[ SHOWGSD-L ] Re: [ SH-GSD-L ] Re: Genetic Markers in the Breeding Pool
- From: Peggy <pmick12@xxxxxxxxxxx>
- To: Wasatchgld@xxxxxxx
- Date: Mon, 08 Jan 2007 00:17:45 -0500
Esbilac doesn't. Back in the 60s and early 70s, there was a warning on
the Esbilac label that said it could...but I believe they found out that
what it caused was a film that was not a true cataract.
the warning isn't on the label these days.
Peggy
Wasatchgld@xxxxxxx wrote:
> I live in a high altitude area where Pannus and other eye problems
> often show up. There isn't a local vet who does CERF exams (these
> require an eye specialist), but I always test any dog(s) that are with
> me if there is a clinic at a show. I have had a bitch with Pannus, as
> well as two other conditions that were originally misdiagnosed by a
> regular vet. These conditions were much harder to treat because of
> the time wasted from failure to diagnose them and from treating them
> with a prescription that actually made them worse. I do believe in
> the CERF exams - but these will only find the conditions in an
> affected animal. It will not tell you if a dog is genetically
> predisposed. Even if the dog has all the genes for the condition,
> there must be a 'trigger' to make it active, ie, altitude, diet,
> stress, etc. I've had the tests done a several of my dogs that were
> all weaned with Esbilac, and never found cataracts, so I don't believe
> Esbilac would cause those.
>
> I looked into the DM tests recently, and after careful study decided
> that the tests would be quite costly for the vagueness of the
> information I would get from them. I'm still watching the progress of
> these studies, with a great deal of hope, but have decided to wait for
> now. From what I've read, if the DM marker is not found, the tested
> dog will not develop DM; however, if the marker is found, the dog
> might or might not develop it someday. Right now it is most effective
> as a diagnosis tool for dogs that have DM symptoms. Since the dogs I
> was thinking of do not have symptoms (and neither do their parents so
> far), I'm not at that point. I also looked to see if there was
> somewhere listing stud dogs that passed the DM Flash test, and the
> only place I found was the CHIC site. That site only lists GSD's that
> have also passed all the other required tests for CHIC - so there was
> only a single bitch listed with the DM test when I looked. If you did
> do the test on a healthy bitch and she had the marker, the advice is
> to breed her to a dog that is free of it - there doesn't seem to be
> anywhere to find the stud dogs that are free of the marker?
>
> EPI is another expensive test that only identifies an affected dog.
> If I see symptoms I will pay for the tests, but I won't test a dog
> with good weight, solid stools, healthy coat, etc. I had one EPI
> bitch in the past, and agree that it would be hard to miss the symptoms!
>
> To sum it up - I think asking everyone to do all these tests is an
> admirable goal, but not realistic. Too many of these will only
> diagnose a dog that is affected - not a dog that is genetically
> predisposed. A dog that tests clear today, may not in six months.
>
> What I will suggest, is how about everyone who has a dog that has
> tested free of the DM Marker, post the dog to the list? We can start
> a list, much like the ones for long coats and black factored, that we
> can share. If there are enough, either they could be on a page on
> the list site, or I could probably put it on a web page for reference
> (I have way more space than I'm using, lol) - listing name (with
> titles), gender, sire, dam, owners and an email address for questions
> about the dog. If the dog or bitch has a web page, that can be included.
>
> Janice
>
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