Table 1.
AMR profiles of Aeromonas isolates
| Antimicrobials | No. of resistant isolates (%) | Chi-square index (χ2) | |||
|---|---|---|---|---|---|
| A. hydrophila | A. sobria | A. caviae | Total | ||
| Cloxacillin | 53 (100) | 31 (100) | 11 (100) | 95 (100) | / |
| Spiramycin | 53 (100) | 31 (100) | 11 (100) | 95 (100) | / |
| Tilmicosin | 53 (100) | 31 (100) | 11 (100) | 95 (100) | / |
| Ampicillin* | 53 (100) | 31 (100) | 10 (90.9) | 94 (98.9) | 7.72 |
| Tylosin | 53 (100) | 30 (96.8) | 11 (100) | 94 (98.9) | 2.09 |
| Penicillin | 52 (98.1) | 30 (96.8) | 11 (100) | 93 (97.9) | 0.44 |
| Sulfadiazine* | 53 (100) | 28 (90.3) | 11 (100) | 92 (96.8) | 6.40 |
| Amoxicillin | 52 (98.1) | 30 (96.8) | 10 (90.9) | 92 (96.8) | 1.55 |
| Tiamulin** | 48 (90.6) | 22 (71.0) | 11 (100) | 81 (85.3) | 8.13 |
| Neomycin** | 27 (50.9) | 26 (83.9) | 4 (36.4) | 57 (60.0) | 11.73 |
| Erythromycin*** | 35 (66.0) | 9 (29.0) | 11 (100) | 55 (57.9) | 20.04 |
| Cephaloridine*** | 38 (71.7) | 3 (9.7) | 10 (90.9) | 51 (53.7) | 37.19 |
| AMC | 27 (50.9) | 11 (35.5) | 5 (45.5) | 43 (45.3) | 1.89 |
| Apramycin*** | 16 (30.2) | 23 (74.2) | 0 | 39 (41.1) | 24.32 |
| Tetracycline** | 12 (22.6) | 1 (3.2) | 5 (45.5) | 18 (8.9) | 10.49 |
| SXT** | 14 (26.4) | 0 | 2 (18.2) | 16 (16.8) | 9.76 |
| Nalidixic acid* | 12 (22.6) | 0 | 3 (27.3) | 15 (15.8) | 8.77 |
| Thiamphenicol* | 11 (20.8) | 0 | 2 (18.2) | 13 (13.7) | 7.35 |
| Kanamycin | 5 (9.4) | 6 (19.4) | 0 | 11 (11.6) | 3.51 |
| Danofloxacin | 7 (13.2) | 0 | 2 (18.2) | 9 (9.5) | 5.08 |
| Enrofloxacin*** | 4 (7.5) | 0 | 4 (36.4) | 8 (8.4) | 14.04 |
| Flumequine | 5 (9.4) | 0 | 2 (18.2) | 7 (7.4) | 4.68 |
| Ceftiofur*** | 1 (1.9) | 1 (3.2) | 4 (36.4) | 6 (6.3) | 19.04 |
| Aminosidine* | 1 (1.9) | 5 (16.1) | 0 | 6 (6.3) | 7.54 |
| Colistin | 4 (7.5) | 2 (6.5) | 0 | 6 (6.3) | 0.88 |
| Doxycycline** | 2 (3.8) | 0 | 3 (27.3) | 5 (5.3) | 12.64 |
| Gentamicin | 3 (5.7) | 0 | 0 | 3 (3.2) | 2.45 |
| Marbocyl | 3 (5.7) | 0 | 0 | 3 (3.2) | 2.45 |
| Florfenicol | 2 (3.8) | 0 | 1 (9.1) | 3 (3.2) | 2.34 |
| Cefquinome | 0 | 0 | 0 | 0 | / |
Significant differences between Aeromonas complexes were indicated by: * P < 0.05, ** P < 0.01, *** P < 0.001