ZW score - German Shepherd Dog Forums
 
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post #1 of 9 (permalink) Old 09-03-2009, 08:18 PM Thread Starter
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ZW score

How do these work? It's some calculation based on the parents, no? How do you calculate it or know what it is?
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post #2 of 9 (permalink) Old 09-03-2009, 08:32 PM
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Re: ZW score

I *believe* it's actually a function of the progeny. The better the hip scores of the progeny, the better the ZW#

Check this-
http://nobleheimgermanshepherds.com/...erminology.htm

Bianka vom Eisernen Loewen IPO3, CGC, TC 1-3-08
Cade vom Eisernen Loewen IPO1, CGC 3-25-09
D'Artagnan (Tag) vom Eisernen Loewen BH 2-2-10
G Aiko von Burkndeiros SchH 3, IPO3, FH, TC, KKL2 9-17-02 (Retired)


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post #3 of 9 (permalink) Old 09-03-2009, 08:42 PM Thread Starter
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Re: ZW score

I think I found the answer - at birth it's the average of the parents, and then it changes once the dog is a-stamped, changed again when progeny are a-stamped.

I'm just curious, though I can't find the score for Nikon's mother. Is there a database? I know her SV number, and the sire's ZW score is 66.
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post #4 of 9 (permalink) Old 09-03-2009, 08:49 PM
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Re: ZW score

Here's the database
http://www.schaeferhunde.de/site/index.php?id=688

Djenga von Castra Regina RL2 BH HIC TT

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PAM ARCH SG Kessy vom Waldwinkel 2xHGH Schh1 OB2 RL1X RL3 RN TT AD

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Madina vom Arolser Holz BH AD CGC
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post #5 of 9 (permalink) Old 09-03-2009, 08:50 PM
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Re: ZW score

http://www.schaeferhund.de/ My internet is slow right now, but click on the dog, then look for the one that says HD you can enter name, number, etc

And yes, initially it's the parents 2 numbers combined then divided for the offspring. Once the pups start to get xrayed, the numbers can go up or down. Typically not alot unless really really bad.

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post #6 of 9 (permalink) Old 09-03-2009, 09:28 PM Thread Starter
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Re: ZW score

Quote:
Originally Posted By: phgsdHere's the database
http://www.schaeferhunde.de/site/index.php?id=688
Thanks!! I could not find it anywhere, but I got the number from your link.

So Nikon is 76 until he gets his a-stamp, neat.
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post #7 of 9 (permalink) Old 09-04-2009, 07:39 AM
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Re: ZW score

I would only use the ZW as a rough guide.....it does not take into account hip ratings done anywhere else. If a dog has a low/high birth number, it can be exported, bred in another county, and none of the progeny entered into the database - and the number listed can be very misleading!

Basha, being Belgian born and rated there, got a 100....one pup of her first litter was breed surveyed, and got a 100....so her number stayed high. Looks not so good! BUT - looking at OFAs, she has produced 2 OFA Excellents, 3 or 4 OFA Goods and a OFA Fair - those done as 'a' normals and 'a' fast normal would drop her number significantly.........the reverse is true - a dog who had a bunch of dogs fail would push the ZW up, but it does not happen!

Best to look at both listings and then decide if the dog is a good or bad risk

Lee

Hexe Sch2, Komet & Kougar IPO1, Kira HGH, SG Bengal, Lynx v Wolfstraum ~ Ziberia IPO1 ~ ATB Basha, Kougar & Kyra, Fenja, Sch3s, Cito, Sch2, DangerRH, Csabre & Alice Sch1s ~Kelsey
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post #8 of 9 (permalink) Old 09-05-2009, 09:26 AM
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Re: ZW score

For our dogs that we brought over with an "a" stamp, we redid with OFA. We just did Quasi - OFA good and elbows clear.

We do have a copy of their orginal xrays (all were "a1"), but take the extra step.


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post #9 of 9 (permalink) Old 09-08-2009, 07:08 PM Thread Starter
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Re: ZW score

I'll be doing the a-stamp as soon as I have money (probably Nov at the earliest) and then do OFAs in addition at age two. Prelims looked fine, but I'm paranoid and like to cover all bases, plus I think it's good for the breeder to see results from the progeny.
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