10/06/2026
Johne's disease
This news item from johnes.org discusses a reference from a major USA vet lab. https://johnes.org/news/ Their research "highlights that the ELISA is a screening test and cannot be used to definitively diagnose Johne’s disease. A PCR test on a f***l sample is required after a positive ELISA to confirm the diagnosis. " Unfortunately neither the NSW or Qld vet lab offers PCR tests for goats, just cattle.
Researchers at the College of Veterinary Medicine, Washington State University and Washington Animal Disease Diagnostic Laboratory (WAADL) just published an article in the American Journal of Veterinary Research describing their experience testing sheep and goats …