Cattle and calves on feed for slaughter market in Oklahoma feedlots with capacity of 1,000 head or more totaled 250 thousand head on September 1, 2015, up 2 percent from a year ago. Producers placed 50 thousand head in commercial feedlots during August, unchanged from a year ago. Oklahoma commercial feeders marketed 49 thousand head during August, up 11 percent from 2014. Other disappearance during August totaled 1 thousand head, unchanged from a year ago.