LS250 U.S. Slaughter Sow Report. Major Production areas of the Midwest and Eastern United States. Actual plant delivered prices to processors, including freight and commission. Month Head Wgt Price Head Wgt Price Head Wgt Price Head Wgt Price 300-450lbs 450-500lbs 500-550lbs 550 and up 01/01/13 62,599 395 $45.48 24,249 480 $51.37 39,746 523 $53.29 11,031 569 $54.36 02/01/13 45,126 394 $46.00 22,261 480 $51.37 35,652 523 $52.81 8,010 570 $54.07 03/01/13 48,846 390 $59.69 27,528 477 $64.93 38,135 522 $66.65 10,411 571 $67.74 04/01/13 18,681 390 $59.04 17,824 478 $64.70 21,906 522 $65.93 5,567 568 $67.53