YOU SAID:

The cows have already been fed earlier today.

INTO JAPANESE

牛たちは今日早くから餌を与えられています。

BACK INTO ENGLISH

The cows are being fed early today.

INTO JAPANESE

今日は早くから牛に餌をあげています。

BACK INTO ENGLISH

I am feeding the cows early today.

INTO JAPANESE

今日は早めに牛に餌をやります。

BACK INTO ENGLISH

I will feed the cows early today.

INTO JAPANESE

今日は早めに牛に餌をやります。

BACK INTO ENGLISH

I will feed the cows early today.