Trading was quiet to start the week. 

Cattle slaughter finished last week at 633,000 head, down 2 percent from a year ago and down 0.7 percent relative to the week prior. This week, slaughter is projected out at 640,000 head, down 2 percent from last week. Slaughter is forecast to move higher over the next six weeks, forecast at an average of 643,000 head, up an…