Natural notions save energy and time

Herd expansion on Jørgen Christiansen’s farm in Havndal, Denmark, presented an opportunity to replace the sow stalls with a system that respects consumer demands for welfare. Jørgen’s final choice for natural ventilation and sow groups with electronic sow feeding (ESF) stations has also answered his own demands for an economical production system. By Anabel Evans Jørgen Christiansen switched from sow stalls to group housing more than 18 months ago, at the same time as the