President Donald Trump’s plan to cut record beef prices by importing more meat from Argentina is running into heated opposition from U.S. ranchers who are enjoying some rare profitable years and skepticism from experts who say the president’s move probably wouldn’t lead to cheaper prices at grocery stores.

The Biden administration plans to issue a new rule to protect the rights of farmers who raise cows, chickens and hogs against the country’s largest meat processors as part of a plan to encourage more competition in agriculture.