Table 5.

MIC values to cephalosporins and ESBL genes of 32 ESBL-producing of Salmonella isolates from clinical specimens.

Strain	Antimicrobial pattern	No. isolate	MIC (μg/ml)				β-lactamase and ESBL gene
			FOX	CTX	CAZ	CRO
S. Agona	FOX-CTX-CAZ-CRO-CIP-NAL (n = 2)	1	≥256	128	≥256	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		1	≥256	96	≥256	≥256	blaTEM-1, blaCMY-2
	FOX-CTX-CAZ-CRO (n = 3)	1	≥256	96	≥256	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		1	≥256	128	96	≥256	blaTEM-1, blaCMY-2
		1	96	≥256	128	≥256	blaTEM-1, blaCMY-2
	CTX-CAZ-CRO (n = 1)	1	4	128	≥256	≥256	blaTEM-1, blaCMY-2
S.I. 4,5,12:I: -	CTX-CAZ-CRO-CIP-NAL (n = 6)	1	12	≥256	32	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		3	6	≥256	32	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		1	2	≥256	192	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		1	2	≥256	96	≥256	blaCTX-M-15, blaTEM-1
	CTX-CAZ-CRO (n = 18)	1	4	≥256	48	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		1	4	≥256	96	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		2	2	≥256	32	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		1	3	≥256	64	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		1	2	≥256	192	≥256	blaCTX-M-15, blaTEM-1, blaCMY-2
		1	12	≥256	32	≥256	blaCTX-M-15, blaCMY-2
		1	16	≥256	48	≥256	blaCTX-M-15, blaCMY-2
		1	6	≥256	32	≥256	blaCTX-M-15, blaCMY-2
		1	2	≥256	128	≥256	blaCTX-M-15, blaCMY-2
		1	1.5	≥256	64	≥256	blaCTX-M-15, blaCMY-2
		1	2	≥256	64	≥256	blaCTX-M-15, blaTEM-1
		1	8	≥256	32	≥256	blaCTX-M-14, blaTEM-1, blaCMY-2
		1	3	≥256	64	≥256	blaTEM-1, blaCMY-2
		1	12	128	64	≥256	blaTEM-1, blaCMY-2
		1	12	≥256	32	≥256	blaTEM-1, blaCMY-2
		1	1.5	≥256	≥256	≥256	blaCMY-2
		1	2	≥256	64	≥256	blaCMY-2
S. Rissen	FOX-CTX-CAZ-CRO-CIP-NAL (n = 2)	1	192	≥256	64	≥256	blaCTX-M-15, blaTEM-1
		1	≥256	96	≥256	≥256	blaCMY-2

CAZ, ceftazidime; CTX, cefotaxime; CRO, ceftriaxone; FOX, cefoxitin, NAL, nalidixic acid and CIP, ciprofloxacin.