Table 3 Antimicrobial resistance of E. coli O157 and O157:H7 isolates from retail fresh samples of beef, chicken, duck, and mutton in South China
Antibiotic | Antibiotic disc content | Susceptibilitya | ||
|---|---|---|---|---|
R No. (%) | I No. (%) | S No. (%) | ||
Amikacin (AK) | 30 μg | 3 (10.7) | 1 (3.57) | 24 (85.72) |
Ampicillin (AMP) | 10 μg | 16 (57.14) | 0 (0) | 12 (42.86) |
Cefotaxime (CTX) | 30 μg | 3 (10.71) | 3 (10.71) | 22 (78.57) |
Ceftazidime (CAZ) | 10 μg | 1 (3.57) | 0 (0) | 27 (96.43) |
Cephalothin (KF) | 30 μg | 3 (10.71) | 4 (14.29) | 21 (75.00) |
Chloramphenicol (C) | 30 μg | 18 (64.29) | 0 (0) | 10 (35.71) |
Ciprofloxacin (CIP) | 5 μg | 1 (3.57) | 0 (0) | 27 (96.43) |
Gentamicin (CN) | 10 μg | 0 (0) | 0 (0) | 28 (100) |
Kanamycin (K) | 30 μg | 11 (39.29) | 0 (0) | 17 (60.71) |
Norfloxacin (NOR) | 10 μg | 2 (7.14) | 2 (7.14) | 24 (85.72) |
Penicillin (P) | 10Â U | 28 (100) | 0 (0) | 0 (0) |
Streptomycin (S) | 10 μg | 7 (25.00) | 3 (10.71) | 18 (64.29) |
Tetracycline (TE) | 30 μg | 13 (46.43) | 0 (0) | 15 (53.57) |