|Barked: Thu Sep 11, '08 10:53am PST |
|Some breeds are required to have them, but they can occur in any dog.
I think the list of breeds that do have them is too long to really be able to look at it and pick out a definite parentage for a mixed breed. But if the mix is turning out to look like a certain breed, and that breed does have the rear dew you could use it as a bit more "evidence."
For example, I knew a "Golden Retriever" mix puppy. The older he got, the more he outgrew all the other Goldens. He turned out almost pure white and had rear double dews. He was most likely actually a Pyr or Pyr cross.
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