Avian Flu Wiped Out Poultry. Now the Screwworm Is Coming for Beef.

過去の強気な疾病イベント148件の後、生牛 は5営業日で中央値 +0.4% 動き（62% が上昇。中央50%は -0.5% から +1.2%）、20営業日では +1.4% 動きました。

• 2026/09/10Screwworm Is Down to One Active Case. USDA Still Forecasts Beef Up 9.8%.+1.5%
• 2025/08/18All-out effort to fight New World screwworm needed+0.8%
• 2026/10/26Cattle from Mexico are tested for screwworm at the border | AP News-0.7%
• 2026/03/27Screwworm Fears are Reshaping the U.S. Cattle Feeding Industry+2.5%
• 2026/02/24Border closure over New World Screwworm threat ripples across U.S. beef industry-3.3%

過去の強気な疾病イベント122件の後、フィーダー牛 は5営業日で中央値 +0.4% 動き（60% が上昇。中央50%は -1.0% から +1.6%）、20営業日では +2.0% 動きました。

• 2026/09/10Screwworm Is Down to One Active Case. USDA Still Forecasts Beef Up 9.8%.+2.7%
• 2025/08/18All-out effort to fight New World screwworm needed+4.1%
• 2026/10/26Cattle from Mexico are tested for screwworm at the border | AP News-3.5%
• 2026/03/27Screwworm Fears are Reshaping the U.S. Cattle Feeding Industry+2.6%
• 2026/02/24Border closure over New World Screwworm threat ripples across U.S. beef industry-1.9%