He feeds oats to his cattle.

他给牛喂燕麦。

《新英汉大辞典》

If you have either, you're paying to keep the soybean aphid away from the crop that feeds cattle and pigs.

如果你有二者之一，你要为防止大豆蚜虫侵害饲养牛和猪的作物而买单。

youdao

And when corn prices take off, so does the price of meat, since that's what feeds most of the world's cattle.

而当玉米价格上涨，则必然引起牛肉价上涨，因为玉米是世界绝大多数地区牛的饲料。

youdao

Corn is what feeds the chickens, the pigs, the cattle - that gives us much of our meat.

NPR: Biofuels and Food Prices