Table 1.

Primers for the bla _TEM, bla _SHV, and bla _CTX-M genes used in this study

Primers	Primer sequence 5′ to 3′	Size (bp)
TEM F TEM R	AGT GCT GCC ATA ACC ATG AGT G CTG ACT CCC CGT CGT GTA GAT A	431
SHV F SHV R	GAT GAA CGC TTT CCC ATG ATG CGC TGT TAT CGC TCA TGG TAA	214
CTX F CTX R	ATG TGC AGY ACC AGT AAR GT TGG GTR AAR TAR GTS ACC AGA	593