Table 2.

Analysis of variance based on PERMANOVA with 500,000 permutations¹

Source	PERMANOVA-F	Subclasses	Distribution under null hypothesis by permutation		P
			Mean	95% Quantile
Location (L)	0.111	3	0.069	0.158	1.53E-01
Sampling Time (ST)	0.494	3	0.069	0.158	1.80E-05*
Year (Y)	0.144	2	0.034	0.101	1.35E-02*
L × ST	0.446	9	0.189	0.376	2.34E-02*
L × Y	0.143	6	0.095	0.224	1.84E-01
ST × Y	0.176	6	0.095	0.224	1.07E-01
L × ST × Y	1.296	18	0.235	0.483	2.24E-04*

¹The effect of location (L), sampling time (ST), and year (Y) on bacterial profiles in calves from 3 locations at USMARC.

*P value < 0.05.