Originating in the 1940s when milk technologies were at their peak. One farmer injected caffeine directly into a cow. This random act of courage created mad cow disease. After that little side affect was all cleared up and shipped off to Bangladesh, the cow was free to thrive in the new substance. It gained the ability to produce a coffee based milk. It has since been known as one of cows greatest achievments. Right next to regular milk, and oatmeal.