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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 2026. Totals reflected in this update, current as of 08/14/2026, 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 485 7 surrounding counties * 2100 378 Charlevoix 300 125 Totals 5200 988 *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 58 0 Alpena 355 0 Cheboygan 3 0 Crawford 20 0 Iosco 10 0 Montmorency 71 0 Ogemaw 28 0 Oscoda 1 0 Otsego 0 0 Presque Isle 316 0 Roscommon 1 0 Total 863 0 Statewide testing totals
Deer tested in remainder of state 323 Statewide total** 1311 **Insufficient samples not included in totals.