YOU SAID:

I want to ask my coworker if she wants to have a cow with me

INTO JAPANESE

同僚に牛を飼いたいのか聞いてみたい

BACK INTO ENGLISH

I want to ask a colleague if he wants to keep a cow

INTO JAPANESE

同僚に牛を飼いたいかどうか聞いてみたい

BACK INTO ENGLISH

I want to ask a colleague if he wants to keep a cow