Research Article
Isolation and Identification of Methicillin-Resistant Staphylococcus aureus (MRSA) from Milk in Shire Dairy Farms, Tigray, Ethiopia
Table 1
In vitro antimicrobial drug susceptibility test results of S. aureus isolates.
| | Antimicrobial discs | Interpretations | | Susceptible no. (%) | Intermediate no. (%) | Resistant no. (%) |
| | Ampicillin | 0 | 0 | 21 (100) | | Nalidixic acid | 0 | 0 | 21 (100) | | Kanamycin | 9 (42.85) | 5 (23.8) | 7 (33.33) | | Trimethoprim | 8 (38.09) | 3 (14.28) | 10 (47.61) | | Streptomycin | 9 (42.85) | 4 (19.04) | 8 (38.09) | | Oxytetracycline | 9 (42.85) | 1 (4.76) | 10 (47.61) | | Amoxicillin | 3 (14.285) | 0 | 18 (85.71) | | Oxacillin | 12 (57.14) | 2 (9.52) | 7 (33.33) | | Penicillin G | 0 | 0 | 21 (100) | | Vancomycin | 8 (38.09) | 4 (19.04) | 8 (38.09) | | Compound sulfonamides | 1 (4.76) | 8 (38.09) | 12 (57.14) |
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