Table 8.

Relative abundance of jejunal mucosa-associated microbiota at family level in nursery pigs fed diets with supplementation of soy protein concentrate (SPC) completely replacing animal protein supplements

Item	SPC replacement, %1		SEM	P value
	0	100		SPC 0% vs. SPC 100%
Helicobacteraceae	25.77	3.02	8.87	0.042
Prevotellaceae	10.29	18.94	13.07	0.320
Moraxellaceae	8.61	0.01	4.04	0.158
Alcaligenaceae	5.82	<0.01	4.04	0.328
Comamonadaceae	4.28	13.04	6.41	0.152
Campylobacteraceae	3.62	0.13	1.08	0.040
Veillonellaceae	3.03	3.50	2.26	0.746
Corynebacteriaceae	2.53	<0.01	0.92	0.040
Pseudomonadaceae	2.21	6.64	4.96	0.499
Xanthomonadaceae	1.69	0.15	1.06	0.290
Clostridiaceae	1.53	4.61	1.91	0.277
Enterobacteriaceae	1.34	13.41	7.58	0.256
Sphingomonadaceae	1.33	0.17	0.54	0.157
Microbacteriaceae	1.32	3.35	2.15	0.461
Staphylococcaceae	1.31	0.06	0.26	0.003
Propionibacteriaceae	1.22	5.20	2.50	0.251
Aerococcaceae	1.22	<0.01	0.65	0.105
Lactobacillaceae	1.09	8.15	3.69	0.169
Burkholderiaceae	1.05	0.78	0.57	0.622
Lachnospiraceae	1.02	1.80	1.30	0.321
Bifidobacteriaceae	1.00	2.05	1.46	0.448
Succinivibrionaceae	0.93	2.76	1.50	0.376
Methylobacteriaceae	0.69	0.58	0.38	0.835
Ruminococcaceae	0.57	0.54	0.38	0.927
Brachyspiraceae	0.55	<0.01	0.36	0.265
Rhodobacteraceae	0.51	0.03	0.25	0.191
Caulobacteraceae	0.48	0.71	0.68	0.745
Micrococcaceae	0.48	0.01	0.21	0.110
Bradyrhizobiaceae	0.31	<0.01	0.07	0.007
Streptococcaceae	0.22	1.23	0.65	0.231
Bacillaceae	0.15	0.01	0.05	0.003
Others	13.82	9.11	6.34	0.438

Dietary treatments were supplemented with soy protein concentrate (X-Soy 200, CJ Selecta, MG, Brazil) replacing animal protein supplements including fish meal, poultry meal, and blood plasma (N = 16 total, n = 8 for each replacement level).