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Table 1 Summary of isolates grown from fresh retail chicken and pork

From: Superbugs in the supermarket? Assessing the rate of contamination with third-generation cephalosporin-resistant gram-negative bacteria in fresh Australian pork and chicken

Isolate

 

Chicken

Pork

 

Overall total

n = 164

Total

n = 86

3GCR alone

3GCR + one class

3GCR + two classes

Total

n = 78

3GCR alone

3GCR + one class

3GCR + two classes

AF

Mero

AF + Mero

AF + FQ

Mero+AMG

AF

Mero

AMG

AF + Mero

AF + FQ

Mero + AMG

Acinetobacter baumannii complex

59

34

–

34

–

–

  

25

–

25

–

–

–

  

Acinetobacter ursingii

2

–

      

2

–

2

–

–

–

  

Aeromonas sobria

1f

–

      

1

–

–

1

–

–

  

Bordetella trematum

1

–

      

1

–

–

–

–

–

1

–

Chryseobacterium gleum

1

–

      

1

–

–

–

–

–

–

1

Citrobacter braakii

7

–

      

7b

7b

–

–

–

–

  

Citrobacter freundii

6e

–

      

6

6

–

–

–

–

  

Citrobacter youngae

1e

1

1

–

–

–

  

–

       

Enterobacter cloacae complex

9g

1

1

–

–

–

  

8

8

–

–

–

–

  

Escherichia coli

1a

1a

1a

–

–

–

  

–

       

Hafnia alvei

15c

6

6

–

–

–

  

9

9

–

–

–

–

  

Pseudomonas aeruginosa

22

11

–

7

–

4

–

–

11

–

10

–

–

1

–

–

Pseudomonas alcaligenes

1

1

–

–

1

–

  

–

       

Pseudomonas oleovorans

3

1

1

–

–

–

  

2

–

2

–

–

–

  

Pseudomonas putida

11

10

1

1

8

–

  

1

–

1

–

–

–

  

Pseudomonas spp.

3

3

–

–

1

2

–

–

–

       

Serratia fonticola

19d

16

15

1

–

–

  

3

3

–

–

–

–

  

Stenotrophomonas maltophilia

1

–

      

1

–

–

–

1

–

  

Yokenella regensburgei

1

1

–

–

1

–

  

–

–

–

–

–

–

  
  1. 3GCR Third-generation cephalosporin resistance, AF Anti-folates, FQ Fluoroquinolones, Mero Meropenem, AMG Aminoglycosides
  2. aE. coli was an ST 349 isolate and contained a plasmid-mediated CMY-2 AmpC ESBL
  3. bIncludes 4× C. braakii/freundii and 1× C. braakii/werkmanii isolates
  4. c10 H. alvei isolates contained ACC AmpC ESBLs - 4 were from chicken and 6 from pork
  5. dTwo S. fonticola isolates contained ACC AmpC ESBLs – 1 was from chicken and 1 from pork
  6. eAll isolates contained CMY-like AmpC ESBL
  7. fIsolate contained a FOX AmpC ESBL
  8. gTwo isolates contained an EBC AmpC ESBL – both from pork