Escherichia coli Strains Isolated from the Uteri Horn, Mouth, and Rectum of Bitches Suffering from Pyometra: Virulence Factors, Antimicrobial Susceptibilities, and Clonal Relationships among Strains

Table 4

Linkage of virulence genes in isolates of E. coli from canine pyometra and feces of healthy bitches.

Number of virulence genes per isolate	Number of E. coli isolates
	Bitches with pyometra			Healthy bitches
	Uteri pus	Saliva	Feces	Feces
None	1	0	1	0
1	16	15	7	23
2	6	5	1	13
3	1	4	3	5
4	0	2	5	2
5	1	0	2	0