The transition from individual gestation crates to group housing for breeding sows represents one of the most significant welfare reforms underway in pig farming globally.
Gestation crate reform is one of the most consequential welfare reforms currently underway in animal agriculture because it affects tens of millions of breeding sows at the most fundamental level — their ability to move and express basic behavioral needs during most of their productive lives. A sow in a gestation crate cannot walk, turn around, or interact meaningfully with other pigs for 16 weeks of every 20-week cycle, repeated across 4-6 gestation cycles per year. The behavioral frustration this causes is documented through stereotypic behaviors that are largely absent in group-housed sows. The welfare case for gestation crate elimination is among the clearest in farm animal welfare science. The implementation challenge — managing aggression in group housing — is real but solvable through electronic feeding systems, adequate space, and careful mixing protocols that are standard in higher-welfare European systems.