Charm Sciences, Inc.

Charm Tetracycline Test for Milk


The Charm Tetracycline Test uses Charm’s patented ROSA® (Rapid One Step Assay) technology, combining fast and accurate detection of tetracyclines in raw commingled milk. Simply add milk to the test strip, incubate for 8 minutes and read on the ROSA Reader. The ROSA Reader stores results electronically for data capture, record keeping, and reporting.


  • 8 minute test
  • Closest match to regulatory requirements
  • Rapid One Step Assay (ROSA)
  • Detects tetracycline, oxytetracycline, chlortetracycline and more
  • Used by dairy farmers, manufacturers, veterinarians and regulators

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