The Zone of Inhibition is a circular ideal getaway the antibiotic spot where bacteria colonies do not grow. The zone of inhibition can be used to assess the bacteria's susceptibility to the antibiotic.
For four bacterial strains, the inhibitory activity zones at 100 g/disc and minimum inhibitory intensity values are 11.0-20.0 mm and 125-250 g/mL, respectively.
The zone is evaluated by the diameter, with no regard for the disc. If you only have a provisional zone due to intersecting zones by neighboring disks, measure the radius from the disc's middle (center) to the zone's edge and multiply by two.
The Zone of Inhibition is a spherical ideal antibiotic getaway zone in which bacteria colonies are not allowed to not grow.
Thus, this way the zone of inhibition can be measured.
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