Table 2.
Antimicrobial agent | A. bestiarum (n = 54) | A. salmonicida (n = 45) | A. sobria (n = 41) | A. eucrenophila (n = 37) | Aeromonas spp. (n = 233) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MIC50 | MIC90 | COWT T/K | MIC50 | MIC90 | COWT T/K | MIC50 | MIC90 | COWT T/K | MIC50 | MIC90 | COWT T/K | COWT T/K | |
Tetracycline | 0.125 | 0.25 | 0.25* | 0.125 | 0.25 | 0.25 | 0.25 | 8 | 0.25 | 0.125 | 0.25 | 0.25/0.5 | 0.25 |
Chloramphenicol | 0.5 | 0.5 | NC/1 | 0.5 | 1 | 1/2 | 0.5 | 0.5 | 1/2 | 0.5 | 1 | 1/2 | 1/2 |
Florfenicol | 1 | 1 | 2 | 1 | 1 | 2 | 0.5 | 1 | 1 | 1 | 2 | 2 | 2/4 |
Ceftazidime | 0.25 | 0.5 | 0.5 | 0.125 | 0.5 | 0.5 | 0.125 | 0.25 | 0.25/0.5 | 0.125 | 1 | 0.25/NC | 0.5 |
Cefotaxime | 0.125 | 0.5 | NC | 0.125 | 2 | NC | <0.031 | 0.125 | NC | 0.125 | 1 | NC/0.5 | NC |
Temocillin | 1 | 2 | 2/4 | 1 | 2 | 2 | 0.5 | 2 | 8/4 | 1 | 2 | 4 | 4 |
Trimethoprim-sulfamethoxazole | 0.062 | 0.125 | 0.125/0.25 | 0.062 | 0.125 | 0.125/0.25 | 0.125 | 2 | 0.25/0.5 | 0.062 | 0.25 | 0.125/0.25 | 0.25 |
Gentamicin | 0.5 | 1 | 1/2 | 1 | 1 | NC/2 | 1 | 1 | 2 | 1 | 1 | NC/2 | 2/4 |
Erythromycin | 16 | 32 | 64/8 | 16 | 32 | NC | 8 | 8 | 16/32 | 16 | 32 | 64/16 | 32 |
Streptomycin | 2 | 2 | NC/8 | 2 | 2 | 4 | 4 | 16 | 8 | 2 | 4 | 4/8 | 4/8 |
Nalidixic acid | 0.125 | 0.25 | 0.125/0.25 | 0.125 | 0.125 | 0.25 | 0.125 | >128 | 0.125 | 0.125 | 4 | 0.25 | 0.25/.5 |
Oxolinic acid | 0.016 | 0.031 | 0.031 | 0.016 | 0.016 | 0.031 | 0.016 | 1 | 0.016 | 0.016 | 0.5 | 0.031 | 0.031 |
Flumequine | 0.031 | 0.031 | 0.062/0.125 | 0.031 | 0.062 | 0.062 | 0.031 | 1 | 0.062/0.031 | 0.031 | 0.25 | 0.062 | 0.062/0.125 |
Enrofloxacin | 0.016 | 0.031 | 0.031 | 0.016 | 0.031 | 0.031/0.062 | 0.031 | 0.5 | 0.016/0.031 | 0.016 | 0.125 | 0.062 | 0.125 |
Colistin | 3.2 | 51 | 12.75/25.5 | 6.4 | 51 | 12.75/NC | 1.6 | 3.2 | 6.4 | 3.2 | 51 | 6.4 | 6.4 |
T/K, Turnidge and Kronvall methods respectively. NC, COWT could not be computed.
A unique value means that the COWT values are identical for both methods.