Alternative pig housing systems using deep litter and outdoor access represent genuine welfare improvements over conventional slatted concrete systems while remaining economically viable.
Deep litter and outdoor access housing represents the practical realization of better pig welfare at commercial scale. Rather than the abstract ideal of unlimited natural behavior, these systems provide the key behavioral substrates — manipulable material for rooting, varied surfaces for movement, and social stability — that most directly address pig welfare needs. Economic analyses consistently show that the premium from welfare-certified pork can support the higher costs of better systems. The transition requires investment in housing redesign and changed management practices, but is achievable and increasingly demonstrated across the European organic and welfare-certified sectors.