Hi,
Can my akc GS get penn hp instead of ofa? what one is more acurate? what is the best age and what is the about cost? I am in MD can someone refer me?
alice oliver Webboard User Reg: 09-14-2005
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the problem with penn hip is it is a graduated score. ofa is pass or fail. for breeding purposes i want to see pass or fail.
in both cases the "accuracy" is nothing more than a judgement call of the radiologists. it is a matter of their opinion. if you don't like the first result, you can resubmit and ask for another opinion.
wait until after two years old and then you will have a definitive answer on the quality of the hips. the cost is the cost of the xrays, which involve general anesthesia, and the ofa application, which i seem to remember is around $35.
i don't see much reason to do it unless you either plan to breed, or your dog is having symptoms.
I have to quibble a little with Alice's explanation on Pennhip :-) With OFA, it is a subjective opinion of whichever radiologists are there at the time. However, with Pennhip, exact measurements are taken of the distraction level of the hips. I guess the argument could be made that they could miscalculate the distraction level but I doubt it happens since it is done by the same trained people and not a bunch of rotating vets.
I prefer Pennhip to OFA based on this and like how they compare your dog to those of your breed. They do tell you that they do not recommend breeding after a certain distraction level (I think it is around .6 or .7).
However, I do both OFA and Pennhip because I am anal retentive. I general do Pennhip around a year so I can get an idea if I am going to have issues and than I do hips and elbows at 2.
If you do a search on Pennhip on this board, you will find plenty of messages that discuss this topic.
Jenn Kavanaugh Webboard User Reg: 01-05-2004
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I prefer the PennHip because it's based on an actual and REAL measurement, not just an opinion (as is OFA). Additionally, PennHip scores are compared to other dogs in their database of the same breed. I did both so got a better idea based on completely different sets of x-rays. The dogs are positioned differently.
Here's a good site to explain PennHip vs. OFA Click Here
Intelligent dogs rarely want to please people whom they do not respect --- W.R. Koehler
alice oliver Webboard User Reg: 09-14-2005
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i should have been maybe a little more explicit for why i generally prefer ofa. if you are concerned about your dog's hip condition for reasons other than breeding, then sure penn hip is great.
but when i'm looking for a good breeder, i want to see that they use ofa. why? because many breeders who have dogs that would not pass ofa use penn hips scores instead to try to justify the breeding. it is easier to deceive puppy buyers into thinking the dog's hips are fine, since they aren't sophisticated about the scores. all they have to say is the dog's hips were "tested." with ofa, there is no ambiguity. it's pass or fail.
ofa does, btw, compare the appearance of the hips with others of the same breed.
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Penn hip info needed
#112146 - 08/24/2006 10:45 PM 
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