YOU SAID:

herding cows the size of schnauzers, but they're cattle

INTO JAPANESE

牛を群れ、シュナウザーの大きさだが、牛だ

BACK INTO ENGLISH

It's a herd of cows, it's the size of a schnauzer, but it's a cow.

INTO JAPANESE

それは牛の群れです、それはシュナウザーの大きさですが、それは牛です。

BACK INTO ENGLISH

It's a herd of cows, it's the size of a schnauzer, but it's a cow.