As Screwworm Inches Closer, When Could the U.S. Reopen the Southern Border to Cattle Imports?

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。

• 2024/11/25US suspends Mexican cattle imports after New World screwworm case | Reuters+1.6%
• 2025/05/13Mexico to tighten cattle flows from south, rules out shutting border over screwworm-0.5%
• 2025/05/11US suspends Mexican cattle, horse and bison imports over screwworm pest | Reuters+0.3%
• 2026/02/24Border closure over New World Screwworm threat ripples across U.S. beef industry-3.3%
• 2024/05/09Nicaragua reports screwworm outbreak in cattle | The Cattle Site+0.6%

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。

• 2024/11/25US suspends Mexican cattle imports after New World screwworm case | Reuters+1.0%
• 2025/05/13Mexico to tighten cattle flows from south, rules out shutting border over screwworm-2.4%
• 2025/05/11US suspends Mexican cattle, horse and bison imports over screwworm pest | Reuters-0.4%
• 2026/02/24Border closure over New World Screwworm threat ripples across U.S. beef industry-1.9%
• 2026/03/27Screwworm Fears are Reshaping the U.S. Cattle Feeding Industry+2.6%