Official Registry Portal

Australia’s Thoroughbred Derivatives Registry.

Identification, verified pedigree, and registered ownership history — organised into a Gold, Silver, and Bronze studbook.

GoldSilverBronze

Thoroughbred Derivatives Australia

Create your TDA account

Your account is your free sign-in. TDA Membership is a separate annual plan you apply for after signing in — it is what lets you register horses and hold registered ownership.

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