Table 5. Effect of diet and pregnancy stage on OTU levels (%) in the ileal bacterial communities of Huanjiang mini-pigs^*.

Items	HN45	HN75	LN45	LN75	SEM	P values			Annotation	Phylum
						Diet	Stage	Diet × Stage
OTU-2	26.65	16.23	8.33	3.63	0.03	0.005	0.140	0.568	g: Turicibacter	Firmicutes
OTU-4	6.36	5.37	11.94	10.63	0.02	0.078	0.697	0.957	g: Clostridium	Firmicutes
OTU-10	3.43	10.67	2.32	7.57	0.02	0.541	0.080	0.773	f: Enterobacteriaceae	Proteobacteria
OTU-28	0.29	0.05	0.27	0.06	<0.01	0.972	0.051	0.903	f: Streptococcaceae	Firmicutes
OTU-29	0.54	0.21	0.09	0.07	<0.01	0.077	0.271	0.343	s: Megasphaera elsdenii	Firmicutes
OTU-38	0.12	0.09	0.21	0.26	<0.01	0.053	0.833	0.580	o: Clostridiales	Firmicutes
OTU-45	0.65	0.17	0.08	0.05	<0.01	<0.01	<0.01	<0.01	s: Lactobacillus delbrueckii	Firmicutes
OTU-184	0.04	0.23	0.09	0.24	<0.01	0.744	0.067	0.869	g: Bacteroides	Bacteroidetes
OTU-460	0.26	0.05	0.02	0.03	<0.01	0.038	0.119	0.089	g: Mitsuokella	Firmicutes
OTU-906	1.10	0.03	0.06	0.03	<0.01	0.013	0.010	0.014	g: Lactobacillus	Firmicutes
OTU-2219	0.78	0.99	1.45	1.56	<0.01	0.091	0.649	0.897	f: Clostridiaceae	Firmicutes

*Only OTUs significantly affected by diet or pregnancy stage are shown. OTUs were present at ≥ 0.5% in all cases.

f: family; g: genus; o: order; s: species.