Guinea pigs are highly social rodents whose welfare needs are frequently misunderstood. Proper housing, companionship, and veterinary care are essential for their physical and psychological health.
Guinea pig welfare is routinely compromised by inadequate housing and social isolation. Marketing as a starter pet or children's pet has led to generations of guinea pigs kept in small hutches, alone, with poor diets. Solitary guinea pigs show clear signs of chronic stress: reduced activity, abnormal repetitive behaviours, and impaired immune function. Their need for vitamin C (which they cannot synthesise) means dietary neglect causes scurvy, a painful and entirely preventable condition. High-welfare guinea pig keeping involves same-sex pairs or neutered mixed pairs in large, enriched enclosures with unlimited hay, daily fresh vegetables, and regular veterinary check-ups with practitioners familiar with small mammal medicine.