Table 2.
Breakpoint values of each antimicrobial agent according to [36].
| Antimicrobial agent(s) tested | Disc concentration | Salmonella isolates | ||
|---|---|---|---|---|
| Resistant ≤ mm | Intermediate (mm) | Sensitive ≥ mm | ||
| Ampicillin (AM) | 10 μg | 13 | 14 : 16 | 17 |
| Ciprofloxacin (CIP) | 5 μg | 15 | 16 : 20 | 21 |
| Chloramphenicol (C) | 30 μg | 12 | 13 : 17 | 18 |
| Streptomycin (STR) | 10 μg | 11 | 12 : 14 | 15 |
| Gentamycin (CN) | 10 μg | 12 | 13 : 14 | 15 |
| Erythromycin (E) | 15 μg | 13 | 14 : 22 | 23 |
| Doxycycline (Do) | 30 μg | 10 | 11 : 13 | 14 |
| Levofloxacin (LEV) | 5 μg | 13 | 14 : 16 | 17 |
| Lincomycin (L) | 2 μg | 9 | 10 : 14 | 15 |
| Norfloxacin (NOR) | 10 μg | 12 | 13 : 16 | 17 |
| Colistin (CT) | 10 μg | 10 | 11 : 13 | 14 |