Long-Term Demand Destruction in Feed Sector While corn and soybean futures prices jumped 41 percent and 33 percent, respectively, since the start of June, futures prices for hogs and feeder cattle have dropped by 19 percent and 8 percent because of increased slaughter. But behind the bow wave of slaughter are smaller herds and flocks that reduce feed demand over the longer run.We're already seeing short-term demand destruction. Ethanol production is down about 10 percent and recent monthly exports are now down about 22 percent compared to year ago. Both those categories of use, however, can bounce back with supply. Feed use reductions will be longer lasting. We will have a bow wave from lower numbers of broiler chicks placed on feed t...