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New World screwworm has spread north through Mexico over the past year and a half, and the USDA has confirmed cases in more than 30 cattle, sheep and goats in Texas over the past month. Mexico has supplied ranchers with sample kits and cross-border control efforts are ongoing.
Sonora has not yet reported cases.
Ongoing screwworm detections in US livestock raise the risk of further movement restrictions and herd losses, which would keep cattle supplies tight and support prices.
vpm.orgNina Kravinsky2026年7月19日在过去 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%。
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%。
各商品基准价相对事件前最后收盘价的变动。历史数据汇总同类过往事件；仅描述已发生的情况，不代表未来走势。不构成投资建议。
