Table 2.
Relative frequencies of isolates exhibiting resistance (R) or intermediate susceptibility (I) to the tested antimicrobials. A dash (–) denotes neither resistance nor intermediate sensitivity was detected (n = 63).
| Antimicrobial Agent | AMR Detected | All Isolates N = 63 |
Impala N = 15 |
Buffalo N = 8 |
Ostrich N = 6 |
Cattle N = 16 |
Pig N = 15 |
Goat N = 6 |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
E. coli spp. (n = 48) n (%) |
Shigella spp. (n = 15) n (%) |
E. coli spp. (n = 11) n (%) |
Shigella spp. (n = 3) n (%) |
E. coli spp. (n = 6) n (%) |
Shigella spp. (n = 1) n (%) |
E. coli spp. (n = 5) n (%) |
Shigella spp. (n = 1) n (%) |
E. coli spp. (n = 13) n (%) |
Shigella spp. (n = 3) n (%) |
E. coli spp. (n = 10) n (%) |
Shigella spp. (n = 4) n (%) |
E. coli spp. (n = 3) n (%) |
Shigella spp. (n = 3) n (%) |
||
| Ampicillin | R | 17 (27) | 3 (4.8) | 6 (42.9) | - | - | - | 3 (50) | 1 (16.7) | 7 (43.8) | - | 1 (6.7) | 1 (6.7) | - | 1 (16.7) |
| I | 10 (15.9) | 3 (4.8) | 2 (14.3) | - | - | 1 (12.5) | - | - | 2 (12.5) | 1 (6.2) | 5 (33.3) | - | 1 (16.7) | 1 (16.7) | |
| Amoxicillin + Clavulanic Acid | R | 5 (7.9) | - | 4 (28.6) | - | - | - | 1 (16.7) | - | - | - | - | - | - | - |
| I | 2 (3.2) | - | 1 (7.1) | - | - | - | 1 (16.7) | - | - | - | - | - | - | - | |
| Ceftazidime | R | 9 (14.3) | 1 (1.6) | 2 (14.3) | - | - | - | 1 (16.7) | - | 5 (31.2) | - | - | 1 (6.7) | 1 (16.7) | - |
| I | 4 (6.3) | - | - | - | - | - | - | - | 1(6.2) | - | 2 (13.3) | - | 1 (16.7) | - | |
| Cefotaxime | R | 6 (9.5) | 2 (3.2) | 2 (14.3) | - | - | - | 1(16.7) | 1(16.7) | 3 (18.8) | - | - | 1 (6.7) | - | - |
| I | 9 (14.3) | 1 (1.6) | 5 (35.7) | - | - | - | - | - | 2 (12.5) | - | 2(13.3) | - | - | 1 (16.7) | |
| Ceftriaxone | R | 4 (6.3) | - | 2 (14.3) | - | - | - | 1 (16.7) | - | 1 (6.2) | - | - | - | - | - |
| I | 7 (11.1) | 2 (3.2) | - | - | 1 (12.5) | - | - | 1 (16.7) | 4 (25) | 2 (12.5) | 1 (6.7) | - | - | - | |
| Kanamycin | R | 6 (9.5) | 3 (4.8) | 1 (7.1) | - | - | - | 2 (33.3) | 1 (16.7) | - | - | 1 (6.7) | 1 (6.7) | 2 (33.3) | 1 (16.7) |
| I | 20 (31.7) | 5 (7.9) | 5 (35.7) | 1 (7.1) | 3 (37.5) | 1 (12.5) | - | - | 6 (37.5) | 1 (6.2) | 4 (26.7) | 2 (13.3) | - | - | |
| Amikacin | R | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| I | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Gentamicin | R | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| I | 1 (1.6) | - | - | - | - | - | - | - | 1 (6.2) | - | - | - | - | - | |
| Imipenem | R | 1 (1.6) | - | 1 (7.1) | - | - | - | - | - | - | - | - | - | - | - |
| I | 2 (3.2) | - | 1 (7.1) | - | - | - | - | - | 2 (12.5) | - | - | - | - | - | |
| Nalidixic Acid | R | 3 (4.8) | 1(4) | 1 (7.1) | - | - | - | - | - | 2 (12.5) | - | 1 (6.7) | - | - | - |
| I | 1 (1.6) | - | 1 (7.1) | - | - | - | - | - | - | - | - | - | - | - | |
| Ciprofloxacin | R | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| I | 1 (1.6) | - | - | - | - | - | - | - | 1 (6.2) | - | - | - | - | - | |
| Trimethoprim + Sulfamethoxazole | R | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| I | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Chloramphenicol | R | 2 (3.2) | 1 (1.6) | - | - | - | - | - | - | - | 1 (6.2) | 1 (6.7) | - | 1 (16.7) | - |
| I | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |