Detection Principle
- The CDV Ag Rapid Test works through a specific immune recognition system combined with chromatographic migration.
- The test membrane is coated with antibodies that selectively bind to CDV antigens. After adding the processed sample:
- CDV antigens interact with labeled antibodies in the reagent zone.
- The resulting complexes move across the membrane.
- A colored signal appears in the detection area if CDV antigen is present.
- A separate internal line serves as a procedural indicator, confirming correct test operation.
- Results are interpreted based on the appearance of the signal lines.
Operating Instructions
Always follow the instructions provided with the specific product. The general workflow is:
Allow all test components to equilibrate to room temperature.
Collect the appropriate specimen using the provided swab.
Place the swab into the sample buffer and mix thoroughly.
Dispense several drops of the extracted sample into the test well.
Wait 5–10 minutes before interpreting the result.
Result Evaluation
| Visual Output | Clinical Meaning |
|---|---|
| Two distinct lines | CDV antigen detected – infection suspected. |
| Single control line | CDV antigen not detected. |
| No control line | Invalid test – repeat with a new device. |
FAQ
What symptoms indicate the need for CDV testing?
Dogs showing fever, nasal discharge, coughing, vomiting, diarrhea, or neurological signs should be tested for CDV.
What samples provide the best accuracy?
Conjunctival and nasal swabs are commonly used during early infection, while blood may be suitable in later stages.
Can vaccinated dogs test positive?
Recently vaccinated dogs may occasionally show weak positive results due to live attenuated vaccines. Clinical correlation is required.
Is a negative result conclusive?
No. CDV antigen levels may vary depending on infection stage. Retesting or confirmatory laboratory methods such as RT-PCR are recommended if symptoms persist.
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