Trading was quiet in the protein market this afternoon with no changes reported. Cattle slaughter finished last week at a strong 665,000 head and is projected to fall to 647,000 head this week. The Jacobsen is forecasting the next six weeks to average 645,300 head per week, up 2 percent from the prior six-week average. The next six weeks are forecast at 6.6 percent over last year’s COVID interrupted schedule and 4 percent higher than the prior three-year average for the same…