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Each disc is used to test a single bacterial strain for the presence of Β-lactamase
For presumptive identification of group A beta-hemolytic streptococci based on susceptibility to a low level of bacitracin
Detect, differentiate and identify microorganisms
For detection of lactose fermenters
For use in the presumptive identification of gram-negative anaerobic bacilli
High-quality absorbent paper discs impregnated with accurately determined amounts of antibiotic or other chemotherapeutic agents
Cost-effective method uses antimicrobial agents impregnated on high-quality paper
Used for semi-quantitative in vitro testing by agar disc diffusion test procedure of certain fastidious bacterial pathogens