Californian trainers are being urged to contribute to a standing MRI scanner to help diagnose problems before they occur amid debate in Australia over results.
Santa Anita has recorded its 32nd horse death since December with a colt euthanised after breaking both legs in a race.
The showcase Breeders' Cup meeting is to remain at Santa Anita despite controversy over horse deaths at the Southern California track.
American Hall Of Fame trainer Jerry Hollendorfer has been barred form racing horses at Santa Anita after another fatality.
Two more horses have died at Santa Anita, bringing the number of fatalities to 29
Another horse has died from injuries at Santa Anita racetrack, the 25th fatality since Christmas.
A 23rd horse has died at Santa Anita after a racing accident with authorities still unclear as to the cause.