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2023 bTB testing goals and results

Map of Michigan showing bovine TB zone in Northern Lower Peninsula. For assistance, please call 517-284-9453

This table represents the bovine TB testing summary of deer harvested/collected in 2023. Totals reflected in this update, current as of 02/02/2024, 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 1200 2680
7 surrounding counties * 2300 1632
Z - Totals 3500 4312

*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 630 7
Alpena 1177 13
Cheboygan 86 0
Crawford 119 1
Iosco 197 0
Montmorency 449 1
Ogemaw 354 0
Oscoda 424 0
Otsego 202 1
Presque Isle 444 1
Roscommon 230 0
Z - Total 4312 24

One additional positive deer from Benzie County, brings the 2023 total of positive results to 25.

Statewide testing totals

Deer tested in remainder of state 3007
Statewide total 7319