All over the internet it says to feed your rabbit hay. I don’t feed my rabbits hay and I tell new owners not to feed hay. There are several reason why not to feed hay. over the years i have witnessed all these conditions mentions below.

Hay is messy

Hay, even boxed hay, carries mold, ear scale and ear mites

Hay is smelly when it gets wet in a litter-box

Hay causes yellow feet when used in a litter-box

Hay causes malnutrition and starvation

Hay mixed in with rabbit manure makes your cold rabbit manure hot