Table 1 Associations¹ of cecum microbiota with yeast supplementation.

Taxonomic classification				Association with yeast supplementation²			Association with Yeast Log₁₀ cfu/g of cecum content
Phylum	Family	Genus	Greengenes OTU ID	Coefficient³	P-value	FDR³	Coefficient	P-value	FDR
Actinobacteria	Coriobacteriaceae			0.264	0.002	0.047
		Collinsella		0.309	0.003	0.061
		Collinsella	OUT189294	0.405	<0.001	0.034
		Collinsella	OUT4322801	0.226	0.005	0.097
Bacteroidetes	Unclass. Bacteroidales			−0.172	0.004	0.048	−0.028	0.002	0.077
	Prevotellaceae	Prevotella	OUT180825	−0.128	0.002	0.062
		Prevotella	OUT568118	−0.080	0.002	0.055
Firmicutes	Clostridiaceae	Unclassified	OUT4478242	0.411	<0.001	0.009	0.077	<0.001	0.001
		Unclassified	OUT322798	0.341	<0.001	0.009	0.065	<0.001	0.001
	Halanaerobiaceae			0.135	0.001	0.047	0.020	0.001	0.077
		Unclassified	OUT548233	0.135	0.001	0.052
	Lactobacillaceae	Lactobacillus	OUT811544	−0.465	<0.001	0.043
		Lactobacillus	OUT541581	−0.111	<0.001	0.025
	Peptococcaceae			0.162	0.004	0.046
		Peptococcus		0.162	0.004	0.060
		Peptococcus	OUT710432	0.193	<0.001	0.044
	Peptostreptococcaceae			0.234	<0.001	0.018	0.043	<0.001	0.001
		Unclassified	OUT173883	0.167	0.001	0.053
		Unclassified	OUT2320623	0.120	0.001	0.053	0.022	<0.001	0.001
	Ruminococcaceae	Unclassified	OUT29495	0.272	<0.001	0.043
		Ruminococcus	OUT323135	0.166	0.004	0.095
	Turicibacteraceae			0.159	0.003	0.048
		Turicibacter		0.159	0.003	0.061
		Turicibacter	OUT368490	0.158	0.003	0.072
	Veillonellaceae	Mitsuokella		0.365	0.003	0.061
		Mitsuokella	OUT306124	0.341	0.005	0.099

¹Significant associations between bacterial taxa and treatment groups or Log₁₀ cfu of yeast shed in each gram of cecum content revealed by MaAsLin.
²Comparison between the cecum microbiota of control piglets (Control-Control) and yeast supplemented (Yeast-Yeast).
³Regression coefficient.
⁴Benjamini–Hochberg’s false discovery rate (FDR).

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