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The FDA granted conditional approval to Merck Animal Health's EXZOLT CATTLE-CA1 pour-on for preventing and treating New World screwworm. The product can also treat cattle fever tick.
A licensed treatment gives US ranchers a new tool against screwworm, which could reduce the risk of an outbreak that would hit cattle supply and prices.
cnbc.comLori Ann LaRocco2025年12月9日在过去 69 次中性的疫病事件之后，活牛 在 5 个交易日内中位数变动 -0.1%（42% 上涨；中间一半区间为 -0.8% 至 +0.6%），20 个交易日内为 +0.9%。
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。
