[ SHOWGSD-L ] Re: [ SH-GSD-L ] Re: Genetic Markers in the Breeding Pool
- From: Peggy <pmick12@xxxxxxxxxxx>
- To: zlrockenstein@xxxxxxxxxxxxxxxx
- Date: Sun, 07 Jan 2007 22:54:39 -0500
Are you speaking of the days when Esbilac (milk replacer) was said
to cause cataracts? That warning, I believe, was removed from the
product when it was found that the "cataracts" weren't really cataracts
at all, but an image that masqueraded as a cataract--or are you speaking
of some other milk replacer. The warnings about Esbilac were over 25
years ago, I believe.....and I haven't heard of any others. Please
enlighten us.............
Peggy
Rockenstein, Zoa L. wrote:
>I am going to weigh in academically here. Tests are of value only if they are
>both valid and reliable. A "valid" test is one that really tests what it is
>supposed to test. A "reliable" test is one that gives a score that accurately
>measures the amount of something the test subject has. Take CERF, for
>example. It has recently been brought to my attention that milk replacement
>given to puppies will cause an image to appear in an eye exam that mimics a
>cataract in our breed. If this image appears, the dog won't CERF. Does the
>dog have a cataract? Likely not. Was the test valid and reliable for the
>gsd? Likely not.
>
>All tests have published reliability and validity data available. It's dry
>reading, but worth wading through the jargon.
>
>
>Dr. Zoa Rockenstein
>Professor
>Psychology Department
>St. Cloud State University
>St. Cloud, MN 56301
>________________________________
>
>From: showgsd-l@xxxxxxxxxxxxx on behalf of Ginger Cleary
>Sent: Sun 1/7/2007 8:54 PM
>To: Showgsd-L@Freelists. Org
>Subject: [ SHOWGSD-L ] Re: [ SH-GSD-L ] Re: Genetic Markers in the Breeding
>Pool
>
>
>
>You're going to be hard pressed to find very many people doing these tests.
>For one thing several of them are quite unreliable. The DM test is still
>unreliable, still in the research phase. Thyroid tests are limited. They
>show only the condition AT THE TIME of the test. Besides, thyroid condition
>is fairly self limiting. Dogs with thyroid problems don't produce well, not
>without a lot of help. CERF for what? GSDs don't have PRA or Collie Eye
>Anomaly. And the last time I heard of a GSD with Vwd (actually it was
>Hemophelia A) was over 15 years ago and it wasn't an American dog.
>
>EPI is another of those tests that only shows the condition of the dog AT
>THE TIME of the test. And having HAD a dog with EPI, you will know it.
>
>Ginger Cleary - Rome, GA www.rihadin.com <http://www.rihadin.com
><http://www.rihadin.com/> >
>"It is not the function of our Government to keep the citizen from falling
>into error; it is the function of the citizen to keep the Government from
>falling into error."United States Supreme Court, American Communications
>Association v. Douds, 339 US 382 (1950)
>
>
>-----Original Message-----
>From: showgsd-l@xxxxxxxxxxxxx [mailto:showgsd-l@xxxxxxxxxxxxx]On Behalf
>Of Louise Cauthen The tests I was referring to are basically the ones
>listed on the OFA CHIC page, including heart, thyroid, DM, CERF and I think
>VonWillebrands [sp?] and maybe EPI. Of course they list hips and elbows
>too but everyone accepts that as a standard test.
>
>
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POST is Copyrighted 2006. 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.
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@xxxxxxxxxxxx
VISIT OUR WEBSITE - www.showgsd.org
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