Muslims, first of all, can eat cow. Only pork and alcohol is forbidden.
Yes.
chickens
They may eat bread as and when they like.
Yes, they do.
Yes, they do.
No particular effects.
Yes, the Muslims eat fruit with great relish.
They used to eat dates and drank water very frequently
No.
There's no such thing as an "organic cow." A cow is a cow, regardless. She will eat what "normal" cows eat, which is defined in the related question posted below.
No, a cow will not eat meat, although there will be some curious cow that would probably try it, cows do not and will not eat meat.
No, never. Cow paddies are cow feces.