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-   -   Percentages of genetic faults? (https://www.yorkietalk.com/forums/yorkie-health-diet/6393-percentages-genetic-faults.html)

eensor 05-14-2005 06:48 AM
Percentages of genetic faults?
 
We get so many posts on YT regarding genetic diseases such as liver shunt, collapsing trachea, etc. I was wondering if these are really this prevalent in Yorkies, or if we just hear about them more often on YT. Does anyone know the percentages of these defects in the breed? For example, does liver shunt occur in 1 out of 100 births, etc.? I'm really curious about this. Thanks!

eensor 05-14-2005 07:45 AM
Bump! :)

browniesmom622 05-14-2005 07:49 AM
im curious to know to keep on bumping it :D

eensor 05-14-2005 07:50 AM
Ok! :D

feminvstr 05-14-2005 08:04 AM
http://members.cox.net/jonanyorkies/livershunt.html

here is some great information on shunts

browniesmom622 05-14-2005 08:05 AM
great site thanks :D

CC's 05-14-2005 09:52 AM
Liver Shunt is estimated to be in about 3% of Yorkshire Terriers maybe higher. I'm not sure I have seen any numbers on the others.

Stitches29 05-14-2005 10:16 AM
Quote:
Originally Posted by eensor
We get so many posts on YT regarding genetic diseases such as liver shunt, collapsing trachea, etc. I was wondering if these are really this prevalent in Yorkies, or if we just hear about them more often on YT. Does anyone know the percentages of these defects in the breed? For example, does liver shunt occur in 1 out of 100 births, etc.? I'm really curious about this. Thanks!
I understand from a lot of research that these genetic defects are common in toy breeds. The ideal puppy is one that has been born from a pedigree that has shown to be free of these defects. Maggie came from a breeder of these standards. You will pay more for such a baby, but well worth it. Maggie's breeder even guarantees her babies for two years against defects. Good to know.

Olivier 05-14-2005 10:22 AM
2 " perfect " parents can have a litter where there may be one or two pups that have liver shunt , or others defects . Breeding is not a science , it's an art .

SoCalyorkiLvr 05-14-2005 10:27 AM
Quote:
Originally Posted by Olivier
2 " perfect " parents can have a litter where there may be one or two pups that have liver shunt , or others defects . Breeding is not a science , it's an art .

This is true! There is a never a "guarantee" that they won't have a defect. The only guarantee is that the breeder agrees to compensate you somehow if it occurs. The breeders cannot prevent it even with DNA testing. The breeder may help pay some of the vet expense, may replace the puppy if it dies or may trade the "defective puppy" for one without the defect. Be careful of the last "guarantee" because most of us will have already become attached to the puppy and not be able to send it back.

Yorkieluv 05-14-2005 10:30 AM
If in the lines, including both parents, grandparents , great-grandparents, etc. don't have it, you havea better chance that your pup won't have it.

teri88 05-14-2005 01:34 PM
We just went through this and my research on the internet taught me that Yorkies are 36% more likely to have Liver shunt than any other breed. I don't know how that converts into the number per 100, but it's very scary. We are thinking of another Yorkie, and it worries me.

Stitches29 05-14-2005 02:07 PM
Quote:
Originally Posted by Yorkieluv
If in the lines, including both parents, grandparents , great-grandparents, etc. don't have it, you havea better chance that your pup won't have it.

That was the point I was trying to get over. I guess Olivier didn't understand. Not to say that a perfect 9 generation pedigree is the answer, but it sure helps.

Mystify79 05-14-2005 02:27 PM
I hear about those genetic issues a lot on the Maltese forum I go to.. it seems that issues like luxating patella, collapsing trachea, liver shunt and MVD are more common in small breeds than in larger breeds, that's probably why we hear about it often on small breed forums.


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