State Designates Testing Areas For Bovine TB 3-24-2011 - WNEM TV 5

State Designates Testing Areas For Bovine TB 3-24-2011

The state agriculture department says officials will set up what's being called a "potential high risk area" in a 10-mile radius around where a Cheboygan County deer was found to have bovine tuberculosis.
As a result, any cattle, bison and cervid farms within that radius must complete testing for bovine TB in the next six months.
The 10-mile circle falls within Cheboygan and Presque Isle counties. The state also announced Thursday that a second 10-mile circle includes six farms on the border between Iosco and Ogemaw counties.
Those farms have to be tested because of a bovine TB-positive white-tailed deer that was discovered in Alcona County during the 2010 season.
State veterinarian Steven Halstead calls the mandatory testing "a routine practice" and "not cause for concern."
“In 2010, we had three 10-mile radius surveillance circles. Surveillance testing is complete and we are pleased to announce the orders for a Potential High Risk Area designation in Cheboygan County and the two Special Surveillance Areas established in Emmet County have been lifted,” said Halstead.
Since the bovine TB eradication effort began, the state’s one million cattle have been tested for the disease. MDARD has submitted a request to move 57 counties in the Lower Peninsula to TB-Free Status and to shrink the Modified Accredited Zone to areas with the highest risk of bovine TB in cattle.
To date, the Michigan Department of Natural Resources (DNR) has tested more than 188,000 free-ranging white-tailed deer, with 687 testing positive for bovine TB. Strategies adopted by the DNR to reduce bovine TB in free-ranging white-tailed deer have reduced the prevalence rate of the disease from the high in 1995 of 4.9 percent to 1.8 percent in Deer Management Unit 452 for 2010.
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