Isolation and Antimicrobial Susceptibility Profile of Escherichia coli O157 : H7 from Raw Milk of Dairy Cattle in Holeta District, Central Ethiopia

Table 3

Antimicrobial susceptibility pattern of E. coli O157 : H7 isolates.

Drugs	Resistant	Intermediate	Susceptible
Streptomycin	5 (45.45%)	5 (45.45%)	1 (9.09%)
Sulphamethoxazole	6 (54.54%)	5 (45.45%)	0 (0%)
Cefoxitin	8 (72.73%)	3 (27.27%)	0 (0%)
Tetracycline	1 (9.09%)	3 (27.27%)	7 (63.63%)
Oxytetracycline	0 (0%)	0 (0%)	11 (100%)
Vancomycin	2 (18.18%)	6 (54.54%)	3 (27.27%)
Ciprofloxacin	0 (0%)	0 (0%)	11 (100%)
Trimethoprim	4 (36.36%)	6 (54.54%)	1 (9.09%)
Gentamicin	0 (0%)	0 (0%)	11 (100%)
Chloramphenicol	4 (36.36%)	4 (36.36%)	3 (27.27%)
Cloxacillin	6 (54.54%)	5 (45.45%)	0 (0%)