Table 3. Quinolone susceptibility pattern of S. enterica subsp. enterica isolated from pet turtles.
| Isolate* | Disk diffusion zone diameters (mm)a | MIC (µg/mL)b | ||||||
|---|---|---|---|---|---|---|---|---|
| NDX30 | OFX5 | CIP5 | LEV5 | NDX | CIP | OFX | LEV | |
| YB1 | 24 (S) | 31 (S) | 35 (S) | 33 (S) | 8 (S) | 0.015 (S) | 0.06 (S) | 0.030 (S) |
| YB2 | 22 (S) | 32 (S) | 36 (S) | 33 (S) | 4 (S) | 0.030 (S) | 0.06 (S) | 0.030 (S) |
| YB3 | 22 (S) | 30 (S) | 35 (S) | 32 (S) | 4 (S) | 0.030 (S) | 0.06 (S) | 0.030 (S) |
| YB4 | 18 (I) | 30 (S) | 32 (S) | 32 (S) | 16 (S) | 0.030 (S) | 0.06 (S) | 0.030 (S) |
| RC1 | 18 (I) | 31 (S) | 34 (S) | 32 (S) | 8 (S) | 0.030 (S) | 0.06 (S) | 0.030 (S) |
| RC2 | 18 (I) | 30 (S) | 32 (S) | 33 (S) | 16 (S) | 0.030 (S) | 0.06 (S) | 0.030 (S) |
| RC3 | 22 (S) | 32 (S) | 36 (S) | 34 (S) | 4 (S) | 0.015 (S) | 0.06 (S) | 0.015 (S) |
| CM1 | 21 (S) | 31 (S) | 34 (S) | 32 (S) | 4 (S) | 0.015 (S) | 0.06 (S) | 0.030 (S) |
| CM2 | 23 (S) | 33 (S) | 37 (S) | 35 (S) | 4 (S) | 0.015 (S) | 0.03 (S) | 0.015 (S) |
| CSS1 | 25 (S) | 32 (S) | 37 (S) | 35 (S) | 4 (S) | 0.015 (S) | 0.06 (S) | 0.030 (S) |
| CSS2 | 23 (S) | 31 (S) | 36 (S) | 33 (S) | 8 (S) | 0.015 (S) | 0.06 (S) | 0.030 (S) |
| WP1 | 24 (S) | 31 (S) | 34 (S) | 33 (S) | 8 (S) | 0.030 (S) | 0.06 (S) | 0.030 (S) |
| CSN1 | 23 (S) | 32 (S) | 32 (S) | 35 (S) | 8 (S) | 0.015 (S) | 0.06 (S) | 0.030 (S) |
| CSN2 | 24 (S) | 32 (S) | 34 (S) | 33 (S) | 4 (S) | 0.015 (S) | 0.03 (S) | 0.015 (S) |
| CSN3 | 23 (S) | 33 (S) | 32 (S) | 34 (S) | 4 (S) | 0.030 (S) | 0.06 (S) | 0.030 (S) |
| CSN4 | 24 (S) | 30 (S) | 33 (S) | 34 (S) | 4 (S) | 0.015 (S) | 0.06 (S) | 0.030 (S) |
| CSN5 | 24 (S) | 31 (S) | 36 (S) | 34 (S) | 4 (S) | 0.015 (S) | 0.03 (S) | 0.030 (S) |
| CSN6 | 22 (S) | 32 (S) | 37 (S) | 33 (S) | 8 (S) | 0.030 (S) | 0.06 (S) | 0.015 (S) |
| CSN7 | 20 (S) | 32 (S) | 36 (S) | 33 (S) | 8 (S) | 0.030 (S) | 0.06 (S) | 0.030 (S) |
| CSN8 | 19 (S) | 33 (S) | 39 (S) | 36 (S) | 8 (S) | 0.015 (S) | 0.03 (S) | 0.015 (S) |
| CSN9 | 23 (S) | 31 (S) | 36 (S) | 35 (S) | 8 (S) | 0.030 (S) | 0.06 (S) | 0.015 (S) |
aDisk diffusion zone diameters (mm): NDX30=nalidixic acid (30 µg), OFX5=ofloxacin (5 µg), CIP5=ciprofloxacin (5 µg), LEV5=levofloxacin (5 µg); S=susceptible, I=intermediate, R=resistant were designated using breakpoints described by the Clinical Laboratory Standards Institute (CLSI-2014) [27].
bMIC (µg/mL): S=susceptible, I=intermediate, R=resistant were designated using breakpoints described by the Clinical Laboratory Standards Institute (CLSI-2014) [27].
*Isolate number was given according to the turtle species from which the strains were isolated: YB=yellow-bellied slider, RC=river cooter, CM=common musk turtle, CSS=Chinese softshell turtle, WP=western painted turtle, CSN=Chinese stripe-necked turtle.