Tuesday's USDA hog slaughter was 423,000 head versus a year ago at 400,000 head. Lean Hog Futures traded very choppy and ended the session a little higher. August Lean Hogs at last check traded at 7635, up 0.35 and October Lean Hogs were trading at 65.85, up 0.25. December Lean Hogs at last check were trading at 63.50, up 0.12.