Table 3 Antibiogram of the isolated Salmonella serovars (n = 35)
Antimicrobial classes | Interpretation | ||||||
|---|---|---|---|---|---|---|---|
Tested antimicrobial agents | S. Enteritidis | S. Typhimurium | |||||
Sensitive n (%) | Intermediate n (%) | Resistant n (%) | Sensitive n (%) | Intermediate n (%) | Resistant n (%) | ||
Penicillins | Amoxicillin | 0 | 0 | 20(100) | 0 | 0 | 15 (100) |
β-Lactam-β-lactamase-inhibitor-combinations | Amoxicillin–clavulanic acid | 0 | 2 (10) | 18 (90) | 0 | 3 (20) | 12 (80) |
Cephalosporins | Cefotaxime | 1(5) | 2 (10) | 17 (85) | 0 | 2 (13.3) | 13 (86.7) |
Ceftazidime | 0 | 3 (15) | 17(85) | 0 | 2 (13.3) | 13 (86.7) | |
Carbapenem | Meropenem | 19 (95) | 1 (5) | 1 (5) | 15 (100) | 0 | 0 |
Aminoglycosides | Gentamycin | 2 (10) | 5 (25) | 13 (65) | 2 (13.3) | 3 (20) | 10 (66.7) |
Neomycin | 2 (10) | 5 (25) | 13 (65) | 1 (6.7) | 4 (26.7) | 10 (66.7) | |
Macrolides | Erythromycin | 0 | 2 (10) | 18 (90) | 0 | 1 (6.7) | 14 (93.3) |
Fluoroquinolones | Norfloxacin | 17 (85) | 1 (5) | 2 (10) | 13 (86.7) | 1 (6.7) | 1 (6.7) |
Tetracycline | Oxytetracycline | 0 | 0 | 20 (100) | 0 | 0 | 15 (100) |
Sulfonamides | Trimethoprim–Sulfamethoxazole | 0 | 0 | 20 (100) | 0 | 0 | 15 (100) |
Chi square | Â | 135.8 | 17.238 | 34.709 | 110.58 | 14.25 | 26.864 |
P value |  | P < 0.0001 | 0.06926 | 0.00014 | P < 0.0001 | 0.1619 | 0.002736 |