Trading was quiet to start the week with no changes reported. 

Cattle slaughter finished last week at 646,000 head, down 0.8 percent from a year ago and down 0.6 percent relative to the year prior. Slaughter is forecast to move higher over the next six weeks. This week, slaughter is projected out at 650,000 head, up 2.7 percent from last week. Over the next six weeks, slaughter is forecast at an average of 664,200 head, up an average of 3 percent from the prior six weeks and 4.5 percent…