Sweet potatoes kill 200 cows

Wisconsin - Authorities investigating the deaths of 200 cows in Wisconsin have come up with an unlikely culprit: the sweet potato. The cows were found dead in a Stockton pasture. Locals were left scratching their heads about what caused the mass die-off. Investigators from the University of Wisconsin have determined that the animals were killed by a poison found in spoiled sweet potatoes that were part of the cattle’s feed. There’s been a spate of mass animal deaths in recent weeks, from fish in Maryland and Arkansas to birds in Louisiana and South Dakota, buts scientists have come up with more mundane solutions for some of the mysteries.  More…