- Tetracycline Disks (TE) produced an IZ of 18mm/pH 8.0; 27mm/pH 6.5; 22mm/pH 7.2
- Lincomycin Disks (L) produced an IZ of 23mm/pH 8.0; 12mm/pH 6.5; 18mm/pH7.2
- Streptomycin Disks (S) produced an IZ of 23mm/pH 8.0; 16mm/pH 6.5; 20mm/pH 7.2
- Erythromycin Disks (E) produced an IZ of 32mm/pH 8.0; 23mm/pH 6.5; 27mm/pH 7.2.
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