Table 1 Antibiotic resistance patterns for various serovars of H2S-negative Salmonella isolates
Antimicrobial drugs | Resistant isolates, % (n) | ||||||
|---|---|---|---|---|---|---|---|
Total (n = 46) | Gallinarum (n = 15) | Typhimurium (n = 8) | Choleraesuis (n = 6) | Meleagridis (n = 2) | Derby (n = 1) | Give (n = 1) | |
Cefazidime | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Ceftriaxone | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cefepime | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cefoperazone | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Imipenem | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Nitrofurantoin | 2 (1) | 0 | 13 (1) | 0 | 0 | 0 | 0 |
Piperacillin | 4 (2) | 0 | 13 (1) | 17 (1) | 0 | 0 | 0 |
Ticarcillin | 46 (21) | 80 (12) | 50 (4) | 67 (4) | 0 | 0 | 100 (1) |
Ticarcillin-clavulanic acid | 7 (3) | 6 (1) | 25 (2) | 0 | 0 | 0 | 0 |
Ampicillin | 46 (21) | 80 (12) | 50 (4) | 67 (4) | 0 | 0 | 100 (1) |
Tetracycline | 35 (16) | 13 (2) | 63 (5) | 83 (5) | 100 (2) | 100 (1) | 100 (1) |
Cefazolin | 2 (1) | 7 (1) | 0 | 0 | 0 | 0 | 0 |
Cefoxitin | Â | 0 | 0 | 0 | 0 | 0 | 0 |
Aztreonam | Â | 0 | 0 | 0 | 0 | 0 | 0 |
Chloramphenicol | 15 (7) | 0 | 25 (2) | 50 (3) | 0 | 100 (1) | 100 (1) |
Tobramycin | 2 (1) | 0 | 0 | 0 | 0 | 0 | 100 (1) |
Gentamicin | 13 (6) | 0 | 25 (2) | 50 (3) | 0 | 0 | 100 (1) |
Amikacin | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Trimethoprim-sulfamethoxazole | 24 (11) | 6 (1) | 25 (2) | 67 (4) | 100 (2) | 100 (1) | 100 (1) |
Norfloxacin | 4 (2) | 0 | 25 (2) | 0 | 0 | 0 | 0 |
Levofloxacin | 4 (2) | 0 | 25 (2) | 0 | 0 | 0 | 0 |