TABLE 3.

GH families with statistically significant higher or lower abundance based on digestive system’s physiology

GH family	Abundance (%)a in:
	Heavier monogastric herbivores	Lighter monogastric herbivores	Polygastric herbivores
GH1	0.0066	0.0150	0.0075
GH4	0.0056	0.0038	0.0146
GH19	0.0001	0.0005	0.0001
GH25	0.0041	0.0082	0.0048
GH32	0.0048	0.0106	0.0051
GH38	0.0051	0.0039	0.0103
GH50	0.0010	0.0004	0.0004
GH54	0.0010	0.0000	0.0001
GH73	0.0067	0.0157	0.0061
GH79	0.0001	0.0003	0.0026
GH81	0.0000	0.0002	0.0001
GH116	0.0032	0.0007	0.0008
GH120	0.0066	0.0012	0.0030

^aPercentages in bold indicate significance at a Bonferroni post hoc test P value of <0.05 in comparison to other groups.