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Timothy Hay

High-fibre, low-protein grass hay that is the foundation of small herbivore diets.

Small plain portion of Timothy Hay in a dish

AI-generated editorial illustration of the subject; not a photograph of a specific animal, product or case.

Who can eat it

RabbitsGuinea pigsChinchillasDegusTortoises (as part of a varied diet)

Not suitable for

DogsCatsFerretsParrots as a staple

Benefits

  • Wears continuously growing teeth evenly
  • Maintains gut motility and prevents stasis
  • Provides hours of natural foraging behaviour

Risks

  • Dusty or mouldy hay causes respiratory disease
  • Alfalfa is too high in calcium and protein for most adults

Preparation and serving

Preparation
Offer fresh, dry, sweet-smelling hay in unlimited quantity, refreshed daily.
Serving guidance
Should make up roughly 85% of a rabbit or guinea pig's daily intake — a pile the size of the animal's body every day.

Before offering timothy hay

  1. Check the product suits the exact animal and life stage (listed for: Rabbits; Guinea pigs; Chinchillas; Degus; Tortoises (as part of a varied diet)). Look for a label stating it is complete for that species, or follow the diet plan your vet has given.
  2. Follow the preparation advice: Offer fresh, dry, sweet-smelling hay in unlimited quantity, refreshed daily. Do not substitute a seasoned or processed version and assume the same safety.
  3. Portion guidance: Should make up roughly 85% of a rabbit or guinea pig's daily intake — a pile the size of the animal's body every day. Change foods gradually over about a week, and agree any change with the vet if your pet is on a prescribed diet.
  4. If your pet eats less, passes fewer or smaller droppings, develops diarrhoea or seems uncomfortable, stop the new food and contact a vet; a rabbit or guinea pig that stops eating needs same-day advice.

Educational reference, not an individual diagnosis or a verified professional review. Read our editorial policy.

Guidance libraries and further reading

These organisations publish relevant guidance. Their links are further reading, not evidence that they have reviewed this page.

  • WSAVA — global veterinary guidelines on nutrition, vaccination, pain and dental care
  • PDSA — veterinary charity pet health advice
  • AVMA — American Veterinary Medical Association owner resources

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