/1	*	ns
HID	1	0	0.5/1	0	*	ns

CTR = Degermed corn-barley-soybean-based diet. EXP= CTR diet supplemented with oregano aqueous extract. AB = Alcian blue; Sial = Sialidase; PAS = Periodic acid–Shiff; LID = Low iron diamine; HID = High iron diamine; B = Blue; R = Red; * = p < 0.05; ** = p < 0.01; ns = not significant. ^a = villus apical portion; ^b = villus basal portion.