As of January 1, 2011, there were 6,985 hog farms in Canada, down 5.6% from the same date in 2010. These farms reported 1.3 million sows and gilts, down 1.1% from the same date a year earlier and a 5.5% decline from the same date two years earlier. Sow inventories in 2010 have not been at this level since 1999.
Domestic hog slaughter totalled 21.3 million head in 2010, a 2.4% drop from 2009. The hog slaughter in the fourth quarter of 2010 was down 2.4% from the same quarter in 2009. Canada exported 5.7 million hogs in 2010, down 10.1% from 2009. This was a 38.8% decline from 2008, and a 42.9% drop from the peak in 2007.
http://www.statcan.gc.ca/daily-quotidien/110217/dq110217c-eng.htm