Table 2.

Percent relative abundance of bacterial phyla detected in fecal samples at 10 DPI¹

	Treatment
Bacterial phyla2	NEG	POS	ISF	P-value
Bacteroidetes	50.1 ± 2.32	46.4 ± 2.7	42.4 ± 2.64	0.123
Elusimicrobia	0.41 ± 0.40	0.16 ± 0.10	0.09 ± 0.05	0.934
Epsilonbacteraeota	1.65 ± 0.42	3.62 ± 1.38	2.48 ± 0.72	0.536
Firmicutes	41.1 ± 2.76	36.8 ± 2.25	38.7 ± 3.00	0.533
Proteobacteria	5.15 ± 1.23b	10.4 ± 2.22ab	10.7 ± 1.71a	0.045
Spirochaetes	1.07 ± 0.48	1.72 ± 0.47	4.66 ± 1.57	0.070

¹Data are expressed as least-square mean ± SEM for each treatment group.

²Only phyla with >0.30 relative abundance were considered for interpretation.

^a,bMeans without a common superscript letter differ (P < 0.05).