A number of environmental factors can affect the incidence of hip dysplasia in dogs - NVH
I really like this research, as far as the breed I am involved in I would be far more concerned with elbow issues rather thank hip problems, while the average hip score in Labradors has come down over the years this doesn't guarantee that all puppies will be free of the genetic part of the equation, as yet there is no DNA test for that, I don't use Penn hip and am unlikely to do so , I know people do use it and are convinced it is the best thing ever however I have asked for but not yet received any INDEPENDENT research that isn't either done by Penn hip or commissioned by Penn hip that Penn hip is in fact better or that Penn hip scored dogs do then go onto produce puppies with a lower incidence of HD . However if someone here can point me in that direction I would be happy to have a read.
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