Trump promised days earlier to address the issue as part of his efforts to keep inflation in check.
U.S. beef prices have been stubbornly high for a variety of reasons, including drought and reduced imports from Mexico due to a flesh-eating pest in cattle herds there.
Trump has been working to help Argentina bolster its collapsing currency with a $20 billion credit swap line and additional financing from sovereign funds and the private sector ahead of midterm elections for his close ally President Javier Milei.