Characteristics of Escherichia coli Isolated from Bovine Mastitis Exposed to Subminimum Inhibitory Concentrations of Cefalotin or Ceftazidime

Table 1

Primers used to detect extended spectrum beta-lactamase encoding genes.

Genes	Primer sequence (5′ to 3′)	Amplicon size (bp)
	CGC TTT GCG ATG TGC AG	550
	ACC GCG ATA TCG TTG GT
	GTT ACA ATG TGT GAG AAG CAG	1041
	CCG TTT CCG CTA TTA CAA AC
	ATG ATG ACT CAG AGC ATT CGC CGC	876
	TCA GAA ACC GTG GGT TAC GAT TTT
	GTG ACA AAG AGA GTG CAA CGG	857
	ATG ATT CTC GCC GCT GAA GCC
	CAC ACG TGG AAT TTA GGG ACT	995
	GCC GTC TAA GGC GAT AAA CA
	TTC TTG AAG ACG AAA GGG C	1150
	ACG CTC AGT GGA ACG AAA AC
	CAC TCA AGG ATG TAT TGT G	885
	TTA GCG TTG CCA GTG CTC G
	ACA CAA TAC ATA TCA ACT TCG C	813
	AGT GTG TTT AGA ATG GTG ATC