Table 2.
Prevalence of E. coli that are resistant to one or more antibiotics collected according to the surveillance program of the Canadian Integrated Program for Antimicrobial Resistance Surveillance (CIPARS) for pigs and pork meat a.
| Year | Farm | Abattoir | Retail | |||
|---|---|---|---|---|---|---|
| % | NBb | % | NB | % | NB | |
| 2002 | 97 | 38/39 | ||||
| 2003 | 98 | 153/155 | 50 | 151/301 | ||
| 2004 | 99 | 142/143 | 54 | 321/593 | ||
| 2005 | 99 | 163/164 | 40 | 316/797 | ||
| 2006 | 99 | 459/462 | 98 | 115/117 | 38 | 288/763 |
| 2007 | 100 | 612/612 | 98 | 93/95 | 36 | 310/871 |
| 2008 | 99 | 481/486 | 100 | 150/150 | 32 | 317/979 |
| 2009 | 99 | 695/701 | 98 | 160/263 | 29 | 323/1097 |
| 2010 | 84 | 1402/1673 | 83 | 165/199 | 47 | 118/250 |
| 2011 | 83 | 1389/1667 | 85 | 161/190 | 54 | 231/431 |
| 2012 | 86 | 1333/1553 | 89 | 164/184 | 50 | 97/193 |
| 2013 | 83 | 1313/1573 | 84 | 143/171 | 41 | 91/221 |
| 2014 | 81 | 1351/1672 | 88 | 141/161 | 54 | 176/323 |
| 2015 | 77 | 385/500 | 79 | 152/192 | 57 | 102/179 |
| 2016 | 79 | 428/544 | 84 | 152/182 | 44 | 62/140 |
| 2017 | 77 | 374/484 | 80 | 132/164 | 44 | 51/115 |
a Samples at the farm were from feces, at the abattoir from caecum material, and at the retail outlet, from chops. b NB = number of positive over the total number of samples collected.