MDR1 Dog Breeds

Thankfully, all 3 of our dogs carry 2 normal MDR1 genes. We know that thanks to DNA testing. Most MDR1 dog breeds with mutations come from the herding

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Canine Genetic Tests Thumbs Up (and Down)

The same day we had Clover spayed, I asked our veterinary hospital to run genetic tests too. My primary goal was to learn Clover’s MDR1 status (multi-drug sensitivity

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