Group Sow Housing making the transition Welcome to sowhousing.com! This website is part of the National Sow Housing Conversion Project (NSHCP) and home to the ‘one stop shop’ for producers seeking information about group sow housing. TrainingGilts or Sows Grouping StrategiesStatic or Dynamic EconomicsConversion related costs Producer ProfilesLearn from producer's that have made the transition Barn Conversions Examples High Speed ServicesVery fast performance. Secure paymentsAll payments are 3D secured. Managing your Herd Managing GROUPS throughout your system The type of system you choose will have an impact on the flow and management of your sows.