Stevermer, EmmettSingleton, WayneMueller, Al2019-08-062019-08-061978https://hdl.handle.net/11299/205318This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enpork industryreproductive performance and breeding herd management swine pigsOther