Antibiotic and Sulfonamide Disc Sensitivity Tests
نویسنده
چکیده
Avian strains of Escherichia coli (213) were subjected to in vitro antibiotic sensitivity tests with twenty-four different chemotherapeutic agents. Chlorhexidine, polymyxin B, colistin, and nitrofurazone exhibited the greatest inhibitory activities against these strains. Various potencies of antibiotics were compared. The activity of sulfachloropyridazine on various types of media failed to show complete clear zones of inhibition. Serogroup 078 was shown to exhibit an antibiotic sensitivity pattern which was significantly different from other 0 groups.
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