USDA protects livestock producers against New World screwworm outbreaks

在过去 148 次看涨的疫病事件之后，活牛 在 5 个交易日内中位数变动 +0.4%（62% 上涨；中间一半区间为 -0.5% 至 +1.2%），20 个交易日内为 +1.4%。

• 2026年4月27日New World Screwworm cases surge, yet reopening speculation persists | The National Provisioner+0.6%
• 2025年8月15日USDA Announces Sweeping Plans to Protect the United States from New World Screwworm | USDA+1.1%
• 2026年1月3日U.S. livestock: Cattle futures surge as second screwworm case announced | The Western Producer+0.0%
• 2023年2月27日The National Directorate of Animal Health, in response to the unusual increase in cases of New World Screwworm in the Province of Darién, announces – COPEG+0.9%
• 2025年7月10日Secretary 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%

在过去 122 次看涨的疫病事件之后，架子牛 在 5 个交易日内中位数变动 +0.4%（60% 上涨；中间一半区间为 -1.0% 至 +1.6%），20 个交易日内为 +2.0%。

• 2026年4月27日New World Screwworm cases surge, yet reopening speculation persists | The National Provisioner+1.0%
• 2025年8月15日USDA Announces Sweeping Plans to Protect the United States from New World Screwworm | USDA+4.7%
• 2026年1月3日U.S. livestock: Cattle futures surge as second screwworm case announced | The Western Producer+1.3%
• 2025年7月10日Secretary 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%
• 2025年4月26日US could restrict Mexican livestock imports over screwworm worry, official says | Reuters+1.5%