U.S. inventory of all hogs and pigs on March 1, 2010 was 64.0 million head. This was down 3 percent from March 1, 2009 and down 2 percent from December 1, 2009.

Breeding inventory, at 5.76 million head, was down 4 percent from last year and down 2 percent from the previous quarter. Market hog inventory, at 58.2 million head, was down 3 percent from last year and down 2 percent from last quarter.

The December 2009-February 2010 pig crop, at 27.9 million head, was down 2 percent from 2009 and down 2 percent from 2008. Sows farrowing during this
period totaled 2.90 million head, down 4 percent from 2009 and down 6 percent from 2008. The sows farrowed during this quarter represented 50 percent of  the breeding herd. The average pigs saved per litter was a record high 9.61 for the December 2009-February 2010 period, compared to 9.48 last year. Pigs  saved per litter by size of operation ranged from 7.40 for operations with 1- 99 hogs and pigs to 9.70 for operations with more than 5,000 hogs and pigs.

U.S. hog producers intend to have 2.90 million sows farrow during the March- May 2010 quarter, down 4 percent from the actual farrowings during the same  period in 2009 and down 5 percent from 2008. Intended farrowings for June- August 2010, at 2.89 million sows, are down 2 percent from 2009 and down  6 percent from 2008.

The total number of hogs under contract owned by operations with over 5,000 head, but raised by contractees, accounted for 44 percent of the total U.S.  hog inventory, down from 45 percent last year.