Sharon Miller ad creative
Sharon Miller
Sharon Miller

Inactive· since Feb 3, 2026

19
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63 of my cats died from the same thing. I know because I pay for a necropsy on every cat I breed. Same cause of death. 63 times. All preventable… If only I knew this one thing sooner. My name is Sharon Miller. I've been breeding Maine Coons in Pennsylvania for 24 years. Not a kitten mill. A small cattery. 380 kittens total. Every cat I place, I track for life. Health issues. Vet visits. And when they pass, I ask the family to send me the final vet records. For the first 16 years, I didn't think much of it. Cats died at 12, 13, 14. Sad, but normal. Then around 2018, the phone calls changed. "Mochi just passed. She was only 9." "We lost Oliver last week. He was 8." "Whiskers' heart gave out. He didn't even make it to 7." Three calls in two months. All heart failure. All under 10. I panicked. Was it my bloodline? Had I been breeding cats with a genetic heart defect for 16 years? I needed to know. The next 87 cats that died, I paid for a full necropsy. $200-300 each. I didn't care about the cost. I needed answers. What I found changed everything. 63 of them listed the same cause: Dilated cardiomyopathy. Enlarged heart. Taurine deficiency noted. Not cancer. Not kidney failure. Not old age. Heart failure from a missing nutrient. In 72% of the cats I'd bred. Average age at death for those 63 cats? 9.2 years. Average age at death for the other 24? 19.4 years. Same breeder. Same bloodlines. Same genetics. 10.2 years difference. And here's what made me sick: I knew about taurine. I knew cats can't make it themselves. Not like dogs. Not like humans. Every cat book says it. Every vet school teaches it. Cats are obligate carnivores. They MUST get taurine from food or they die. I included taurine information in my welcome packet. Page 6. "Consider daily taurine to support heart and eye health." I just never followed up. Never made sure families actually did it. And I never did it consistently with my own cats. Clementine was from my 2016 litter. I kept her because she had the sweetest temperament I'd ever seen. She slept on my pillow every night for 7 years. I told myself I'd start supplementing her "next month." Then next month became next year. I figured the premium food I fed was enough. $65 a bag. "Complete and balanced." Heart-healthy formula. She collapsed on a Tuesday morning. Emergency vet. Echocardiogram. Severe DCM. Heart walls paper-thin. Too damaged to recover. I held her while she died. She was 8 years old. Her necropsy report came back two weeks later. Same four words I'd read 62 times before: "Enlarged heart. Taurine deficiency." I'm supposed to be the expert. I'm the one with 87 necropsy reports proving what kills these cats. And I let my own cat become report #63. Here's what nobody told me: Cats don't just "need" taurine. They burn through it constantly. Every time they digest food, their body pulls taurine from reserves to make bile acids. It's like a daily withdrawal from a bank account that barely gets deposits. Commercial cat food adds taurine back after processing destroys it. But they only add the legal minimum. Just enough to prevent obvious deficiency symptoms. Not enough for optimal heart function over a lifetime. And here's the worst part: You won't see it coming. Taurine deficiency doesn't announce itself. No limping. No crying. No obvious pain. Your cat just gets a little slower. Sleeps a little more. Seems "normal for their age." Until one day their heart gives out. By then the damage is done. The heart walls have stretched thin. The muscle can't pump properly. 11 of my 63 cats also had early-stage retinal degeneration in their necropsy reports. They were going blind. Slowly. And nobody noticed because cats hide it so well. After Clementine died, I finally did what I should have done years ago. I called every family who still had a living cat from my breeding program. I asked one question: "Are you adding taurine to their food daily?" The answers matched the necropsy reports exactly. The Hendersons with Bella, age 18: "Every single day since we brought her home." The Martins with Shadow, died at 8: "We did it for maybe six months. Then forgot." The Chens with Luna, age 17: "Never missed a day. She still plays like a kitten." The Parkers with Max, died at 9: "I don't remember you mentioning any supplement." The Watsons with Murphy, age 16: "Our vet said we were crazy. We did it anyway. Best decision we ever made." I went through my records. Families who supplemented consistently: average lifespan 19.4 years. Families who stopped or never started: average lifespan 9.2 years. I was sitting on the answer for 16 years. It was in my own data. And 63 of my cats died because I buried that instruction on page 6 of a packet most families threw away. The pet food industry says kibble is "complete and balanced." My 87 necropsy reports say otherwise. 72% of my cats died from a deficiency that commercial cat food was supposed to prevent. The breeders know. The animal shelters have known since the 1980s. That's why shelter cats have dramatically lower heart failure rates. They supplement as standard protocol. The people whose livelihoods depend on animals living long, healthy lives? They all add taurine. The people selling cat food? They say it's unnecessary. My filing cabinet full of necropsy reports tells me who's right. After Clementine, I changed everything. Taurine supplementation moved from page 6 to page 1. Bold. Highlighted. Impossible to miss. "CRITICAL: Daily taurine is required, not optional. 72% of my cats that died had the same deficiency. Do not skip this." I started including a 90-day supply with every kitten. I call families at 3 months to make sure they've reordered. And I tried everything before I found what actually worked. I switched to a "heart healthy" cat food. $70 a bag. The next cat that died? Same cause. Enlarged heart. Taurine deficiency. I tried the taurine supplements from the pet store. Treats and chews with "added taurine." The dosing was a joke. I ordered cheap taurine powder from Amazon. Half the families said their cats wouldn't touch it. The other half said it clumped, smelled off, or they weren't sure if it was actually pure. I even tried adding chicken hearts and liver to their food. Most families couldn't keep up with it. Too much prep. Too inconsistent. I needed something pharmaceutical-grade. Proper dosing. No taste. No smell. Something families would actually use every single day. I posted in a private breeders group: "What taurine supplement do you actually trust?" 14 replies. 11 of them said the same thing: PurrVita. Pharmaceutical-grade taurine powder. 99.9% pure. Same quality the shelters use. Dissolves instantly. Cats don't even notice it. I tested it with 12 families for 6 months before I'd recommend it to anyone. Now it's the only thing I send home with my kittens. Since I made these changes, not a single cat has died from heart failure. Not one. Bella is 18 now. Luna is 17. Murphy is 16. All still running, playing, acting years younger than their age. For cats who haven't been supplementing, I recommend starting with 3 tubs. That's the loading protocol. It restores baseline levels faster after years of running on empty. $0.77 a day. Less than a cat treat. Less than a cup of coffee. Less than the guilt of knowing you could have done something. I can't bring back Clementine. I can't undo the 63 necropsy reports in my filing cabinet. But I can make sure every family who gets a kitten from me — and every person reading this — knows what I learned too late. 72% of my cats died from the same preventable cause. Every single one of those deaths was on me. I knew better. I just didn't act. Don't make my mistake. Start protecting their heart today → getpurrvita.com/taurine — Sharon Miller Maine Coon Breeder | 24 Years | 380 Kittens I pay for necropsies. I know what's killing these cats. P.S. — Bella is 18. Luna is 17. Murphy is 16. Clementine died at 8. Same breeder. Same bloodlines. Same genetics. The difference was one scoop of powder every morning. Clementine didn't get it. Now she's a necropsy report in my filing cabinet. The others are still alive. P.P.S. — 63 out of 87. That's 72%. All heart failure. All taurine deficiency. All preventable. I have the paperwork to prove it. → getpurrvita.com/taurine

This Killed 63 of My Cats

I started paying for necropsies after my cats kept dying young. What I found shocked me...

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