Hog slaughter finished last week at an estimated 1.533 million head, the lowest weekly total in our weekly record going back through 2010. Slaughter is forecast at 1.6 million head this week, up 4 percent from the week prior but down 31 percent relative to year ago levels. Slaughter over the next six weeks is forecast at an average of 1.971 million head, down 12 percent from the prior six week…