USDA reports U.S. Cattle on Feed up 6 percent from year ago:  Cattle and calves on feed for the slaughter market in the United States for feedlots with capacity of 1,000 or more head totaled 11.1 million head on September 1, 2018. The inventory was 6 percent above September 1, 2017. This is the highest September 1 inventory since the series began in 1996.  Placements in feedlots during August totaled 2.07 million head, 7 percent above 2017. Net placements were 2.02 million head. Marketings of fed cattle during August totaled 1.98 million head, slightly above 2017.   Other disappearance totaled 55,000 head during August, 12 percent above 2017. ...