Research Article
Antimicrobial Resistance Profile of E. coli Isolated from Raw Cow Milk and Fresh Fruit Juice in Mekelle, Tigray, Ethiopia
Table 1
Drug sensitivity interpretive zone of inhibition diameters.
| Antibiotics | Disc code | Potency | Zone of diameter | | | |
| Erythromycin | ERY | 15 μg | ≥23 | 14–22 | ≤13 | Cephalothin | CF | 30 μg | ≥18 | 15–17 | ≤14 | Norfloxacin | f | 50 μg | ≥17 | 13–16 | ≤12 | Sulfamethoxazole-trimethoprim | SXT-TMP | 300 μg | ≥16 | 11–15 | ≤10 | Streptomycin | S | 10 μg | ≥15 | 12–14 | ≤11 | Kanamycin | KAN | 30 μg | ≥18 | 14–17 | ≤13 | Chloramphenicol | CHL | 30 μg | ≥18 | | ≤18 | Tetracycline | TE | 30 μg | ≥22 | 19–21 | ≤19 | Gentamicin | GM | 10 μg | ≥18 | - | ≤18 | Ampicillin | AMP | 10 μg | ≥15 | 12–14 | ≤11 | Ciprofloxacin | CIP | 5 μg | ≥20 | | ≤20 | Ceftriaxone | CRO | 30 μg | ≥23 | 20–22 | ≤19 | Clindamycin | CC | 10 μg | ≥21 | 15–20 | ≤14 |
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Source: [ 14]. R: resistant; I: intermediate; S: sensitive. |