Tyson Foods has stopped buying Canadian cattle for shipment to its U.S. beef plants, citing the impact of U.S. country-of-origin labeling (COOL) rules, company spokesman Worth Sparkman said in a statement to Meatingplace.

The new policy became effective in mid-October, he said. Tyson is continuing to buy Canadian-born cattle that are finished for market at U.S. feedlots.

"Like many others in the North...