. 2019 Feb 1;14:4. doi: 10.1186/s12263-019-0626-x

Table 2.

Effect of gastric infusion of SCFA on intestinal index and pH value of digesta in weaned piglets

Items	Control	S1	S2	SEM	P value
Intestinal index
Relative length of SI (cm/g)	8.510^b	8.706^ab	9.132^a	0.147	0.037
Relative length of LI (cm/g)	1.966	2.060	2.093	0.035	0.069
Relative length of I (cm/g)	10.476^b	10.766^ab	11.225^a	0.164	0.027
Relative density of SI(g/cm)	0.460	0.503	0.517	0.023	0.226
Relative density of LI(g/cm)	0.800	0.824	0.829	0.022	0.622
Relative density of I(g/cm)	0.523	0.565	0.574	0.018	0.165
Relative weight of SI (%)	3.905^b	4.381^ab	4.710^a	0.160	0.016
Relative weight of LI (%)	1.573	1.698	1.732	0.058	0.176
Relative weight of I (%)	5.478^b	6.078^ab	6.442^a	0.170	0.008
pH values
Stomach	3.825	3.593	3.293	0.324	0.531
Duodenum	5.308^a	4.388^b	4.157^b	0.185	0.003
Jejunum	6.833^a	6.773^ab	6.293^b	0.138	0.038
Ileum	6.954^a	6.722^ab	6.552^b	0.093	0.037
Cecum	5.915	5.542	5.455	0.180	0.209
Colon	6.482^a	5.845^b	5.688^b	0.111	0.001

S1, pigs treated with SCFA (acetic, propionic, and butyric acids; 20.04, 7.71, and 4.89 mM respectively); S2, pigs treated with SCFA (acetic, propionic, and butyric acids; 40.08, 15.41, and 9.78 mM respectively)

^{a, b}Within a row, means without a common superscript differ (P < 0.05)