ROSA Lateral Flow

ROSA Lateral Flow Antibiotic Strips

Charm Rapid One Step Assay (ROSA) milk tests are the leading residue diagnostic tests used in the dairy industry worldwide. Charm strips use patented ROSA technology to deliver fast, accurate detection in a convenient lateral flow format. Our patented technology allows Charm to adjust the screening levels of our tests to meet country or industry specific needs.

Use our Antibiotic Search Tool to help you find the right strip for you!



Antibiotic Products Include:




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Toll Free: 800.343.2170


      • ROSA test results can be read using the Charm EZ system
      • ROSA technology targets drug sensitivities as close to regulatory levels as possible
      • Speed, ease of use, and minimal equipment requirements make ROSA tests incredibly versatile

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