US | dead animals More Animal Die-Offs: 200 Cows Dead in Wisconsin Farmer thinks a virus is probably involved By Polly Davis Doig Posted Jan 16, 2011 11:14 AM CST Copied A healthy steer eats hay Tuesday, Feb. 24, 2009, at the Buffalo Livestock Market where about 60,000 cattle are auctioned each year in Buffalo, Mo. (AP Photo/Kelley McCall) First it was birds, then fish, then more fish. Now, it's 200 cows lying dead in a Wisconsin field, reports the Rapid-Tribune. But this mass die-off might be a little less murky: The farmer reportedly told local officials he suspected the animals died of one of two viruses common to unvaccinated cattle. The animals are undergoing testing. Read These Next Michael Jackson's son reveals his 'next chapter.' At least 2 children are dead in a Minnesota school shooting. Orange shark, doo doo doo, doo doo doo doo doo. Travis Kelce's dad thinks Taylor was getting 'antsy.' Report an error