This kind of mug contains25% — 45% bone powder of grass-feed animals such as sheep and bull.

这种陶瓷杯中含有25% - 45%食动物的骨粉，比如说牛，羊。

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We feed cows with grass.

我们给奶牛喂草吃。

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By replacing expensive grain feed with regenerative management practices, grass-fed farmers are insulated from jumps in the price of feed.

通过用可再生的管理方式取代昂贵的谷物喂养，那些用草料喂养动物的农民可以免受饲料价格上涨的影响。

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The US is the world's largest producer of alfalfa, a grass-like plant used as animal feed.

BBC: Monsanto GM seed ban is overturned by US Supreme Court

Patient crossbreeding created a variety, called braquiarinha in Brazil, which produced 20-25 tonnes of grass feed per hectare, many times what the native cerrado grass produces and three times the yield in Africa.

ECONOMIST: Brazilian agriculture