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This is an old thread, I know, but i have a blue eyed pit so i though i'd share what i've learned of it. Different colored eyes is called heterochromia, which is a genetic mutation, and passed down as an autosomal dominant trait (meaning there only needs to be one copy of the gene for it to appear). If someone was to breed a dog with heterochromia to a dog that did not have the gene there's a 50% chance each puppy will be affected. If the dog was bred to another dog that DID carry the gene, which you wouldn't be able to tell just by looking at the dog, all pups would be affected. Not all dogs that have this trait have problems. It's caused by distribution and lack of melanin. My dog has one blue and one brown eye, and her coat is mostly white. She does have sensitive skin, but this really hasn't posed to be a major problem. Last summer we did have a battle with fleas (which we won :]) and she broke out in hives. So i found out she does have a flea allergy which is common in a many dogs (not just blue eyed white ones). Vet told me i could just give her some standard benadryl and see if that helps (which it did). She also tends to turn a little pink when out in the sun so I found her some sunscreen because she loves the beach (but hates the water). Other than that Lola is a happy healthy dog. Her hearing and eyesight is perfect. I was worried about it as well when i first got her and immediately took her to the vet and had her checked out, which i would suggest to anyone that is thinking about or has recently welcomed a blue eyed pit into the family because there are diseases that are associated with heterochromia!
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