Table 3.

Breed comparisons for the relative abundance of fecal microbiota at the genus level

Phylum	Genus	Relative fold change Log2 (Mongolian horses/Thoroughbred horses)	p value
Firmicutes	Faecalibacterium	−1.8926	7.8789 E-07**
	Streptococcus	−3.6901	9.9651 E-07**
	Pseudobutyrivibrio	1.1544	1.2651 E-06**
	Blautia	−0.8724	5.7925 E-05**
	Weissella	−2.9881	1.3100 E-03**
	Phascolarctobacterium	12.7212	2.0149 E-03**
	Oscillibacter	−0.8226	6.6909 E-03**
	Subdoligranulum	−2.6774	0.0101*
	Ruminococcus	0.3148	0.0110*
	Anaerovorax	−12.0620	0.0214*
	Dorea	−1.3856	0.0251*
	Schwartzia	0.7161	0.0443*
	Turicibacter	12.2525	0.0477*
Bacteroidetes	Paludibacter	−3.7011	4.0086 E-04**
	Parabacteroides	3.1402	0.0154*
	Butyricimonas	5.3054	0.0250*
	Odoribacter	2.8890	0.0465*
	Barnesiella	3.6558	0.0499*
Proteobacteria	Succinivibrio	−3.0063	1.2643E-09**
	Ruminobacter	−4.3546	3.5337 E-07**
	Pseudomonas	1.1275	1.8753 E-04**
	Anaerobiospirillum	13.6460	2.9365 E-03**
	Helicobacter	5.3204	4.0298 E-03**
	Campylobacter	1.7569	0.0216*
	Roseomonas	12.0733	0.0282*
	Polynucleobacter	3.9527	0.0427*
	Parasutterella	3.7548	0.0461*
Synergistetes	Synergistes	2.0926	2.4499 E-06**
Verrucomicrobia	Akkermansia	−1.9840	1.0943 E-03**
Spirochaetes	Treponema	0.3388	0.0295*

^*p<0.05;

^**p<0.01.