Guinea Pig Care in Ireland: Housing, Vitamin C, Company & Health

Guinea pigs are gentle, vocal herd animals with demanding dietary and social needs. They should normally live with at least one compatible guinea pig and have enough floor space to run, hide and forage throughout the day.

Quick care overview

  • Commitment: commonly five to seven years, sometimes longer.
  • Company: guinea pigs should not normally live alone.
  • Diet: high-fibre food and a reliable daily source of vitamin C are essential.
  • Temperature: they cope poorly with extreme heat, cold and sudden changes.

Creating the right home

Provide a large solid-floored enclosure connected to a generous exercise area. Include more hides than guinea pigs, with at least two exits where possible so one animal cannot trap another. Grid floors can injure feet and should not be used.

The RSPCA advises an indoor temperature around 17–20°C. In Ireland, protect outdoor accommodation from driving rain, damp, wind and direct sun, and move guinea pigs indoors before conditions become cold. Keep them away from radiators, draughts and hot conservatories.

  • Use dust-extracted, absorbent bedding and a deep layer of hay in resting areas.
  • Spot-clean wet areas daily and deep-clean as needed without removing every familiar scent.
  • Provide tunnels, cardboard boxes and untreated chew materials.
  • Keep guinea pigs separate from rabbits and supervise interactions with dogs or cats.

Food and water

Unlimited good-quality hay or fresh grass should make up most of the diet. Add a measured portion of fresh grass-based guinea-pig pellets and suitable leafy greens or vegetables daily. Guinea pigs cannot make their own vitamin C, so food freshness and reliable vitamin-C-rich choices matter.

Pellet vitamin C degrades after opening; store food correctly and replace it before its best-before date. Do not add supplements to drinking water unless a vet specifically advises it, as taste changes may reduce drinking and dosing is unreliable.

  • Provide fresh water continuously and check bottles are flowing.
  • Introduce vegetables gradually and remove uneaten fresh food before it spoils.
  • Use peppers and suitable leafy greens as useful vitamin C sources.
  • Avoid sudden food changes, muesli mixes and sugary treats.

Exercise, behaviour and enrichment

Scatter pellets through hay, rotate tunnels, provide safe chew items and let guinea pigs choose whether to interact. Approach from the front and low down, then support the chest and hindquarters securely when lifting.

Pairs still need duplicate resources. Watch for guarding around food, hides or water, and seek experienced help if there is persistent bullying or injury.

Zoofy practical tip

Keep a weekly weight chart in grams. A trend is more useful than memory and can reveal illness before a guinea pig appears obviously unwell.

Health checks and when to call a vet

Weigh each guinea pig weekly because weight loss may be the first sign of illness. Check teeth-related eating difficulties, eyes, nose, breathing, coat, skin, feet, nails and the rear end.

Not eating, laboured breathing, collapse, diarrhoea, difficulty passing urine, severe bloating or rapid weight loss requires urgent veterinary attention. Guinea pigs can deteriorate quickly and should not be fasted.

Starter checklist

  • Suitable species-appropriate housing set up before arrival
  • Correct food and fresh water equipment
  • Safe bedding, hides and enrichment
  • Cleaning and monitoring supplies
  • Carrier and contact details for an appropriate veterinary practice
  • Budget for routine and emergency veterinary care

Further reading

RSPCA guinea pig advice and RSPCA: feeding guinea pigs.

Important: This guide is general educational information, not a diagnosis or substitute for veterinary advice. Individual needs vary with age, breed, species, health and previous care. Contact an appropriate vet promptly if an animal appears unwell.

Back to blog