In the last month corn feed prices have risen from $5.20 to $5.60, according to the USDA. According to the Cost Control for Food Distribution and Processing Group, since ethanol production took off, corn prices have TRIPLED. Cattle prices have responded with a paralleling raise in price. These two graphs paint a picture of the linked increases.
Obviously an increase in corn prices here made a large impact on the Unites States economy and its consumers. In order to combat inflated food prices we must first tame inflated corn prices. Check out this Reuters article which explains the global impact of food price inflation --->http://www.reuters.com/article/2008/05/07/us-food-idUSMAN14118020080507