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The CDC reports the status of the H5N1 bird flu outbreak in US dairy cows, first reported in March 2024. It notes more than 200 mammal detections in the US since 2022 and sporadic human cases linked to exposure to infected cows.
Dairy herd infections can reduce milk output and cow numbers, which bears on milk supply. The sporadic nature of recent cases limits the likely price effect.
cdc.govCDC2025年7月23日在过去 22 次中性的疫病事件之后，牛奶(III类) 在 5 个交易日内中位数变动 -0.1%（41% 上涨；中间一半区间为 -1.4% 至 +0.5%），20 个交易日内为 +0.2%。
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。
