Cattle and calves on feed for the slaughter market in Idaho from feedlots with a capacity of 1,000 or more head on May 1, 2011 totaled 230,000 head, up 10 percent from the previous year, according to the National Agricultural Statistics Service.

The cattle on feed inventory is up 5 percent from April 1, 2011. Placements of cattle in feedlots with a capacity of 1,000 or more head during April totaled 34,000 head, up 7,000 head from April 2010 placements. Marketings of cattle from feedlots with 1,000 head or more during April totaled 23,000 head, up 2,000 head from a year ago. Other disappearance totaled 1,000 head during April.