Developmental Duplication (DD) Fact Sheet - A fact sheet providing information about DD, DD testing and registration policies.
Watch the video: Understanding Developmental Duplication in Cattle
Important Notice: DD testing procedures for Tex Demand 2791 progeny.
Important Notice: DD status update for Tex Demand 2791 as of June 27, 2016.
DD Test Results
An updated listing of DD test results. Test results are updated daily as received from authorized testing labs.
Important Update on Developmental Duplication as of September 12, 2013:
Policy Update on Developmental Duplication (DD) and the Display of Information Relating to Genetic
Conditions on Pedigrees,
Click here.
A message from American Angus Association President Phil Trowbridge - in regard to the policy on Developmental Duplication (DD). Click here.
Notice of August 12, 2013:
Genetic Condition Update - A new genetic condition has been identified by Dr. Jon Beever, University of Illinois.
A Task Force of the Board has been directed to meet this week to develop an approach on how the full Board should address this issue.
For more detailed information on the genetic condition and the Board’s action,
click here.