The feeder fed new feed to pigs so that they put on fat.

饲养员用新饲料喂猪使它们长胖。

youdao

In another incident, elevated dioxin levels were detected in animal feed in the Netherlands in 2006 and the source was identified as contaminated fat used in the production of the feed.

在另一起事件中，2006年荷兰动物饲料中被发现二恶英含量增加，后来确认源头是生产饲料过程使用了被污染的脂肪。

youdao

This is precisely why parents are advised to feed their young children whole milk and to restrict dieting – their brains' need fat to grow and work properly.

家长为什么只喂小孩奶而不吃其他东西就是因为他们的脑脂肪需要快速成长。

youdao

The source of contamination - an 80, 000-kg batch of fat that a Belgium company sold to feed mills supplying European farms - did not only contain dioxin.

CNN: THE GREAT DIOXIN SCARE

The fat content of raw milk varies with cow breed, feed, and stage of lactation among other factors.

FORBES: Why Milk Isn't As "Natural" As You Think