Back to today’s briefing

Story perspectives

US Bans Live Cattle Imports Amid Screwworm Threat

5/14/2025

35 6

Summary

Story summary

The U.S. has halted imports of live cattle, horses, and bison from Mexico in response to the alarming return of the New World Screwworm, a parasitic fly that poses a serious risk to both livestock and human health. As the USDA races to contain this growing threat, the stakes for agriculture and public safety are higher than ever.

1 of 1

Story summary

The U.S. has halted imports of live cattle, horses, and bison from Mexico in response to the alarming return of the New World Screwworm, a parasitic fly that poses a serious risk to both livestock and human health. As the USDA races to contain this growing threat, the stakes for agriculture and public safety are higher than ever.