A detection of the New World Screwworm closer to the United States will keep the ports closed to livestock from Mexico.

The US stopped livestock imports from northern Mexico due to the screwworm fly threat. USDA Secretary Rollins announced border tightening and a $30M sterile fly program.

Should the flies reach the states, the larvae could infest livestock, pets, wildlife and, possibly, even people.

Trump’s letter threatened new tariffs on Mexico due to a lack of progress in challenging the country’s drug cartels.

Experts say Camp Mystic’s requests to amend the FEMA map could have been an attempt to avoid the requirement to carry flood ...

The United States has temporarily closed its southern border to livestock imports due to the northward spread of the New World screwworm fly in Mexico, a flesh-eating parasite posing a significant ...

The same seems to be true of the grain markets vis-à-vis the Russian war in Ukraine.  However, Trump is upping the rhetoric ...

New World screwworm fly prompts US to pause border reopenings The United States has again halted livestock imports from Mexico following the detection of a new case of the New World screwworm (NWS) ...

Tight cattle supply, rising import costs, and new livestock restrictions threaten to keep beef prices soaring into 2026.