Chicago Board of Trade corn futures closed lower on Friday after the market stormed to an 18-month high on strong U.S. export demand, traders said.

Chicago cattle eked out gains, Friday, as the USDA’s Cattle on Feed report showed a slight decline in inventory.

The price of eggs at U.S. grocery stores has climbed to a record high, nearly doubling from a year ago, as outbreaks of bird flu have led to shortages by wiping out millions of hens.