New World screwworm cases spread across southern New Mexico and Arizona

After 148 past bullish disease events, Live Cattle moved a median +0.4% over 5 sessions (62% higher; middle half -0.5% to +1.2%), and +1.4% over 20.

• Jul 10, 2025Secretary Rollins Takes Decisive Action and Shuts Down U.S. Southern Border Ports to Livestock Trade due to further Northward Spread of New World Screwworm in Mexico | USDA+2.6%
• Nov 25, 2024US suspends Mexican cattle imports after New World screwworm case | Reuters+1.6%
• Sep 22, 2025Mexico Confirms Case of New World Screwworm in Nuevo Leon | Animal and Plant Health Inspection Service-0.8%
• Feb 24, 2026Border closure over New World Screwworm threat ripples across U.S. beef industry-3.3%
• May 1, 2026More Screwworm Cases in Mexico Threaten Cattle Trade With US+0.1%

After 122 past bullish disease events, Feeder Cattle moved a median +0.4% over 5 sessions (60% higher; middle half -1.0% to +1.6%), and +2.0% over 20.

• Jul 10, 2025Secretary Rollins Takes Decisive Action and Shuts Down U.S. Southern Border Ports to Livestock Trade due to further Northward Spread of New World Screwworm in Mexico | USDA+1.6%
• Nov 25, 2024US suspends Mexican cattle imports after New World screwworm case | Reuters+1.0%
• Sep 22, 2025Mexico Confirms Case of New World Screwworm in Nuevo Leon | Animal and Plant Health Inspection Service-0.6%
• Feb 24, 2026Border closure over New World Screwworm threat ripples across U.S. beef industry-1.9%
• May 1, 2026More Screwworm Cases in Mexico Threaten Cattle Trade With US-2.0%