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On December 30, 2022, the Surface Transportation Board directed Union Pacific to deliver corn by rail to Foster Farms in California. Insufficient deliveries had left feed stocks critically low, and the company had cut feed to dairy cattle.
UP blamed extreme winter weather for the delays, with some trains expected by January 5.
Rail delays forced a feed-short buyer to rely on costlier BNSF and truck transloads, which increases regional corn demand and delivered cost. The episode shows how weather-driven rail disruption can tighten local feed supply.
doi.org2023年1月5日在过去 285 次看涨的物流事件之后，玉米 在 5 个交易日内中位数变动 +0.1%（52% 上涨；中间一半区间为 -1.5% 至 +1.5%），20 个交易日内为 +0.8%。
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。
