Hog slaughter finished last week at 2.738 million head, up 3.7 percent from the week prior. The forecast for this week is for 2.65 million head before falling to 2.6 million head next week. Slaughter is projected to averaged 2.592 million head over the next six weeks, down 1.7 percent from last year and up 4.2 percent from the prior six week average. A massive winter storm is expected to dump heavy snow across much of Iowa and parts of Illinois today, which could further disrupt the hog numbers this week, as…