Neuropathic Hydrocephalus (NH) Fact Sheet - A fact sheet providing information about NH, NH testing and registration policies.

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

• NH tested carrier animals (NHC)
• NH tested free animals (NHF)

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

Important Update on Neuropathic Hydrocephalus (NH) - On Wednesday, April 29, 2009, the Board of Directors of the American Angus Association conducted a special meeting by phone. The purpose of the meeting was to discuss the ongoing work of a Special Committee appointed by the Board to examine the Association's recently-enacted genetic defect policy and that policy's applicability to Neuropathic Hydrocephalus (NH). Click here.  

Preliminary Sire Test Results - Notice of April 13, 2009 - The following update on neuropathic hydrocephalus (NH) includes a listing of preliminary test results provided by Dr. Jon Beever, University of Illinois, on samples submitted to him from AI organizations. Preliminary Sire Test Results

Important Update on Hydrocephalus - On February 13, 2009, the American Angus Association posted a notice setting forth a request to Association members from Dr. David Steffen of the University of Nebraska, asking them to be on the lookout for calves born with an extreme form of hydrocephalus. That posting included pictures of affected calves. Information received by the Association since that day has been promptly provided to Dr. Steffen who, in turn, shared it with Dr. Jon Beever at the University of Illinois. Today, we received a report from Dr. Beever in which he concludes that the presence of the extreme form hydrocephalus in Angus cattle is the result of a recessive mutation. Click here to read the research update.