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Table 1 Escherichia coli isolates carrying bla CTX-M-1 obtained from broiler chickens characterized by multi locus sequence types (MLST), Pulsed field gel electrophoresis (PFGE) and resistance patterns determined using VetMIC GN-mo microdilution plates

From: Spread of extended-spectrum beta-lactamase producing Escherichia coli isolates in Swedish broilers mediated by an incI plasmid carrying blaCTX-M-1

MLST (clonal complex)

Resistance patternA

No. of isolates

ST57 (CC350)

SuTc

1

ST135 (N.D.B)

SuTc

1C

ST155 (CC150)

SuTc

3D

ST219 (N.D.)

SuTc

1E

ST602 (CC446)

SmSuTc

1C

ST752 (CC10)

SmSuTc

1

ST1594 (N.D.)

SuTc

1

ST1640 (CC350)

SmSuTc

1

  1. ADetermined in a previous study [7], Su = sulphamethoxazole, Tc = tetracycline, Sm = streptomycin BN.D. = not determined CAssigned to the same PFGE-cluster based on a cut-off value of ≥80% DIdentical pulsed field gel electrophoresis (PFGE) patterns E Non-typeable by PFGE using Xba I.
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Acta Veterinaria Scandinavica

ISSN: 1751-0147