Is bracken fern toxic to rabbits?

Q: Is bracken fern toxic to rabbits?

Yes, Bracken fern is toxic to rabbits. Bracken contains thiaminase (which destroys vitamin B1) and carcinogenic compounds. Regular exposure leads to vitamin deficiency, neurological signs, and increased cancer risk. Source: Sacramento House Rabbit Society.

A sourced answer from House Rabbit Society and RWAF guidance. If your bunny has chewed this plant, call your exotic vet right away.

Bracken fern

Best avoided

Bracken contains thiaminase (which destroys vitamin B1) and carcinogenic compounds. Regular exposure leads to vitamin deficiency, neurological signs, and increased cancer risk.

How much: Never feed.

If your bunny has already eaten this, call your exotic vet now.

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Source: Sacramento House Rabbit Society

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