| Genes | Primer sequences | Product size (bp) |
| tetA | F-5’-GGTTCACTCGMCGACGTCA-3’ R-5’-CTGTCCCACMGTTGCATGA-3’ | 372 bp |
| tetB | F-5’-GAGACGCAATCGAATTCGG-3’ R-5’-TTTAGTGGCTATTCTTCCTGCC-3’ | 228 bp |
| blaCTX-M | F-5’-SCSATGTGCAGYACCAGTAA3’ R-5’-CCCGCRATATGRTTGGTGGTGGTG-3’ | 554 bp |
| blaTEM | F-5’-ATGAGTATTCMCATTTCCG-3’ R-5’-CCMTGCTTMTCAGTGAGG-3’ | 858 bp |
| blaSHV | F-5’-ATGCGTTATATTCGCCTGTG-3’ R-5’-AGCGTTGGCCAGTGCTCGATC-3’ | 862 bp |
| Sul1 | F-5’-CGGCGTGGGCTACCTGMCG-3’ R-5’-GCCGATCGTGMGTTCCG-3’ | 450 bp |
| Sul2 | F-5’-GCGCTCAAGGCAGATGGCATT-3’ R-5-GCGTTTGATACCGGCACCCGT-3’ | 625 bp |