Soluble Fiber and Insoluble Fiber Regulate Colonic Microbiota and Barrier Function in a Piglet Model

Table 5

Relative abundance (%) of main bacterial phyla and family in different groups¹.

Item^2	CON	IDF	SDF	MDF
Phyla
Firmicutes	52.499 ± 5.86	44.066 ± 3.20	48.426 ± 2.28	46.461 ± 2.02
Bacteroidetes	38.650 ± 4.32^ab	43.149 ± 1.12^a	34.181 ± 3.80^b	43.519 ± 1.82^a
Proteobacteria	3.750 ± 1.17^b	3.581 ± 0.79^b	11.186 ± 2.76^a	4.888 ± 0.85^b
Actinobacteria	0.831 ± 0.15^b	0.943 ± 0.19^ab	1.460 ± 0.21^a	0.932 ± 0.24^ab
Euryarchaeota	0.114 ± 0.04^b	1.125 ± 0.44^a	0.183 ± 0.13^b	0.086 ± 0.05^b
Family
Prevotellaceae	36.045 ± 0.78^a	35.643 ± 1.19^a	27.153 ± 2.37^b	34.391 ± 2.08^a
Veillonellaceae	16.081 ± 2.18	12.450 ± 1.73	15.813 ± 1.04	18.257 ± 3.23
Ruminococcaceae	13.556 ± 2.31	11.127 ± 1.19	12.245 ± 0.72	10.512 ± 1.65
Lachnospiraceae	13.544 ± 2.53^a	11.020 ± 1.59^ab	10.731 ± 1.23^ab	8.294 ± 0.94^b
Enterobacteriaceae	0.319 ± 0.12^ab	0.160 ± 0.05^b	0.433 ± 0.14^ab	1.276 ± 0.59^a

^a,bMeans within rows with different letters differ significantly . ¹Values are presented as means ± SE of six replicates per dietary treatment. ²CON, control; IDF, 1% insoluble fiber; SDF, 1% soluble fiber; MDF, 0.5% insoluble fiber +0.5% soluble fiber.