This page provides background information and practical knowledge on the welfare issues related to group-housing and mixing of sows, and how welfare problems can be limited in practice.


Important welfare needs of sows that live in groups are described. Four important key areas challenging sow welfare are highlighted:

  • Mixing of unfamiliar animals
  • Competition for resources
  • Restrictive feeding
  • Climatic and resting comfort

Guidance and recommendations for actions to improve the sows’ welfare on farms is given within each key area.