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Table 4 Occurrence of E. coli PFGE strains with qnrS

From: Effects of intramuscularly administered enrofloxacin on the susceptibility of commensal intestinal Escherichia coli in pigs (sus scrofa domestica)

PFGE strain

Also detected without qnrS

First detection

MIC ENRO [mg/L]

ECOR group

Source

Day

I-12

yes

EG (CG)a

35 (11)

0.03 (0.06)

A

I-21

no

EG

54

1

A

I-25

yes

CG (En)

42 (5)

8 (0.03)

A

I-28

no

EG

54

1

A

I-31

no

CG

54

1

B1

I-34

no

EG

21

1

B1

I-37

yes

EG (EG)

54 (54)

1 (0.03)

A

I-38

yes

CG (CG)

54 (18)

2 (n.t.)

A

I-41

yes

EG (CG)

54 (21)

1 (n.t.)

A

I-45

no

EG

54

1

A

I-51

yes

EG (CG)

54 (11)

1 (n.t.)

A

I-56

no

CG

54

1

A

  1. EG experimental group, CG control group, En environment, PFGE Pulsed-Field Gel Electrophoresis, n.t. not tested, ENRO Enrofloxacin
  2. aNumber in brackets apply to the same PFGE strain without qnrS