The European Union banned routine use of antibiotics in animal feed years ago because of evidence about its drug-resistance consequences for humans.

因为有证据表明细菌的抗药性可能传递到人类，欧盟约于数年前已经停止在动物饲养中抗诉素的常规使用。

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A major nonmedical use of antibiotics in the United States is their addition to animal feed.

在美国，抗生素最主要的非医学性用途就是作为动物饲料的添加剂。

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There are thousands of anti-fungicides and antibiotics in artificial pig feed. I can't let my pigs eat such stuff! The best food for healthy pigs is healthy soil.

饲料中有很多抗菌剂和抗生素成分，我不会让猪吃这些，对健康的猪来说最好的食物是干净的泥土。

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In nearly all the major relationship livestock-producing countries in the world, farmers add small amounts of antibiotics to the animals' feed.

VOA: standard.2010.07.21

Sunburst raises its trout without putting antibiotics or steroids in the feed.

FORBES: She Shall Overcome

The continued use of growth promoters - low-dose antibiotics placed in livestock feed - risks the development of antibiotic-resistant bacteria which could threaten human health.

BBC: Animals and antibiotics: the risks

In the 1950s antibiotics spread to animal feed as growth promoters and for disease prevention.

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