title: Canada's subnational surveillance roots.
authors.affiliation: Science Division, Canadian Food Inspection Agency, Nepean, Ontario.
authors.forename: C
authors.initials: C
authors.lastname: Inch
authors.forename: W
authors.initials: W
authors.lastname: Lees
mesh_terms: D000818:Animals; D002170:Canada; D002417:Cattle; D006041:Goats; D006736:Horses; D007886:Legislation, Veterinary; D011200:Poultry; D011786:Quality Control; D012582:Schools, Veterinary; D012756:Sheep; D013552:Swine; D014730:Veterinary Medicine / Q000592:standards* / Q000639:trends