Michigan Dairy Cattle Confirmed with Bovine Tuberculosis Outbreak

Friday, February 20, 2026 at 5:01 PM

Agricultural officials in Michigan have confirmed an outbreak of bovine tuberculosis in a dairy cattle operation located in the northern part of the state. The infection was discovered after routine testing at a federal processing facility revealed positive results.

Agricultural officials in Michigan have confirmed that cattle at a dairy operation in the state’s northern region have tested positive for bovine tuberculosis.

According to the Michigan Department of Agriculture and Rural Development, the infected herd is located in Charlevoix County. The outbreak came to light when a cow from the operation tested positive for the disease during routine screening at a federally-inspected meat processing facility.

Following the initial positive test result, officials conducted further testing that revealed additional infected animals within the same herd. This marks the second reported case of bovine tuberculosis in Michigan livestock operations recently.

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