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CNN reports that New World screwworm is squeezing ranchers on both sides of the US-Mexico border. Beef prices have been elevated for over two years, and a lack of supply, more than screwworm alone, is pushing prices higher.
Tight cattle supply and ongoing screwworm pressure support higher live cattle prices, and the feeder supply squeeze affects feedlot demand for feed.
cnn.comMax Saltman2026年8月22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%。
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。
