Table 3

Percentage of antimicrobial resistant strains for the two main Typhimurium STs.

Antimicrobial resistance


AMPa

CHL

SSS

STR

TET

GM

KM

NAL

SXT

CIPb

CRO


ST19

61

51

75

80

75

7

10

10

22

0

0

ST213(cmy-2)c

68 (97)

90 (94)

98 (97)

97 (97)

97 (100)

59 (55)

37 (33)

72 (61)

82 (92)

0

53 (100)


a AMP:ampicillin, CHL: chloramphenicol, SSS: sulfisoxazole, STR: streptomycin, TET: tetracycline, GM: gentamicin, KM: kanamycin, NAL: nalidixic acid, SXT: timethoprim-sulfametoxazole, CIP: ciprofloxacin, CRO: ceftriaxone.

b All the strain were sensitive to CIP according with CLSI [78], including twelve strains with low-level resistance [see Additional file 2].

c The number in parenthesis is the percentage corresponding to ST213 strains positive for cmy-2.

Wiesner et al. BMC Microbiology 2009 9:131   doi:10.1186/1471-2180-9-131

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