Arthrogryposis Multiplex Information

Arthrogryposis Multiplex (AM) Fact Sheet - A fact sheet providing information about AM, AM testing and registration policies.

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

Click here for AGI testing prices.

Authorized AM Testing Labs
Access the listing and contact information for the current American Angus Association authorized labs conducting tests for AM. 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 AM status based on the AM 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.

An important message from American Angus Association President Jay King - in regard to policies on Arthrogryposis Multiplex (AM) and Neuropathic Hydrocephalus (NH). Click here.  

Notice of November 25, 2008:
The following summary was developed to respond to questions commonly asked by American Angus Association members. Click here.

A video is available of Dr. Jon Beever's presentation given during the Angus Education Center, held in conjunction with the Association's 125th Annual Meeting in Louisville, KY. To view the video, click here.

Notice of November 20, 2008:
On Saturday, November 15, 2008, the Board of Directors of the Association adopted a new policy and related set of rules governing the handling of genetic defects, including Arthrogryposis Multiplex (AM), within the breed. Click here for a complete posting of new policies and related rules.

Notice of November 3, 2008:
The following update on Arthrogryposis Multiplex (AM), commonly known as Curly Calf Syndrome, includes a listing of preliminary test results provided by Dr. Jon Beever, University of Illinois, on samples submitted to him on bulls from five A.I. organizations. Click here.

Notice of October 24, 2008:
The following update on Curly Calf Syndrome replaces the Question and Answer summary that was posted here on October 17, 2008. Click here.

Notice of October 3, 2008:
The Board of Directors voted unanimously on October 2, 2008 to adopt the attached Guidelines Relating to the Registration Status of Potential and Known Carriers of the Curly Calf Syndrome. Click here.

Notice of September 26, 2008:
From the Board of Directors of the American Angus Association concerning Curly Calf Syndrome. (No. 1, 09/26/08) Click here.

Notice of September 17, 2008:
Important Update on the Status of Curly Calf Syndrome - the AAA Board of Directors and Dr. Jon Beever of the University of Illinois provide separate reports to the membership. Please read carefully, click here.

Notice of September 5, 2008:
Association Requests Reporting of Abnormality - The American Angus Association is asking members and breeders using Angus genetics to be on the lookout for a certain type of calf, specifically calves born dead with bent and twisted spines. For additional information, click here.