The state's refineries already churn out more than five times as much of the stuff as its small stock of dairy cattle can eat.

该州的精炼厂已经生产出的饲料数量是其小型奶牛可食用量的五倍以上。

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Blooded cattle were brought in to improve the stock.

纯种的牛被引进用以改进牛的血统。

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And, according to researchers at Iowa state University, the state's refineries already churn out more than five times as much of the stuff as its small stock of dairy cattle can eat.

并且，根据艾奥瓦州立大学的研究人员的说法，该州精炼厂生产的这类东西，是其存量不大的奶牛能够吃掉的五倍。

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In 1991 Koch bought feed yards in Kansas and Texas, then proceeded to stock them with thousands of cattle.

FORBES: Creative destruction 101

To diffuse this risk Partridge assembles a broad mix that includes foreign and domestic stock indexes, credit-default swaps and futures on commodities like crude oil, cattle, hogs and corn.

FORBES: Magazine Article