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United States inventory of all hogs and pigs on December 1, 2010 was 64.3 million head. This was down 1 percent from December 1, 2009 and down 2 percent from September 1, 2010. The breeding inventory, at 5.78 million head, was down 1 percent from last year but up slightly from the previous quarter. Market hog inventory, at 58.5 million head, was down 1 percent from last year and down 2 percent from last quarter. The pig crop, at 28.2 million head, was down slightly from 2009 and down 2 percent from 2008. Sows farrowed during this period totaled 2.85 million head, down 2 percent from 2009 and down 6 percent from 2008.
Canadian inventory of all hogs and pigs on January 1, 2011 was 11.9 million head. This was up 1 percent from January 1, 2010 and down 2 percent from January 1, 2009. The breeding inventory, at 1.31 million head, was down 1 percent from last year but up 1 percent from last quarter. Market hog inventory, at 10.6 million head, was up 1 percent from last year and up slightly from last quarter. The pig crop, at 7.1 million head, was down 1 percent from 2010 and down 8 percent from 2009. Sows farrowed during this period totaled 713,000 head, down 1 percent from 2010 and down 9 percent from 2009.
http://usda.mannlib.cornell.edu/usda/current/USCH/USCH-02-17-2011.pdf
