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Michigan PRV Update ? June 20, 2008

June 25, 2008 — 

According to the Michigan Department of Agriculture (MDA), as of June 20th four PRV positive transitional swine herds had been identified one of which has been depopulated. PRV positive swine have been found on farms in 3 counties: Saginaw, Gladwin and Cheboygan.

The MDA and USDA Veterinary Services (VS) continue to complete circle testing and trace animals from PRV associated facilities. 130 associated herds have tested negative and an additional 21 herds are awaiting testing.

At present, 34 facilities with transitional shooting swine are under quarantine for the purposes of routine testing. These game ranches may continue to shoot swine on their facilities, but must have a veterinarian collect and submit blood from the swine for testing. One shooting ranch completed testing and is off quarantine. Six game ranches with shooting swine have requested, and received blood test kits from MDA. They are making arrangements with veterinarians for sample collection. Three game ranch owners (included in last week's total) have contacted MDA and indicated they do not have shooting swine on their facilities.

Additionally, five swine suppliers were informed by ranch owners that they must supply test-negative swine. Three suppliers have contacted MDA and requested testing. All five breeding operations are under quarantine (quarantines will be released after the swine test negative); these suppliers have been informed that they are required to supply and sell only PRV test-negative swine from this point forward.

USDA Wildlife Services (WS) is responsible for the depopulation of PRV positive transitional swine facilities. To date, one facility in Gladwin County has been depopulated. Another facility in Gladwin County is 90 percent depopulated (approximately 13 swine are still alive), the owner is setting out feed in a corral and USDA WS will revisit the premises to euthanize and/or confirm the deaths of the remaining swine.

Source:
Michigan Department of Agriculture, PRV Update, June 20, 2008