The hog market is a disaster and losses may persist before it gets better. There have been strong signs of underlying demand weakness for pork that has appeared to defy an explanation. The Supreme Court ruling to allow California's Prop 12 ban on pork sales from hog operations that do not comply with California production standards for sow herd treatment adds another ton of bricks to weigh on the market. California represents 15% of U.S. pork consumption so has an oversized impact on U.S.