Table 4.

Percent relative abundance of bacterial phyla detected in fecal samples at 144 DPI¹

	Treatment
Bacterial phyla2	NEG	POS	ISF	P-value
Actinobacteria	0.43 ± 0.11a	0.20 ± 0.03b	0.24 ± 0.05ab	0.049
Bacteroidetes	30.6 ± 1.88	29.2 ± 1.09	29.3 ± 1.30	0.787
Elusimicrobia	0.05 ± 0.02	0.20 ± 0.05	0.49 ± 0.23	0.109
Firmicutes	30.1 ± 2.37	27.9 ± 1.27	30.1 ± 1.67	0.593
Kiritimatiellaeota	0.86 ± 0.18	1.33 ± 0.19	1.26 ± 0.18	0.129
Proteobacteria	25.3 ± 2.73	23.7 ± 2.44	18.7 ± 1.96	0.185
Spirochaetes	12.2 ± 2.69	16.9 ± 2.79	19.0 ± 3.14	0.346

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

²Only phyla with at least one mean with >0.30% relative abundance were considered for interpretation.

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