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Table 2 Minimum inhibitory concentrations (MIC) for six antimicrobial agents for the Actinobacillus pleuropneumoniae strains (N = 44) isolated from lung samples collected from 60 finishing pigs in 16 out of 20 case herds

From: Etiology of acute respiratory disease in fattening pigs in Finland

 

No. of isolates with MIC (μg/ml)

Anti-microbial

≤0.015

0.03

0.06

0.12

0.25

0.5

1

2

4

8

16

32

%Res

PEN

   

8

16

17

 

1

2

   

7

AMP

     

41

  

3

   

7

TET

     

27

16

   

1

 

39

ENR

  

38

3

3

       

0

SXTa

    

38

2

2

2

    

9

FFN

      

44

     

0

  1. MICs equal to or lower than the lowest concentration tested are given as the lowest concentration
  2. Abbreviations: PEN penicillin, AMP ampicillin, TET tetracycline, ENR enrofloxacin, SXT trimethoprim/sulfamethoxazole, FFN florfenicol, %Res Percentage of intermediately resistant or resistant APP isolates out of all isolates
  3. aconcentration of trimethoprim given, in concentration ratio 1/19
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Porcine Health Management

ISSN: 2055-5660

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