Table 5. Relative abundance of E. coli phylogroups isolated from healthy dogs living in different countries.

Phylogroup	Phylogroup (%)
A	7.1	7.4	12.2	29.1
B1	53.6	25.0	58.8	35.0
B2	14.2	41.2	23.7	25.6
Da	21.4	26.4	5.3	10.3
Number of dogs	28	34	73	203
Locality	Canada	Japan	United Kingdom	Australia
Referenceb	[27]	[29]	[30]	This study

^a Phylogroup E and F strains detected using the Clermont [31] method would be identified as D strains using Clermont [3].

^b Published studies used the Clermont (2000) [31] method