New PCR Assay Reduces EHV-1 Testing Costs

The University of Kentucky has implemented a new real-time PCR assay for diagnosing EHV-1.
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Equine herpesvirus-1 (EHV-1) infections are common in horses throughout the world and cause significant economic losses to the equine industry through respiratory disease, abortion, neonatal death, and myeloencephalopathy (the neurologic form). 

Virus isolation from a nasal swab or blood is the "gold standard" for diagnosing EHV-1 shedding (or viremia) horses, but this method can take several weeks to complete.

Because a gel-based PCR assay does not provide quantitative data, does not use an internal control, and is laborious, the microbiology laboratory at the University of Kentucky Veterinary Diagnostic Laboratory has implemented and validated a new real-time PCR assay for diagnosing EHV-1. This new test is slightly faster, yields quantitative data that provides a cycle of threshold values, has equal or greater sensitivity and specificity than gel-based PCR, and has an internal control that shows the presence (or absence) of PCR inhibitors in a particular specimen. In addition, this new test has high throughput capability.

Price: The fee for the new real-time PCR test for EHV-1 is $35 per animal (reduced from $55)

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