Both blood and urine will be used for diagnostic testing, and DNA will also be isolated from the blood for genetic analysis in order to detect possible mutations that are causing the disease. (vet.osu.edu)
The virus at present is more adapted to horses than to dogs, so wiping out the illness now would prevent future possible mutations within canines. (doggedblog.com)
But hopes of developing a simple genetic test dimmed when researchers realised that there are a huge number of possible mutations (This Week, 10 December 1994). (newscientist.com)