Sometimes bigger isn't better. Concerned about the quality of the milk in supermarkets? Just raise your own cattle herd.
Cuban Rancher Raul Hernandez has bred a herd of miniature cows that are a little over 3 feet tall. Despite their small size, they are able to provide about a gallon of milk per day if fed a diet of grass and weeds.
This is taking the Stonyfield farms "have a cow" concept to new extremes!