Average U.S. retail prices for 100% ground beef rose to $6.899 per pound in May, according to Bureau of Labor Statistics data, up from $6.701 in April and $5.801 a year earlier. The price level marked a record for May based on the cited BLS series.

Separately, the U.S. Department of Agriculture said its National Veterinary Services Laboratories confirmed a new New World screwworm case in a calf in La Salle County, Texas, bringing the reported total in the state to six.

In futures trading, cattle contracts closed lower on Monday, according to the cited market report. The developments come as market participants monitor retail beef prices and animal health developments in Texas.