Final test results have confirmed bovine spongiform encephalopathy in a mature cross-bred beef cow from
The Canadian Food Inspection Agency is conducting a comprehensive investigation. Officials have confirmed the animal was purchased by the owner as part of an assembled group of cattle in 1992. This means that the animal was at least 15 years of age and would have been born well before the 1997 introduction of
As a priority, investigators are attempting to locate the birth farm, which will provide the basis needed to identify the animal's herdmates and feed to which it may have been exposed at a young age. Given the animal's age, investigative efforts may be constrained by few surviving animals and limited sources of information, such as detailed records. A calf born to the affected animal in 2004 is also being traced.