Canada BSE Timeline
1990: Canada bans imports of cattle from the United Kingdom2.
1992: Canada starts BSE testing program.
1993: Canada finds first case of BSE in imported cow.
1994: Canada's import ban expanded to any countries with domestic BSE cases.
1997: Canada bans feeding ruminant MBM1 to cattle.
2000: Canada bans imports of all rendered animal protein from countries with BSE.
2003: First domestic BSE case is Canada and restricts imports of United States cattle related products like dairy, slaughter cows and boneless beef cuts from cattle under 30 months of age.
2004: United States lifts import restrictions on ground beef, bone in cuts of beef and offal from animals younger than 30 months of age from Canada. Live cows and meat those older than 30 months remain banned.
2005: Canadian officials confirm second case of BSE found in Alberta, causing a 26 month ban on live cattle to United States lifted.
2006: Canadian Food Inspection Agency (CFIA) confirms five cases of BSE in cows ranging from four to 15 years of age. CFIA announces new rules to ban cattle tissues that could transmit BSE from pet foods, livestock feeds and fertilizer.
2007: CFIA confirms three cases of BSE in a mature bull from Alberta, a mature dairy cow from British Columbia and a 13-year-old beef cow from Alberta.
2008: CFIA reports BSE in a six-year-old dairy cow from Alberta and in a seven-year-old cow from British Columbia.
2009: As of August, CFIA no longer notifies the public or media of each new case of BSE as it is diagnosed.
2010: Canada's 17th case of BSE is confirmed in a 72-month-old Angus cow from Alberta.
2011: Canada has reported 18 cases of BSE in the domestic herd since the first was found in 2003, with the most recent case in a six-year-old Alberta dairy cow confirmed in February.
1: Meat and bone meal (MBM) from BSE-infected cattle used as a protein supplement in cattle feed is believed to cause the spread of BSE.
2: MBM imports from United Kingdom were banned by Canada in 1978 for reasons other than BSE prevention.
3: The European Commission's Food and Veterinary Office (FVO).
4: General Accounting Office 2002 report, which identified potential steps for strengthening the United States feed ban firewall.