I am not sure what you mean. None of the "blood line" is retained in the bitch. If she is a pure breed, she will always be a pure breed. If she is bred with another breed, those babies and any future babies from those offspring will always be a mixed breed. If she is then bred to another pure breed of the same breed she is, those puppies will have no effects from the prior litter.
Last edited by Sunnie; 05-03-2008 at 09:11 PM.
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