Ferrets are intelligent, social mustelids kept as companion animals in many countries. Their welfare depends on understanding their specific behavioural needs, housing requirements, and susceptibility to several serious health conditions.
Ferrets suffer significantly when their social and environmental needs go unmet. Solitary housing causes boredom, stereotypic behaviour, and depression-like states. Cages that are too small prevent natural behaviours such as tunnelling, exploration, and play. Diet is a frequent welfare concern: high-carbohydrate foods promote insulinoma development, so grain-heavy cat foods or vegetable-based diets are inappropriate. The high prevalence of adrenal disease is linked in part to early desexing practices, prompting debate about sterilisation timing and methods. Dental disease, distemper (for which ferrets are highly susceptible), and intestinal foreign body obstruction — a risk given ferrets' tendency to ingest rubber and foam items — are common preventable welfare problems requiring owner education.