The grain just rotted and all they could use it for was animal feed.

这些谷物都腐烂了，他们只能将它用作动物饲料。

《柯林斯英汉双解大词典》

The environmental equation of tracking animal production from feed to table goes like this: to produce a kilogram of beef, farmers have to feed a cow 15kg of grain and 30kg of forage.

跟踪动物产品的养殖到餐桌的环境方程序是这样的：生产1公斤牛肉，农民必须给牛喂15公斤谷物和30公斤草料。

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That's because as grain markets took off, the cost of corn - and soybean-based animal feed skyrocketed.

由于谷物市场萎缩，作为饲料的玉米和大豆的价格会暴涨。

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Closer to home the German wheat harvest is going to comprise a far higher proportion of grain for animal feed.

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Cargill, which is privately owned, has been doing business since 1986 in Venezuela, where its operations include oilseed processing, grain and oilseeds trading, animal feed, salt, and financial and risk management.

CNN: Chavez orders nationalization of Cargill

According to South Korean officials, it still leaves the country with roughly 2.8m tonnes of grain less than it has to have next year to meet the needs of its people and for animal feed and seeds.

ECONOMIST: North Korea