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Maria Niewiadomska

Why Extensive Gene Testing Is a Responsible Choice—Even If some genes are Not Yet Linked to the Sphynx Breed.

Recently, I learned that some discussions on a local Facebook group involved criticism of my choice to test my cats for a wide range of genetic markers, beyond those typically associated with my breed. I’d like to take a moment to explain why this approach is so important to me, and to share why I believe these extra steps are beneficial for the long-term health and well-being of my cats.



Firstly, dismissing something simply because it’s not yet relevant to the current norm shows a lack of understanding. Genetics isn’t static—it’s constantly evolving. What may not be a concern for the Sphynx breed today could very well be linked to future discoveries. By testing for over 70 genes, I’m not just protecting the present, I’m safeguarding the future. If new health issues are tied to a specific gene, I’ll already have the knowledge of my cats’ status. I’ll know if they’re clear, carriers, or at risk. This is about being proactive, not reactive.


Each sample of my cats’ DNA is stored and can be retested if new genes are discovered.


Here’s the reality: many genetic discoveries have come from breeders who went the extra mile, even when others laughed. Take examples from the world of dogs. The DM gene (Degenerative Myelopathy) was initially ignored by breeders in many breeds, but as research evolved, it was found that carriers could pass on the condition, even in breeds where it wasn’t originally expected. Those who tested broadly were already ahead, armed with valuable information. Another example is PRA (Progressive Retinal Atrophy), a condition initially linked to specific dog breeds but later discovered in others as research advanced.


In the cat world, the PKD gene (Polycystic Kidney Disease) is a great example. It was initially associated with Persians but was later found in other breeds. Breeders who had already taken the extra step to test for it could prevent major health issues in their lines. Imagine if they hadn’t done that extra testing.


When someone chooses to publicly mock me for going above and beyond, I see it as a misunderstanding of what responsible breeding truly is. I’d rather face criticism for being thorough than risk the health of my cats or, worse, breed those who are genetically affected! Testing my cats for a wide range of genes today ensures that I’m prepared for whatever the future may bring.


To those who laugh at breeders like me who choose to test beyond the current recommendations, I ask: What will you do when new research links a gene to a health issue in your cats? Will you regret not having that information earlier?


I won’t. I’ll already know my cats’ status, and that gives me peace of mind. Breeding isn’t just about producing kittens today, as some people think. It’s about thinking long-term, about the future of the breed. Instead of creating drama on social media and making up pity stories for a bit of attention, I suggest focusing more on your cattery and the health of your cats.


I take pride in going the extra mile—because I owe it to my cats, my buyers, and the breed I love. And if that invites mockery, so be it. I’ll always stand by my decision to do what’s best for the health and future of my cats!


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