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Table 3 Growth inhibition zones for two antimicrobial agents for 44 Actinobacillus pleuropneumoniae strains 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

Antimicrobial No. of isolates with GIZ (mm) %Res
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
TIA          9 10 15 4 1 2 2   1 0
TUL     1a 1 9 11 6 7 4 2 2   1     0
  1. Abbreviations: TIA tiamulin, TUL tulathromycin, GIZ growth inhibition zone, %Res Percentage of intermediately resistant or resistant APP isolates out of all isolates
  2. aThe isolate was tested also with the broth microdilution method and was found susceptible to tulathromycin (MIC value 32 μg/ml)