Oh, ok, thanks for clarifying. But, having done so, the food the rabbits drop is usually covered with rabbit droppings.
Here is a read you may enjoy.
https://www.popsci.com/eat-pigeons-squab#page-3
You may want to pose some questions in the sister sites.
https://www.backyardherds.com/
https://www.sufficientself.com/
Keep in mind that space is always going to be your limiter. The more closely confined animals are, the more labor intensive they will be to keep the land/pens/coops clean.
I...