They're being fed milk replacer that's made in part from cow's blood.

牠们被喂食从母牛的血液提炼制造出来奶代品。

The calves are separated from their mothers at birth. They're being fed milk replacer that's made in part from cow's blood.

小牛出生之后就被迫与牠们的母亲分开。牠们被喂食从母牛的血液提炼制造出来奶代品。

However, feeding milk replacer for a short period after weaning can greatly increase piglet growth and gastrointestinal health.

然而，断奶后短期内使用代乳料，可以巨大地提高断奶仔猪的生长性能和肠胃健康。

The research of feed with milk replacer on early-weaning lamb: 24 newborn lambs were divided into 4 groups with 6 in each group.

试验一、早期断奶羔羊哺喂代乳粉的研究：本试验选用初生小尾寒羊和夏洛来羊的杂交羔羊24只进行试验，试验分为4个组每组6只羔羊。

Wikipedia is a good textbook-replacer because it gives the same broad, over-arching view of a topic that any textbook can give you.

Wikipedia是课本的最佳替代者，因为它提供所有你可以从课本上得到的就某一话题最广阔的观点。