Table 6 Antimicrobial resistance genes of the Salmonella isolates
Drug classes | Resistance genes | Number of isolates | Positive rates (%) |
|---|---|---|---|
Quinolones 40.00% | qnrA | 0 | 0.00 |
qnrB | 1 | 1.25 | |
qnrC | 0 | 0.00 | |
qnrD | 0 | 0.00 | |
qnrS | 5 | 6.25 | |
qepA | 4 | 5.00 | |
oqxA | 14 | 17.50 | |
oqxB | 9 | 11.25 | |
Aminoglycosides 51.25% | aac(6′)-Ib | 16 | 20.00 |
aadA1 | 33 | 41.25 | |
Sulfonamides 27.50% | sul1 | 8 | 10.00 |
sul2 | 21 | 26.25 | |
β-lactamase 43.75% | blaOXA-1 | 9 | 11.25 |
blaPSE-1 | 8 | 10.00 | |
blaTEM | 20 | 25.00 | |
blaCMY-2 | 1 | 1.25 | |
Tetracyclines 73.75% | tetA | 51 | 63.75 |
tetB | 6 | 7.50 | |
tetG | 6 | 7.50 | |
Chloramphenicols 60.00% | catA1 | 38 | 47.50 |
floR | 22 | 27.50 | |
Trimethoprim 15.00% | dfrA1 | 12 | 15.00 |