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Diagnostic
Tests or procedures used by your vet to determine what is wrong with your horse, in order to reach a diagnosis.

Cost: Under $100

These cost ranges are approximate and may vary from region to region.
Additional charges may also apply.

YOUR VET MAY PERFORM

EHV Serology

Cost: Under $100

These cost ranges are approximate and may vary from region to region.
Additional charges may also apply.

Summary

Blood testing can detect antibody to equine herpes virus. This can be helpful in confirmation of a diagnosis, but may only indicate that the animal has been exposed to disease.

Why A Vet Chooses This Diagnostic

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Related Observations

Your vet might choose this diagnostic test if you were making these observations.

Very Common
Less Common
Rare
more observations
BENEFITS
Provides confirmation of antibody levels to equine herpes virus, indicating exposure of the immune system to the virus.

LIMITATIONS

Interpretation of titers (antibody levels) can be confusing. Antibodies from infection can be impossible to differentiate from those that were stimulated by vaccination.

It may be difficult to tell a vaccinated horse from one that has had natural exposure to the virus.

your role

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Questions To Ask Your Vet:
  • Can we be sure that the antibody level is not related to vaccination?
  • Is this a significantly high titer to assume that EHV is the cause of disease?

Author: Doug Thal DVM Dipl. ABVP