Dossier
Screwworm Parasite
Coverage of Screwworm Parasite in the Nexus archive.
- Ground beef is up 20% since last year. A parasite, a drought and a July 1 trade deadline could push it higher
Ground beef prices have risen 20% since January 2025 due to a screwworm parasite outbreak, drought-reduced cattle herds, and potential trade disruptions. The U.S. and Mexico are negotiating the future of the North American trade deal, with President Donald Trump threatening to withdraw, risking further supply shortages and price hikes.
- Political blame game follows as screwworm parasite threatens cattle in Texas
The screwworm parasite has returned to the U.S., prompting politicians to engage in a blame game. The threat to cattle in Texas highlights political tensions over responsibility.
- Deadly Screwworm Parasite Found in US Threatens Cattle Herd
A deadly screwworm parasite has been found in the US, posing a threat to cattle herds. The discovery raises concerns about potential impacts on livestock health.