Table 2 Antibiotic resistance profiles of E. coli O157:H7 isolates from cattle and sheep feces and/or colon tissue samples
From: Antibiotic resistance of Escherichia coli O157:H7 isolated from cattle and sheep
Number of E. coli O157:H7 isolates (%) | ||||||
|---|---|---|---|---|---|---|
| Â | Cattle (n = 11) | Sheep (n = 14) | ||||
Antibiotic (μg disc−1) | Ra | Ia | Sa | Ra | Ia | Sa |
Ampicillin (AMP-10) | Â | 7 (63.63) | 4 (36.36) | Â | 5 (35.71) | 9 (64.28) |
Cephazolin (KZ-30) | Â | Â | 11 (100) | Â | Â | 14 (100) |
Cephalothin (KF-30) | 4 (36.36) | 7 (63.63) | Â | Â | 10 (71.42) | 4 (28.57) |
Gentamicin (CN-120) | Â | Â | 11(100) | Â | Â | 14 (100) |
Amikacin (AK-30) | Â | 5 (45.45) | 6 (54.54) | Â | 2 (14.28) | 12 (85.71) |
Amoxicillin/clavulanic acid (AMC-30) | Â | 1 (9.09) | 10 (90.90) | Â | Â | 14 (100) |
Cefoxitin (FOX-30) | Â | 1 (9.09) | 10 (90.90) | Â | Â | 14 (100) |
Ceftriaxone (CRO-30) | Â | Â | 11 (100) | Â | 1 (7.14) | 13 (92.85) |
Ciprofloxacin (CIP-5) | Â | Â | 11 (100) | Â | Â | 14 (100) |
Imipenem (IPM-10) | Â | Â | 11 (100) | Â | Â | 14 (100) |
Trimethoprim/sulphamethoxazole (SXT-25) | Â | Â | 11 (100) | Â | Â | 14 (100) |
Chloramphenicol (C-30) | Â | Â | 11 (100) | Â | Â | 14 (100) |
Kanamycin (K-30) | Â | 8 (72.72) | 3 (27.27) | Â | 2 (14.28) | 12 (85.71) |
Tetracycline (TE-30) | Â | Â | 11 (100) | Â | 3 (21.42) | 11 (78.57) |
Trimethoprim (W-5) | Â | Â | 11 (100) | Â | Â | 14 (100) |
Sulphonamide compounds (S3-300) | Â | 3 (27.27) | 8 (72.72) | 1 (7.14) | Â | 13 (92.85) |
Ceftiofur (EFT-30) | Â | Â | 11 (100) | Â | Â | 14 (100) |
Streptomycin (S-10) | 1 (9.09) | 10 (90.90) | Â | 1 (7.14) | 11 (78.57) | 2 (14.28) |
Nalidixic acid (NA-30) | 1 (9.09) | Â | 10 (90.90) | Â | 3 (21.42) | 11 (78.57) |
Sulphamethoxazole (RL-25) | Â | 7 (63.63) | 4 (36.36) | 2 (14.28) | 7 (50.00) | 5 (35.71) |