Talk:Stupid Cows/@comment-18736543-20140305055456

Bovine spongiform encephalopathy - Mad Cow disease. Its most obvious symptoms are strange behavior - deteriorating neurological issues. Notably, unusual aggression like biting other cows, and symptoms like anorexia, lethargy and reduced milk production.

One of the major things that spread it is feeding cows food that has ground up meat from cows in it.

"He's heard the city folk saying that the cows would get more sick this way, but Jeremy knows the cows will be fine. Besides he eats it as well and he's one of the healthiest farmers at the flea market. Ground up food isn't that bad."

Thing is, this is a disease caused by a prion. Its transmissable to humans, also by eating contaminated cow meat. You've probably heard of it - Creutzfeldt–Jakob disease. It causes a number of degenerative issues in humans. Notably, psychosis.