Raw Milk Antibiotic Residue Test Kit – β-Lactam Screening, 5-Minute Results, Test Kit for Dairy Quality Control 12Tests/Kit

Raw Milk Antibiotic Residue Test Kit – β-Lactam Screening, 5-Minute Results, Test Kit for Dairy Quality Control 12Tests/Kit

  • Fast 5–10 Minute Results: Visual interpretation for rapid decision-making in dairy operations.
  • High Sensitivity: Detects critical β-lactam antibiotics at or below industry safety thresholds.
  • Multi-Analyte Coverage: Targets penicillin, cephalosporins , and other β-lactams.
  • Food Safety Use Only: Intended exclusively for raw milk screening—not for medical or human diagnostic purposes.
  • High Concordance (98.6%) with ELISA: Trusted accuracy for professional testing environments.
  • Complete Kit (12 Tests): Includes 12 test strips, 12 droppers, and 1 detailed instruction manual—no additional equipment required.
  • Stable & Durable: Shelf life of 18 months; store at 2–30°C without refrigeration.
Category:

Description

[Procedure]

Note: Testing must be conducted at ≥20°C. For frozen raw milk with visible particles, heat or centrifuge the sample and test the middle layer to avoid incomplete flow.

  1. Tear open the β-lactam antibiotic test strip package, remove the test card, and place it flat on a table. Remove the gold-labeled micro-well from its foil pouch.
  2. Use a pipette to transfer 120 μL of raw milk (or 4–5 drops with a dropper) into the gold-labeled micro-well. After 2 minutes, mix the solution thoroughly with the dropper.Wait another 2 minutes, then transfer all the mixture to the sample well on the test card using the dropper.
  3. Lay the card flat and read results after 10 minutes. Results are invalid after 30 minutes.

[Result Interpretation]

  • Negative (–): Two purple bands. T line ≥ C line . This indicating β-lactam antibiotic levels below the detection lineor no residue.
  • Positive (+): T line < C line or absent. This Indicating β-lactam antibiotic levels above the detection line. A fainter T line corresponds to higher residue concentration.
  • Invalid: No C line. This indicates improper operation or an expired test card.Re-read the manual and retest with a new card. If issues persist, discontinue use and contact the supplier.

[Product performance]

  • [Detection Limits]

The table below lists the detection limits (ppb) for some β-lactam antibiotics:

Antibiotic cut-off Antibiotic cut-off
Penicillin G 4 ppb Amoxicillin 6 ppb
Ampicillin 6 ppb Ceftiofur and metabolites 60 ppb
Cephapirin 15 ppb  

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