Housing dairy calves individually in hutches prevents disease spread but denies social contact, causing welfare harms from isolation that pair housing can address.
Dairy calves are highly social animals that suffer measurably from isolation. Research consistently shows that individually housed calves have elevated stress hormones, perform more abnormal behaviors, and are cognitively less developed than pair-housed calves. The traditional justification for individual housing — disease prevention — is valid but not absolute: pair housing with proper hygiene management achieves comparable disease control while eliminating isolation stress. The welfare cost of individual housing is real and unnecessary given available alternatives. Moving the industry toward social housing is achievable and represents a meaningful welfare improvement for millions of calves annually.