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.
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
"Interactive" section and click on the "Potential Carrier Report". 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).
Notice of November 25, 2008:
The following summary was developed to respond to questions commonly asked by
American Angus Association members.
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,
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
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.
Notice of October 3, 2008:
The Board of Directors voted unanimously on October 2, 2008 to adopt the
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)
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,
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,