Since it's start in 1977, Almarai has grown into the largest and most recognized dairy producer in the Middle East. But keeping cows in the desert of Saudi Arabia is no easy task. Inside this edition of Megafactories, the birthing, raising, feeding and milking of Almarai's 135,000 Holstein dairy cows is as organized as the mostly automated bottle molding and filling stations into which their milk is poured. Using new technology, a secret recipe for cow feed, and a stringent testing process, viewers follow milk from cow to bottle to store shelf.