Mark and I often receive questions about IVDD/CDDY, especially from other breeders. All but one of our breeding adults carry this variant, and we're aware that the majority of toy and miniature poodles do as well. We've done extensive research, and here’s a summary of our findings.

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What is IVDD?

Intervertebral Disc Disease (IVDD) is a condition affecting the discs that act as cushions between vertebrae in the spine. In dogs with IVDD, a disc can rupture or herniate towards the spinal cord, causing neurologic signs that range from a wobbly gait to impairment of movement.

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What is CDDY?

Chondrodystrophy (CDDY) refers to the relative proportions of a dog’s legs and body, where the legs are shorter, and the body is longer. Several variants can cause this appearance, often seen in breeds like Dachshunds and Corgis.

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CDDY increases the risk of IVDD in dogs by 3-15%. However, having CDDY does not guarantee a dog will develop IVDD. Geneticists believe there are many genes/mutations that contribute to the risk of IVDD, with the CDDY variant being the only one discovered so far.

 

CDDY vs. IVDD

It's important to distinguish between CDDY and IVDD. While CDDY is a genetic risk factor for IVDD, it does not mean a dog has IVDD. Carriers of this gene have an elevated risk, but many dogs with CDDY never develop IVDD. A veterinarian must diagnose IVDD.

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Health of CDDY Carriers

Dogs with CDDY are not less healthy than those without it if they are otherwise healthy. Breeding CDDY carriers can help maintain genetic diversity. It’s crucial to prioritize breeding standards and structural integrity for a dog’s overall health. Geneticists advise that the CDDY gene should not be a deciding factor when evaluating a dog for breeding or adoption purposes.

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What Actually Matters!

If you want to discuss the most common health issues affecting miniature poodles, here are the top 3:

• Patella Luxation (Knee Dislocation): This condition involves the dislocation of the kneecap, which can cause pain and mobility issues. A veterinarian can evaluate a pair of breeding prospects.

• Hip Dysplasia: A genetic condition where the hip joint doesn't develop properly, leading to arthritis and pain. All poodle breeding pairs should undergo hip testing.

• Dental Disease: Miniature poodles are prone to dental issues, including tartar buildup, gum disease, and tooth loss. All breeding pairs should be evaluated by a veterinarian to ensure they have a correct bite, increasing the chances of producing puppies with good bites.​​