CAST papers are the foundation of CAST’s science communication work. Developed by expert-led task forces, these peer-reviewed publications translate agricultural science into trusted insights that inform policy, guide public understanding, and fuel CAST programs, dialogues, and educational initiatives.

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Scientific Assessment of the Welfare of Dry Sows Kept in Individual Accommodations

Task Force Chairs
Animal Sciences, University of Illinois, Urbana–Champaign
Authors
Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames
Virginia Tech Tidewater Agricultural Research and Extension Center, Suffolk
Pig Production Development Unit, Moorepark Research Centre, Ireland
Animal and Food Sciences, Texas Tech University, Lubbock
Danish Farm Design A/S, Denmark
Abstract
The use of individual gestation accommodations (IGAs) for dry sows in commercial pork production is an issue that has raised much debate. Public perceptions and misconceptions of welfare issues have the potential to dramatically impact swine production. The nine-member international task force of this new issue paper critically evaluates the scientific evidence of IGAs for sows, including considerations for behavior, nutrition and feeding, reproduction, clinical examination and health, manure management, worker safety, and system design. The authors indicate that no compelling evidence exists from scientific evaluations and comparisons of dry-sow keeping systems that, overall, either individual or group accommodation is more appropriate than the other.
Downloads & Resources
Reviewers
PIC-North America, Hendersonville, Tennessee
University of Nebraska Northeast Research and Extension Center, Norfolk
University of Illinois, Urbana–Champaign
CAST Liaisons
University of Maryland, College Park