Shiga Toxin-Producing Escherichia coli Isolated from Bovine Mastitic Milk: Serogroups, Virulence Factors, and Antibiotic Resistance Properties

Table 7

Prevalence of Shiga toxin-producing Escherichia coli serogroups isolated from bovine mastitis.

Serogroup	O157	O26	O103	O111	O145	O45	O91	O113	O121	O128	Nondetected
Total	11	15	3	—	3	2	6	3	2	2	26
(73)	(15.06%)	(20.54%)	(4.10%)	—	(4.10%)	(2.73%)	(8.21%)	(4.10%)	(2.73%)	(2.73%)	(35.61%)