Table 3.
Percentage antimicrobial resistance of Aeromonas spp. isolated from aquatic environment of Kerala
| Antibiotic (concentration, µg) |
A. dhakensis
(n = 7) |
A. hydrophila
(n = 4) |
A. jandaei
(n = 3) |
Resistant strains (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| R | I | S | R | I | S | R | I | S | ||
| Ampicillin (10) | 100 | 100 | 100 | 100 | ||||||
| Ampicillin/Sulbactam (10/10) | 100 | 100 | 100 | 100 | ||||||
| Piperacillin/Tazobactam (100/10) | 100 | 100 | 100 | 100 | ||||||
| Tetracycline (30) | 71.4 | 28.6 | 25 | 75 | 100 | 42.9 | ||||
| Gentamicin (10) | 100 | 100 | 100 | - | ||||||
| Streptomycin (10) | 14.3 | 85.7 | 100 | 100 | - | |||||
| Kanamycin (30) | 14.3 | 85.7 | 100 | 100 | - | |||||
| Amikacin (30) | 100 | 100 | 100 | - | ||||||
| Trimethoprim/sulfamethoxazole (25) | 100 | 100 | 100 | - | ||||||
| Chloramphenicol (30) | 100 | 100 | 100 | - | ||||||
| Cephalothin (30) | 100 | 100 | 100 | 100 | ||||||
| Ceftriaxone (30) | 100 | 50 | 25 | 25 | 100 | 64.3 | ||||
| Imipenem (10) | 100 | 100 | 100 | 100 | ||||||
| Nitrofurantoin (30) | 100 | 100 | 100 | - | ||||||
| Aztreonam (30) | 100 | 100 | 100 | 100 | ||||||
| Ciprofloxacin (5) | 100 | 100 | 100 | - | ||||||
| Nalidixic Acid (30) | 71.4 | 28.6 | 25 | 75 | 100 | 42.9 | ||||
| Clindamycin (2) | 100 | 100 | 100 | 100 | ||||||