Canada tightens livestock import rules as New World Screwworm spreads in the U.S.

After 69 past neutral disease events, Lean Hogs moved a median -0.2% over 5 sessions (48% higher; middle half -1.4% to +1.5%), and -1.6% over 20.

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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.

• Dec 21, 2023USDA protects livestock producers against New World screwworm outbreaks | The National Provisioner-0.7%
• 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%
• Jan 3, 2026U.S. livestock: Cattle futures surge as second screwworm case announced | The Western Producer+1.3%
• Feb 24, 2026Border closure over New World Screwworm threat ripples across U.S. beef industry-1.9%

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.

• Dec 21, 2023USDA protects livestock producers against New World screwworm outbreaks | The National Provisioner+0.7%
• 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%
• Jan 3, 2026U.S. livestock: Cattle futures surge as second screwworm case announced | The Western Producer+0.0%
• Feb 24, 2026Border closure over New World Screwworm threat ripples across U.S. beef industry-3.3%