It is my understanding that the OFA DM test and the DDC DM Test are looking for different markers and different things. And, that your dog could be DM Clear on one test and a carrier on the other test. So, it is best to pick just one (OFA or DDC) and test all of your dogs through that program. Since OFA will post the results publicly, I am doing all of my dogs through the OFA test. And, I believe most "white" breeders are using the OFA test. Barb Hively - PA DNA. It's what makes a white, a German Shepherd -----Original Message----- From: Ken Tank <tanksr@xxxxxxxxx> Cc: Showgsd-l@xxxxxxxxxxxxx List <showgsd-l@xxxxxxxxxxxxx> Sent: Fri, Mar 30, 2012 8:46 am Subject: [ SHOWGSD-L ] Re: DM test by DDC I have been looking into this myself and have found that there are issenting opinions from experts as to whether or not this test is accurate. en On Thu, Mar 29, 2012 at 5:13 PM, Kim McNamara <klite3gsd@xxxxxxxxx> wrote: > Since Bob George asked the question about DM stats for dogs tested by DDC... I had 4 of my dogs tested about 2 months ago by DDC - results were 2 clear and 2 carriers. I asked them at the time if they had stats, and they didn't give me the number tested but said there're seeing 55% clear, 38% carriers and 7% at risk. And to follow up on Penny's earlier question about what should we do about carriers - my opinion is to learn as much as you can about your own dogs and about those you might want to breed to, i.e., try to be knowledgable - but as someone else said: some of the top dogs in the country are carriers and we should not throw out the babies with the bathwater. Thanks! Kim -- Visit us on the web! http://kimberliteshepherds.googlepages.com/ =========================================================================== OST is Copyrighted 2011. All material remains the property of the original uthor and of GSD Communication, Inc. NO REPRODUCTIONS or FORWARDS of any kind re permitted without prior permission of the original author AND of the howgsd-l Management. ALL RIGHTS RESERVED. Each Author is responsible for the content of his/her post. This group and its dministrators are not responsible for the comments or opinions expressed in any ost. ALL PERSONS ARE ON NOTICE THAT THE FORWARDING, REPRODUCTION OR USE IN ANY MANNER F ANY MATERIAL WHICH APPEARS ON SHOWGSD-L WITHOUT THE EXPRESS PERMISSION OF ALL ARTIES TO THE POST AND THE LIST MANAGEMENT IS EXPRESSLY FORBIDDEN, AND IS A IOLATION OF LAW. VIOLATORS OF THIS PROHIBITION WILL BE PROSECUTED. For assistance, please contact the List Management at admin@xxxxxxxxxxx VISIT OUR WEBSITE - http://showgsd.org SUBSCRIPTION:http://showgsd.org/mail.html ATIONAL BLOG - http://gsdnational.blogspot.com/ =========================================================================== ============================================================================ POST is Copyrighted 2011. All material remains the property of the original author and of GSD Communication, Inc. NO REPRODUCTIONS or FORWARDS of any kind are permitted without prior permission of the original author AND of the Showgsd-l Management. ALL RIGHTS RESERVED. Each Author is responsible for the content of his/her post. This group and its administrators are not responsible for the comments or opinions expressed in any post. ALL PERSONS ARE ON NOTICE THAT THE FORWARDING, REPRODUCTION OR USE IN ANY MANNER OF ANY MATERIAL WHICH APPEARS ON SHOWGSD-L WITHOUT THE EXPRESS PERMISSION OF ALL PARTIES TO THE POST AND THE LIST MANAGEMENT IS EXPRESSLY FORBIDDEN, AND IS A VIOLATION OF LAW. VIOLATORS OF THIS PROHIBITION WILL BE PROSECUTED. For assistance, please contact the List Management at admin@xxxxxxxxxxx VISIT OUR WEBSITE - http://showgsd.org SUBSCRIPTION:http://showgsd.org/mail.html NATIONAL BLOG - http://gsdnational.blogspot.com/ ============================================================================