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Table 2 The number of provincially-inspected abattoirs in Ontario that process market hogs (pigs), the median number and range of market hogs processed, and median number of weeks open for processing per year (2001–2007)

From: Exploring relationships between whole carcass condemnation abattoir data, non-disease factors and disease outbreaks in swine herds in Ontario (2001–2007)

Year Number of abattoirs per year Median number (range) pigs processed per year Interquartile range of number of pigs processed per year Median number (range) of weeks open per year Interquartile range of number of weeks open per year
2001 154 384 (2–56 902) 161 – 969 43 (1–52) 25 – 48
2002 150 387 (1–87 198) 144 – 922 43 (1–52) 27 – 48
2003 134 434 (1–100 866) 188 – 849 44 (1–52) 27 – 49
2004 128 359 (2–109 754) 117 – 765 43 (1–52) 21 – 49
2005 127 336 (3–116 309) 126 – 648 43 (2–52) 18 – 49
2006 119 304 (1–107 914) 137 – 692 40 (1–52) 23 – 50
2007 106 344 (4 – 104 914) 104 – 785 42 (1–52) 24 – 50