The United States imposed a ban on feeding beef byproducts to cattle and other cud-chewing animals in 1997, Meat byproducts constitute up to 5 percent of the poultry diet in the United States.

美国在1997年实施禁止给牛和其他反刍动物饲喂牛副产品的措施之后，禽肉的消费在整个肉产品的消费中增加了5%。

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The United States imposed a ban on feeding beef byproducts to cattle and other cud-chewing animals in 1997, Meat byproducts constitute up to 5 percent of the poultry diet in the United States.

美国在1997年实施禁止给牛和其他反刍动物饲喂牛副产品的措施之后，禽肉的消费在整个肉产品的消费中增加了5%。

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