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HerdChek CWD Ag Test

Transmissible Spongiform Encephalopathies (TSEs)

The HerdChek CWD Ag Test is an antigen-capture enzyme immunoassay (EIA) for the detection of the abnormal conformer of the prion protein (PrPSc) in postmortem white-tailed and mule deer retropharyngeal lymph node tissue. Additional species elk claim is in the late stages of development.

* Availability / Distribution: Worldwide 


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Test details


  • Retropharyngeal lymph node tissue samples
  • Very simple sample preparation and EIA protocol—no proteinase K digestion, less equipment required, all room-temperature, less hands-on time, results in less than 3.5 hours

Part numbers and sizes

99-09663 (5 plates/strips)

About Transmissible Spongiform Encephalopathies (TSEs)

Bovine spongiform encephalopathy (BSE), chronic wasting disease (CWD) and scrapie belong to the family of transmissible spongiform encephalopathies (TSEs). Clinically affected animals exhibit ataxia and excessive salivation, along with other behavioral disturbances. These animals show a progressive loss of physical condition that precedes death. The modes of transmission and the causative agents of TSEs are poorly understood. The disease is characterized by accumulation of prion protein in the medulla oblongata (obex) region of the brain, as well as other tissues (lymph nodes, spleen, tonsils, etc.).

*  Time to complete EIA portion of the test

*  Not all products are available and/or registered in every country.