Cattle on Feed  Industry pre-report estimates for tomorrow’s Cattle on Feed report from USDA peg the total number of cattle on feed as of 1 June at 103.4 percent of last year. If realized, it would be the 17th consecutive month that the inventory was larger than the year prior. May placements and marketings are expected to be 95.6 percent and 105.1 percent, respectively, of May 2017 totals. Those marketings supported May beef production at 2.31 billion pounds or 107 percent of May 2017. Cattle slaughter totaled 2.91 million head, 106 percent of a year ago and the largest volume since 2011. The average live weight at 1,315 pounds was up 8 pounds from last year. Aggressive marketings and strong demand helped buoy packer margins...