Table 1. Diversity among 12 cows and public repositories.

	Label	# of sequences	Distance	# of OTUs	Inv Simpson	Chao	Shannon	Shannon Evenness	Coverage
Bacteria	COWS	23,493	0.03	4,367	376 (339, 423)	11,176 (10,486, 11,943)	7.65 (7.62, 7.69)	0.91	67.12%
	REF	14,332	0.03	4,670	837 (793, 887)	9,479 (8,984, 10,030)	7.68 (7.66, 7.70)	0.91	81.43%
Archaea	COWS	138	0.03	20	6 (5, 7)	29 (22, 60)	2.10 (1.91, 2.30)	0.70	93.48%
	REF	2,484	0.03	486	17 (16, 19)	2,281 (1,717, 3,105)	4.22 (4.13, 4.30)	0.68	85.31%
Eukarya	COWS	2,089	0.03	52	4 (4, 5)	76 (60, 123)	2.16 (2.07, 2.24)	0.55	98.37%
	REF	859	0.03	168	10 (9, 12)	793 (505, 1,327)	3.38 (3.25, 3.50)	0.66	85.10%