Air quality across the state is being affected by wildfire smoke. Before heading outdoors, get information on current conditions and alerts at Michigan.gov/MiAir, and learn about the state’s response to inform and protect the public at Michigan.gov/EGLEWildfireSmoke.
2025 bTB testing goals and results
This table represents the bovine TB testing summary of deer harvested/collected in 2025. Totals reflected in this update, current as of 03/19/2026, 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 | 2418 |
| 7 surrounding counties * | 2100 | 1759 |
| Totals | 4900 | 4177 |
*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 | 716 | 4 |
| Alpena | 973 | 5 |
| Cheboygan | 109 | 0 |
| Crawford | 75 | 1 |
| Iosco | 183 | 0 |
| Montmorency | 440 | 3 |
| Ogemaw | 468 | 0 |
| Oscoda | 289 | 4 |
| Otsego | 164 | 0 |
| Presque Isle | 513 | 1 |
| Roscommon | 247 | 0 |
| Total | 4177 | 18 |
Statewide testing totals
| Deer tested in remainder of state | 1199 |
|---|---|
| Statewide total** | 5376 |
**Insufficient samples not included in totals.