Dedicated to preserving and celebrating paint horse heritage.

American Tobiano 
& Overo Association
American Tobiano 
& Overo Association
  • Home
  • Membership Renewal
  • Youth Programs
  • ATOA Committee Leaders
  • Printable Forms
  • Requirements for Reg.
  • How to Reg your Horse
  • Color Pattern
  • Breeders Legacy
  • Judging and Steward List
  • Charter Clubs
  • Labs
  • Contact
  • Frequently Asked Question
  • Mission Statement
    • About
  • Programs
    • Virtual Horse Shows
    • Show Secretary Program
    • Painted Pathways
    • ATOA Professional Program
    • Open Show Awards Program
  • ATOACentral
  • More
    • Home
    • Membership Renewal
    • Youth Programs
    • ATOA Committee Leaders
    • Printable Forms
    • Requirements for Reg.
    • How to Reg your Horse
    • Color Pattern
    • Breeders Legacy
    • Judging and Steward List
    • Charter Clubs
    • Labs
    • Contact
    • Frequently Asked Question
    • Mission Statement
      • About
    • Programs
      • Virtual Horse Shows
      • Show Secretary Program
      • Painted Pathways
      • ATOA Professional Program
      • Open Show Awards Program
    • ATOACentral

  • Home
  • Membership Renewal
  • Youth Programs
  • ATOA Committee Leaders
  • Printable Forms
  • Requirements for Reg.
  • How to Reg your Horse
  • Color Pattern
  • Breeders Legacy
  • Judging and Steward List
  • Charter Clubs
  • Labs
  • Contact
  • Frequently Asked Question
  • Mission Statement
    • About
  • Programs
    • Virtual Horse Shows
    • Show Secretary Program
    • Painted Pathways
    • ATOA Professional Program
    • Open Show Awards Program
  • ATOACentral

Our Testing Partners

UC Davis logo in yellow on a white background.

UC Davis DNA Lab

ATOA accepts DNA and color-pattern testing results from UC Davis Veterinary Genetics Laboratory. Learn more or order a test at https://health.ucdavis.edu/health-topics/lab-testing-and-diagnostics. Pricing varies by test — contact the lab directly for current rates.

Logo of DNA Diagnostics Center with blue and green letters.

DDC Genetic Lab

ATOA also accepts horse parentage and color testing from DNA Diagnostics Center (DDC). Order a test at https://dnacenter.com/products/veterinary/horse-dna-testing/horse-parentage-test/. As with UC Davis, pricing varies — contact DDC directly for current rates.

DNA Testing for Paint Horses

A cowboy rides a horse alongside a close-up of a horse's face with a genetics-themed message.
UC Davis logo in yellow on a white background.
Logo of DNA Diagnostics Center with blue and green letters.

Copyright © 2026 American Tobiano Overo Association. All Rights Reserved.

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  • Home
  • Membership Renewal
  • Youth Programs
  • ATOA Committee Leaders
  • Printable Forms
  • Requirements for Reg.
  • How to Reg your Horse
  • Color Pattern
  • Judging and Steward List
  • Contact
  • About
  • Virtual Horse Shows
  • ATOA Professional Program
  • ATOACentral

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