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2026 bTB testing goals and results
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Complex map showing 2026 bovine tuberculosis testing areas in Michigan. For assistance, please call 517-284-9453.
This table represents the bovine TB testing summary of deer harvested/collected in 2025. Totals reflected in this update, current as of 07/24/2026, only include those with final test results. Deer with pending results are not included in these totals.
Combined total for counties in the TB area
Zone Goal Total tested 4-county area 2800 444 7 surrounding counties * 2100 338 Charlevoix 300 122 Totals 5200 904 *This sample size represents a sampling rate of 500 deer in Presque isle County and 300 deer per remaining county in this zone.
Total by county in the TB area
County name Total tested Number positive Alcona 53 0 Alpena 331 0 Cheboygan 3 0 Crawford 20 0 Iosco 5 0 Montmorency 59 0 Ogemaw 20 0 Oscoda 1 0 Otsego 0 0 Presque Isle 290 0 Roscommon 0 0 Total 782 0 Statewide testing totals
Deer tested in remainder of state 230 Statewide total** 1134 **Insufficient samples not included in totals.