Sow Gestation Welfare: The Case Against Individual Confinement

Individual gestation crates confine pregnant sows for up to 16 weeks in a space too small to turn around. This practice has been banned in the EU and several US states as incompatible with basic welfare requirements.

Key Facts

Traditional gestation stalls are approximately 0.6m x 2.2m — too small for a sow to turn around throughout her 16-week pregnancy
The EU banned gestation stalls in 2013 after the first four weeks of pregnancy, requiring group housing thereafter
Sows in individual confinement show high rates of stereotypic behaviours including bar-biting, head-weaving, and rooting against concrete
Nine US states have banned gestation crates; over 60% of US pork production has committed to phase-out timelines
Sows in group housing show more positive behaviours including social interaction, exploration, and comfortable resting
Group housing requires management skills to prevent aggression at mixing and feeding — poorly managed group systems can have worse welfare than well-managed stalls
Nesting motivation in sows near farrowing is extremely strong — provision of nesting material is a critical welfare need

Welfare Considerations

Gestation crate welfare is one of the most extensively studied issues in farm animal science. The evidence is unambiguous that individual confinement for extended periods causes significant welfare harm through physical restriction, social isolation, and inability to express strongly motivated behaviours including rooting and nesting. The stereotypic behaviours observed in confined sows — repetitive bar-biting, rooting, and weaving — are direct indicators of psychological frustration. Group housing systems are not without welfare challenges, but these are management issues that good practice can resolve, rather than inherent features of the system. The welfare case for group housing, combined with adequate space and enrichment, is now accepted by all major scientific and regulatory bodies.

What You Can Do

Choose pork from producers that have fully eliminated gestation crates from their supply chain
Ask food companies and retailers about their gestation crate phase-out timelines and verification methods
Support legislation banning gestation crate use in jurisdictions where individual confinement remains legal
Donate to animal welfare organisations campaigning for gestation crate elimination in the USA and globally
Reduce pork consumption or shift to higher welfare certified products from verified gestation crate-free farms