Pig Welfare and Environmental Complexity

Environmental complexity in pig housing provides cognitive stimulation and opportunities for natural behaviour that improve welfare significantly.

Key Facts

Pigs in barren environments show high rates of redirected behaviour and stereotypy
Environmental complexity including objects, rooting substrate, and varied surfaces reduces boredom
Novel objects maintain stimulation better than permanent features that pigs habituate to
Complexity that changes over time - new objects, varied substrate - provides most enrichment
Complexity reduces aggressive behaviour by reducing competition and providing outlets for motivation

Welfare Considerations

Environmental complexity addresses the cognitive needs of an intelligent, curious species denied the stimulation of natural environments. Pigs in complex environments explore more, show fewer stereotypies, and have better immune function than those in barren conditions. The challenge for commercial systems is providing meaningful complexity efficiently - rotating novel objects and providing adequate substrate quantity achieves significant welfare improvement within commercial constraints.

What You Can Do

Support pig welfare standards specifying environmental complexity requirements
Advocate for environmental complexity to be assessed in farm welfare audits
Choose pork from farms demonstrating evidence of environmental enrichment provision