Zeke milking the cows.  He also feeds the cow chocolate to get some chocolate milk.  In real life, farmers in the US feed their cows chocolate and other candy products, too.  It’s not get chocolate milk, though.  🙁  The candy makes milk production increase in dairy cows, helps to fatten beef cows, and gives a needed protein boosts.  Adding candy to feed became common in the early 2000’s due to rising corn prices and an increase is ethanol fuel use (because corn producers are selling their corn for ethanol more and not as feed).