Illegal cattle ranching and screwworm outbreaks: urgent threats to health, the environment, and the economy > The 5 Great Forests Initiative

After 356 past disease events, Live Cattle moved a median +0.2% over 5 sessions (54% higher; middle half -0.8% to +1.1%), and +1.1% over 20.

• Mar 6, 2019Boston Herald - Boston news, sports, politics, opinion, entertainment, weather and obituaries - Flesh-eating New World Screwworm could pose health risks to cattle, humans-0.9%
• May 9, 2024Nicaragua reports screwworm outbreak in cattle | The Cattle Site+0.6%
• Jun 25, 2026The screwworm parasite continues to spread in Texas, threatening cattle and wildlife : NPR-2.9%
• Aug 30, 2025Screwworm outbreak cripples cattle trade, costs jobs and raises beef prices-1.4%
• Oct 25, 2017Farmers urged to be vigilant following detection of bluetongue virus in cattle imported to Great Britain | Department of Agriculture, Environment and Rural Affairs+5.8%

After 266 past disease events, Feeder Cattle moved a median +0.5% over 5 sessions (59% higher; middle half -1.1% to +1.7%), and +1.7% over 20.

• Mar 6, 2019Boston Herald - Boston news, sports, politics, opinion, entertainment, weather and obituaries - Flesh-eating New World Screwworm could pose health risks to cattle, humans+0.3%
• Nov 20, 2020Cattle industry focus on animal health begins at the ranch+2.2%
• Jun 25, 2026The screwworm parasite continues to spread in Texas, threatening cattle and wildlife : NPR-2.4%
• Aug 30, 2025Screwworm outbreak cripples cattle trade, costs jobs and raises beef prices-1.0%
• Jul 18, 2024Collaborative Efforts to Combat the Cattle Screwworm in Latin America - LatinAmerican Post-0.6%