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USDA notified the World Organisation for Animal Health that the virus found in dairy cows is H5N1 from clade 2.3.4.4b, descended from the B3.2 genotype first seen in wild birds in November 2023. Investigators are still determining whether H5N1 was the only cause of an unexplained illness in affected herds in Texas and other locations.
Confirmed spread through dairy herds raises biosecurity costs and adds uncertainty to milk output. Any herd losses would support milk prices.
cidrap.umn.eduLisa Schnirring2024年3月27日在过去 22 次看涨的疫病事件之后，牛奶(III类) 在 5 个交易日内中位数变动 -0.0%（45% 上涨；中间一半区间为 -0.9% 至 +0.5%），20 个交易日内为 -2.8%。
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。
