The Alberta government employs the Rat Patrol which travels around the province exterminating any and all rat infestations that are reported. Most of their work is done within a couple hundred km of the Saskatchewan border, but they will respond to reports anywhere in the province.
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/agdex3441
Great program at that,nobody wants rat in their wheat.
in their wheat.
