now we ve talked about corn and grain crops, but now the drought is threatening the nation s dairy supply. let s get right back to rob marciano. he s live in indiana. rob, let s talk about the livestock that supplies all of us with milk and cheese. is there enough food and water for them at this point? reporter: well, no. right now they have enough now but a lot of that is left over from last year which was a pretty good crop. what worries farm serious what s going to happen as we get towards fall and the winter. do they have enough to get these dairy cows through the winter. this herd, by the way, this farm south of indy, 500 dairy cows in this herd. a lot of mouths to feed. how much milk do they produce. check out the milking station. they can pump 20u9, 30 pounds of milk in about five minutes. they do that three times a day. they need lot of food and energy. this particular dairy farm has been around for well over 150 years. i spoke with the owner, a sixth again regulate