The size of the inhibition zones (IZ) surrounding the antibiotic-impregnated paper disks depends on the sensitivity of the bacteria present in the agar, to the antibiotic, and the antibiotic's ability to diffuse through the culture medium. In this case, the results were as follows:
- Tetracycline Disks (TE) produced an IZ of 18mm/22mm
- Lincomycin Disks (L) produced an IZ of 23mm/18mm
- Streptomycin Disks (S) produced an IZ of 23mm/20mm
- Erythromycin Disks (E) produced an IZ of 32mm/27mm.
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