We have lots of dairy herds, dairy cows.

我们拥有许多乳牛群和奶牛。

youdao

Ketosis is a common metabolic disease in high-yielding dairy herds.

酮病是高产奶牛常见的代谢性疾病。

youdao

We have lots of dairy herds, dairy cows. But managing dairy and beef cows is a totally different thing.

我们有许多的奶牛种群和奶牛，但管理奶牛和菜牛是完全不同的事情。

youdao

Up to 18% of US cattle are thought to have the disease which mainly affects dairy herds.

BBC: Crohn's Disease

The state has 55 dairy herds in its control programme, but that leaves another 2, 070 to go and that does not include beef farms.

ECONOMIST: Another cow disease with a possible link to humans

Increasing feed costs, in combination with withering grasslands in the Great Plains and Corn Belt regions, are prompting ranchers to downsize beef and dairy herds.

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