AMERICAN ANGUS ASSOCIATION - THE BUSINESS BREED

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Osteopetrosis Information

Osteopetrosis (OS) Fact Sheet - A fact sheet providing information about OS, OS testing and registration policies.

OS Test Results
An updated listing of OS test results. Test results are updated daily as received from authorized testing labs.

Click here for AGI testing prices.

Authorized OS Testing Labs
Access the listing and contact information for the current American Angus Association authorized labs conducting tests for OS. Additional labs will be added to the page as they are approved. Click here.
Potential Carrier Report
AAA Login users can access an interactive tool to generate a report of owned animals and their OS status based on the OS test results received to date. From the AAA Login menu, go to the DNA > Genetic Condition Tools section and click on the "Potential Carrier Report" menu option. If you are not a current AAA Login user, click here to create your online profile.

Board Notice: An important announcement from the American Angus Association Board of Directors regarding the genetic condition Osteopetrosis.

Effective 05/17 testing for OS is available through AGI. Access angusonline.org here to order tests and click here for answers to some FAQs regarding OS and its potential impact.