Wisconsin Veterinary Diagnostic Laboratory

University of Wisconsin–Madison
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Up to date

  • Temporary Unavailability of Johne’s Disease Liquid Culture Test

    We would like to inform you that the Johne’s Disease Liquid Culture: Mycobacterium avium subsp. paratuberculosis (MAP) test is temporarily unavailable at WVDL due to a backorder of the required culture media. Based on current …

    June 12, 2026

  • New World Screwworm: Information and Resources

    The Wisconsin Veterinary Diagnostic Laboratory (WVDL) is monitoring developments related to New World screwworm and associated guidance from state and federal animal health authorities: USDA APHIS – https://www.aphis.usda.gov (Search: “New World Screwworm” for current alerts, surveillance, and response …

    June 11, 2026

  • Q fever Complement Fixation (CF) test discontinuation effective 9/1/26

    The Wisconsin Veterinary Diagnostic Laboratory will be discontinuing Q fever (Coxiella burnetii) Complement Fixation (CF) testing effective September 1, 2026. This change follows updated export requirements from Argentina, which no longer require QF CF testing. …

    June 10, 2026
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