"Calf Starter" or "Milk Substitute" is sometimes used to raise calves in place of cow milk. It is often made of "alternative" proteins such as cow blood. This PDF has a great picture:
http://www.calfnotes.com/pdffiles/CN049.pdf
Many scientists think mad cow disease is spread by cows being fed cows. It is no longer to legal to feed beef to cows, but blood is still legal...
Discussion (5)
Cows shouldn't be forced to be canibals.
gross
Stupid disease vector that should be banned
Well that's horrifying.
OMGWTFBBQ! Vampire cows? That's awesome.
*cough* I mean terrible. But awesome.