I just read the Myth of Hybrid Vigor blog. I agree with some of her thoughts, but she has a poor understanding of genetics. Sorry, a puppy CAN have a genetic disease that neither of her parents carry. It's called a de novo mutation. A puppy can also be born healthy with two diseased parents. There are many diseases with incomplete penetrance, recessive patterns, etc. There is more to genetics than simple probabilities. Yippee..let's all adopt a dog from the pound. There are people who just aren't going to do it, so fighting over it is useless. Have your dogs spayed or neutered to decrease the unwanted dog population.
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