Someone up above mentioned keeping the roo in a dark place until the sun is well up- I don't think that will work. Our neighbors behind us have a roo that crows on and off during any hour of the day.
I think your best bet is to get them caponized if you can find someone to do it. Good luck to you!
I think your best bet is to get them caponized if you can find someone to do it. Good luck to you!