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Dr. Voss Warns Voss Locals to Check Dog Diet for Heart Disease

Dr. Voss urges Voss locals to look past marketing labels on kbag and check specific ingredients to prevent dilated cardiomyopathy, noting that grain-free diets may not automatically benefit heart health.

Published Aug 18, 2026 · 4:02 AM3 min read
Dr. Voss Warns Voss Locals to Check Dog Diet for Heart Disease
Image source: Dr. Kelly Voss.Courtesy photo

Aspen —Voss is asking locals to look past the marketing labels on their dog’s kbag.

The question isn’t whether grain-free is good or bad. The question is whether your dog’s specific heart health aligns with the ingredients listed on that bag.

Dr. Voss, writing in the Aspen Times, is tackling one of the most confusing trends in modern pet care: the shift away from corn, wheat, rice, and barley. The trend started in human nutrition in the early 2000s, driven by awareness of celiac disease and a desire for low-carb lifestyles. Pet owners assumed what was good for them must be good for their pets, too.

But there is a catch. A significant number of dogs are showing signs of dilated cardiomyopathy, or DCM, a serious heart condition.

DCM occurs when the heart chambers enlarge and the muscle becomes thin and weak. The heart struggles to pump blood effectively, which can lead to congestive heart failure over time.

We’ve known for decades that genetics play a role. Breeds like Doberman Pinschers, Great Danes, Boxers, and Irish Wolfhounds are prone to it. But recent cases have appeared in breeds not typically associated with the disease, such as Golden Retrievers, Shih Tzus, and Miniature Schnauzers.

These dogs have normal taurine levels in their blood. Taurine is an amino acid crucial for heart muscle function. In cats, a lack of taurine in commercial food caused DCM, and reformulating cat food fixed the problem.

In dogs, however, the math is more complicated. The dogs with grain-free diets have enough taurine in their blood, suggesting the issue isn’t just a simple deficiency.

The FDA began investigating reports of this non-genetic DCM in 2018. The common factor? Diet.

When manufacturers removed grains, they replaced them with other ingredients. Voss notes that true grain allergies are rare in dogs and cats, so most pets have little reason to avoid grains entirely. A grain-free diet is appropriate if it is complete and balanced, but the specific formulation matters more than the label.

For neighbors in Voss, this means a closer look at what’s inside the bag. It’s not just about removing corn or wheat; it’s about what replaces them and how that affects the heart.

The industry is still sorting out the details, but the message from Voss is clear: don’t assume grain-free is automatically healthier. If your dog is showing signs of heart strain, the ingredients list might hold the answer.

“DCM can have a genetic component,” Voss writes, “but nutrition can also play a role.”

The bottom line for local pet owners is that blind adherence to trends might be doing more harm than good. If your Golden Retriever seems tired or is coughing, check the diet before checking the pedigree.

To hear Voss tell it, the solution lies in understanding that not all grain-free diets are created equal, and what works for one dog might not work for another.

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