Table 4. Antibiotic resistance pattern of bacteria [n (%) of isolates] associated with bubaline mastitis.
| Antibiotic | Content per disk | Breakpoint to declare resistance | CoNS (n = 125) | S. aureus (n = 14) | Streptococcus (n = 35) | E. coli (n = 19) |
|---|---|---|---|---|---|---|
| MET | 5 μg | 9 mm | 107 (85.6) | 11 (78.6) | 35 (100) | 19 (100) |
| AMS | 30/15 μg | 31 mm | 103 (82.4) | 11 (78.6) | 30 (85.7) | 19 (100) |
| P | 10 μg | 28 mm | 90 (72) | 12 (85.7) | 31 (88.6) | 19 (100) |
| AMP | 10 μg | 28 mm | 87 (69.6) | 10 (71.4) | 29 (82.9) | 19 (100) |
| CIS | 30/15 μg | 23 mm | 66 (52.8) | 13 (92.9) | 26 (74.3) | 19 (100) |
| CX | 30 μg | 24 mm | 61 (48.8) | 14 (100) | 31 (88.6) | 19 (100) |
| CTX | 30 μg | 22 mm | 61 (48.8) | 12 (85.7) | 26 (74.3) | 19 (100) |
| S | 10 μg | 16 mm | 60 (48) | 11 (78.6) | 32 (91.4) | 19 (100) |
| CTR | 30 μg | 13 mm | 56 (44.8) | 10 (71.43) | 16 (45.7) | 8 (42.1) |
| EX | 10 μg | 21 mm | 14 (11.2) | 8 (57.1) | 27 (77.1) | 9 (47.4) |
| AK | 10 μg | 14 mm | 11 (8.8) | 5 (35.7) | 29 (82.9) | 19 (100) |
| OX | 1 μg | 10 mm | 7 (5.6) | 3 (21.4) | 10 (28.6) | 18 (94.73) |
| GEN | 10 μg | 12 mm | 5 (4) | 5 (35.7) | 19 (54.3) | 14 (73.68) |
| C | 30 μg | 12 mm | 5 (4) | 0 (0) | 5 (14.29) | 0 (0) |
| COT | 25 μg | 10 mm | 4 (3.2) | 1 (7.1) | 13 (37.14) | 2 (10.5) |
AK: Amikacin; AMP: Ampicillin; AMS: Amoxycillin with sulbactum; C: Chloramphenicol; CIS: Ceftriaxone with sulbactum; COT: Co-trimoxazole; CTR: Ceftriaxone; CTX: Cefotaxime; CX: Cefoxitin; EX: Enrofloxacin; GEN: Gentamicin; MET: methicillin; OX: Oxacillin; P: Penicillin; S: Streptomycin