Why is rhubarb bad for rabbits?
A rabbit’s diet is a pyramid with hay at the base: roughly 80% grass hay, 10–15% leafy greens, and a small daily pellet portion (House Rabbit Society model). Anything outside that pyramid is a treat — and sugar is the enemy of the gut flora that keeps a rabbit alive.
Rhubarb leaves and stalks contain oxalic acid at levels that are dangerous for small herbivores. Even small amounts can cause severe digestive upset and kidney damage.
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Can rabbits eat rhubarb?
Never feed rhubarb — the House Rabbit Society lists it alongside chocolate on the do-not-feed list.
What happens if a rabbit eats too much rhubarb?
Rhubarb leaves and stalks contain oxalic acid at levels that are dangerous for small herbivores. Even small amounts can cause severe digestive upset and kidney damage.