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 A "horrific" incident killed 3 deputies in East Los Angeles. Trump says Rupert Murdoch will pay for ignoring his demand. Jimmy Kimmel isn't happy to see Stephen Colbert go. These 'unusual' antics just shut down a New York hiking trail. Report an error