Table 4.
List of multidrug-resistant Salmonella isolates showing their antibiotic resistance phenotypes determined by disk diffusion method.
| Antimicrobial resistance phenotype | No. of resistant S . enteritidis | No. of resistant S . Typhimurium | No. of resistant other Salmonella serovars | Total No. of resistant isolates |
|---|---|---|---|---|
| OT, STR | 2 | - | - | 2 |
| DTX NAL, STR | 9 | - | - | 9 |
| DTX, NAL OT | 6 | - | - | 6 |
| DTX, NAL OT, STR, | 6 | - | 3 (Paratyphi A) | 9 |
| AMP, DTX, KAN, NAL OT, STR, | 5 | - | 1 (Paratyphi A) | 6 |
| DTX, GEN NAL, OT, STR, SXT | 1 | - | - | 1 |
| DTX, KAN, NAL , OT, STR, SXT | - | 1 | - | 1 |
| ATM, AMP, CAZ, DTX,NAL, STR, SXT | - | - | 1 (Havana) | 1 |
| AMC, CHL, DTX, KAN, NAL, OT, STR | 1 | - | - | 1 |
| AMP,ATM, CAZ, CHL, DTX, NAL, OT, STR, SXT | 1 | - | - | 1 |
| AMP, CAZ, CHL, DTX, KAN, NAL, OT, STR, SXT | - | 3 | 1 (Paratyphi B) | 4 |
| AMC, CFM, CHL, CRO, DTX, GEN, NAL, OT, STR, SXT | 1 | - | 1 (Paratyphi C) | 2 |
| AMP, ATM, CAZ, CFM, CHL,CTX, DTX, GEN, KAN, NAL, OT, STR, SXT | - | - | 1 (Paratyphi B) | 1 |
| ATM, CEF, CFM, CHL CIP, CRO, CTX, DTX, NAL, NOR, OT, STR, SXT | 1 | - | - | 1 |
AMC (20/10 µg), Amoxicillin-clavulanic acid; AMP (10 µg), Ampicillin; ATM (30 µg), Aztreonam; CAZ (30 µg), Ceftazidime; CEF (30 µg), Cefalothin; CFM (5 µg), Cefixime; CHL (30 µg), Chloramphenicol; CIP (5 µg), Ciprofloxacin; CRO (30 µg), Ceftriaxone; CTX (30 µg), Cefotaxime; DTX (30 µg), Doxycycline; GEN (10 µg), Gentamicin; IMP (10 µg), Imipenem; KAN (30 µg), Kanamycin; NAL (30 µg), Nalidixic acid; NOR (10 µg), Norfloxacin; OT (30 µg), Oxytetracycline; STR (10 µg), treptomycin; SXT (25 µg), Trimethoprim- Sulfamethoxazole.