The return of the gestation crates?

Over the last couple of years I have seen many farms in Europe that have switched to group housing for sows. The change, however, is not everywhere going absolutely fluently. As is well known, from 2013, all pig breeders in the European Union should have phased out gestation crates, due to welfare legislation. Basically, and as described in a 2007 article in Pig Progress, there are two major ways of applying group sow housing, that is using Electronic Sow Feeding and loose access stalls. Syste