SIOUX FALLS, S.D., May 21 (UPI) -- Friday's Sioux Falls livestock report: Cattle: not available. Hogs: 600. Barrows and gilts steady to 1.00 lower. Percent Lean Weight Price 48-51 220-270 lbs 36.00-36.50 46-48 270-280 lbs 35.00-36.00 280-290 lbs 34.00-35.00 290-300 lbs 33.00-34.00 Sows 300-450 lbs steady, 450-500 lbs 1.00-2.00 lower, 500-650 lbs steady. US 1-3 300-450 lbs 33.50, few 34.00 450-500 lbs 35.00 500-650 lbs 38.00-40.00, few 41.00 Boars: Scarce, few head 300-700 lbs 16.00.  