Table 6.

Abundances of the most commonly represented Bacteroides species in feces of infants (30 infants per group)

Species	Mean % abundance (SEM)a
	Breast	Goat	Cow
B. vulgatus	1.98 (1.70)	0.07 (0.06)	0.00 (0.00)
B. fragilis	1.73 (0.71)	0.19 (0.18)	0.00 (0.00)
B. thetaiotaomicron	0.45 (0.38)	0.04 (0.04)	0.00 (0.00)
Bacteroides dorei	0.17 (0.14)	0.00 (0.00)	0.00 (0.00)
Bacteroides sp. Smarlab 3301643	0.15 (0.11)	0.00 (0.00)	0.00 (0.00)
Bacteriodes uniformis	0.14 (0.07)	0.00 (0.00)	0.00 (0.00)
Bifidobacterium stercoris	0.09 (0.09)	0.00 (0.00)	0.00 (0.00)
Bacteroides ovatus	0.05 (0.03)	0.00 (0.00)	0.00 (0.00)
Bacteroides acidofaciens	0.01 (0.01)	0.00 (0.00)	0.00 (0.00)
Bacteroides faecis	0.00 (0.00)	0.02 (0.02)	0.02 (0.02)

^aNormalized to total sequences.