Guinea pigs need far more floor space than pet-shop cages offer, plus the right bedding and a safe, draught-free spot. This step-by-step guide covers minimum sizes, why they must be kept in pairs, safe versus harmful bedding, and setting up a healthy home.
Guinea pigs need a large, single-level enclosure, at least about 0.7 m2 for a pair and more is better, with safe absorbent bedding, unlimited hay, a water bottle, hides and a draught-free spot. They are herd animals, so plan for at least two from the start. Skip small pet-shop cages and multi-level hutches; ground-level floor space is what matters.
Guinea pigs need far more floor space than pet-shop cages offer, plus the right bedding and a safe, draught-free spot.
Guinea pigs need long, flat floor space at ground level, not height or ramps.
Guinea pigs are ground-dwelling grazers that run in bursts, called popcorning when happy, and need room to move all day. A common minimum for a pair is around 120 x 60 cm of continuous floor, and larger is genuinely better. Ramps and upper levels barely count, guinea pigs are not natural climbers and can injure themselves falling.
Because they are social herd animals, keeping a guinea pig alone causes real stress. In many places keeping a solo guinea pig is discouraged on welfare grounds. Plan for a compatible pair or more, and size the cage up accordingly, roughly adding half a square metre per extra pig as a guide.
Good options are dust-extracted paper-based bedding or washable fleece over an absorbent layer. Both keep the environment dry, which protects delicate feet and airways. Fleece is economical long-term and comfortable but must be changed and washed often to stay dry and odour-free.
Choose dust-extracted paper or washable fleece; avoid cedar and pine shavings.
Work through these in order:
Guinea pigs are very sensitive to heat and draughts. Keep the enclosure out of direct sun, away from air-conditioning and open windows, and ideally in a room held around 18-24C. In the humid summers of Hong Kong and Taiwan, heat stress is a genuine danger above roughly 26-28C, so ensure ventilation and consider a cooler room; damp conditions also raise the risk of skin and respiratory problems, so keep bedding dry. Ground-floor placement on a sturdy stand keeps them part of family life without startling them.
Can I keep just one guinea pig?
Strongly discouraged. They are herd animals and become lonely and stressed alone. Keep a compatible pair and size the cage for two.
Are wire-floor cages okay?
No. Wire floors cause sore, injured feet and bumblefoot. Always provide a solid floor with soft, dry bedding.
Can guinea pigs live with a rabbit?
Best not. Rabbits can injure guinea pigs, they have different diets, and rabbits carry bacteria harmful to guinea pigs. House them separately.
How often should I clean the cage?
Spot-clean daily, and do a full bedding change every few days to weekly depending on setup. Dry, clean housing prevents foot and skin disease.
This article is for general education and is not a substitute for professional veterinary advice. If your pet is unwell, please consult a veterinarian.
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