We are renting a modified open front building that we are having problems with the pigs messing the pens where they should lay. The building is setup with the walkway along the north wall, all cement interior walls about 36" tall and the south wall is about 48" tall. It has a Y gutter along the south wall and curtains on both north and south sides. Has anyone used a building like this and if so what is the trick to get the pigs to lay where they are supposed to. Getting tired of scrapping pens everyday.