I let my Doobie cat sometimes eat the middle out of a piece of white bread, he loves it too! No ill health effects so far, of course, it's an occasional treat, not an everyday thing. It could be he's missing some nutrient found in bread, most commercially prepared breads are made using enriched flour, which means they add several vitamins and minerals to it. Could be something in there. Of course, there's also just plain weird cravings too, Doobie also LOVES marshmallows... but there's NOTHING in them he could possible be missing in his diet, LOL (unless sugar and cornstarch have something in them I'm not aware of)! I do give him the occasional mini marshmallow too.
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