Trump admin faces pressure to open the border — to Mexican cattle

By Grace Yarrow | 07/14/2026 01:03 PM EDT

Agriculture Secretary Brooke Rollins has defended keeping the border closed as a critical measure to prevent the New World screwworm from gaining a foothold in the U.S.

Donald Trump listens to Brooke Rollins speaks at podium.

President Donald Trump listens to Agriculture Secretary Brooke Rollins speak during an event with farmers on the South Lawn of the White House on March 27. Julia Demaree Nikhinson/AP

The Trump administration’s strategy for warding off a flesh-eating pest threatening the American beef industry is rapidly losing allies.

Closing the southern border to Mexican livestock imports last year became a pillar of Agriculture Secretary Brooke Rollins’ effort to slow the northward advance of the New World screwworm while the Trump administration weathered criticism over high beef prices.

The move won Rollins praise at the time, but now that the Agriculture Department has confirmed 35 cases in Texas and New Mexico, ranchers and beef producers are pushing her to open up.

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Rollins, a Texan, has cast herself as a defender of ranchers’ interests as the industry struggles with drought and economic factors that have shrunk the U.S. herd size to a 75-year low.

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