TABLE 1.

Antimicrobial resistance of 117 Salmonella isolates recovered from retail meat.

Antimicrobiala	Resistance breakpointb	No. of resistant isolates (%)
AMP	32	79(67.5%)
SAM	32/16	77(65.8%)
PIP	128	68(58.1%)
CXM	32	34(29.1%)
CRO	4	24(20.5%)
ATM	16	20(17.1%)
PEP	16	16(13.7%)
CAZ	16	15(12.8%)
CTT	64	0(0.0%)
IPM	4	0(0.0%)
TZP	128/4	0(0.0%)
GEN	16	24(20.5%)
TOB	16	22(18.8%)
AMK	64	10(8.5%)

^aAntimicrobial abbreviations: ampicillin (AMP), ampicillin-sulbactam (SAM), piperacillin (PIP), cefuroxime (CXM), ceftriaxone (CRO), aztreonam (ATM), cefepime (PEP), ceftazidime (CAZ), cefotetan (CTT), imipenem (IPM), piperacillin-tazobactam (TZP), gentamicin (GEN), tobramycin (TOB), amikacin (AMK).

^bBreakpoints followed the instructions of the Clinical and Laboratory Standards Institute.