Transmission of Escherichia coli 0 l57: H7 to cattle by house flies

Abstract

1 he aims of this study were to determin the prevalence of and characteriLe E coli
0157. H7 &'>OCiated with houseflies. Musca domestica were collected from different
sites on a canle fann o•er a S- month period and processed individuaaly for E. coli
0157: H7 isolation and quanitication. E. coli T 0157 counts ranged from 5• 106
-
3"107 CI'U among posit ive houseflies . Microobial resistance of five different
antimicrobial; agents revealed that all the E. coli 0157: H7 isolates from all i~olates
were resi,tant to one or more of antimocrobial agents