Border closure over New World Screwworm threat ripples across U.S. beef industry

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。

• 2025/05/27Screwworm cases prompt another border closure+0.5%
• 2026/01/06As Screwworm Inches Closer, When Could the U.S. Reopen the Southern Border to Cattle Imports? - Drovers+0.9%
• 2026/03/27Screwworm Fears are Reshaping the U.S. Cattle Feeding Industry+2.6%
• 2024/12/19U.S. Cattle Industry Faces Challenges Amid Screwworm Detection in Mexico - Beef Web+0.9%
• 2024/12/20Sen. Mike Rounds urges USDA to delay opening Mexican border due to New World screwworm threat - Agweek | #1 source for agriculture news, farming, markets+2.7%

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。

• 2026/01/06As Screwworm Inches Closer, When Could the U.S. Reopen the Southern Border to Cattle Imports? - Drovers-0.1%
• 2026/03/27Screwworm Fears are Reshaping the U.S. Cattle Feeding Industry+2.5%
• 2024/12/19U.S. Cattle Industry Faces Challenges Amid Screwworm Detection in Mexico - Beef Web+0.5%
• 2024/11/27Cattle Imports from Mexico Restricted after New World Screwworm Detection | Ohio BEEF Cattle Letter+1.4%
• 2026/10/26Cattle from Mexico are tested for screwworm at the border | AP News-0.7%