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Link Between Grain-Free Diets and Heart Disease being Investigated.

Several years ago, Dr. Josh Stern, a veterinary cardiologist at the University of California Davis noticed an alarming trend.  He began diagnosing more and more Golden Retrievers with a free cornheart disease called Dilated Cardiomyopathy (DCM), an unusual disease in Golden Retrievers.   In this condition, the heart muscles dilate, the heart enlarges and no longer can pump properly leading to congestive heart failure and death.

Another trend he noticed is that many of these dogs were being fed the same grain-free diet and had low blood levels of an important amino acid called taurine.

Grain-free diets frequently use potatoes or legumes (peas and lentils for example) as their carbohydrate source instead of grains.  Examples of a grain are wheat, rice, oats, cornmeal and barley. It has been popular to feed a grain-free diet to dogs because consumers view grains as being “less healthy” than non-grain carbohydrates.  Also, some people have a sensitivity to grains and therefore also want a grain-free diet for their dogs. It is important to know, however, that grain sensitivity is very uncommon in dogs.

Taurine is necessary amino acid for heart muscles to function properly. Cats cannot manufacture their own taurine and it is essential that it be supplemented in their diet. Dogs are capable of making some taurine, but not to the level that is needed for good heart health.

Although a definitive answer has not been arrived at yet, it is thought that the diet being fed to the patients that developed DCM was low in taurine, which led to the development of their heart condition.

DCM can be a genetic disease, but it is also known that it can be an acquired disease if a patient is fed a low taurine diet. The vast majority of Dr. Stern’s patients improved when their diet was changed and they were supplemented with taurine.

Cardiologists are still investigating these cases. Veterinarians are recommending if you are currently feeding a non-prescription "Grain Free" diet with peas, lentils, other legume seeds or potatoes as main ingredients, that you slowly transition your dog to a diet that is not marketed as "Grain Free."

If your dog is acting ill, especially if your dog is lethargic, coughing, or has a poor appetite, he should be evaluated by a veterinarian. DCM can be diagnosed with an x-ray in most cases. An echocardiogram (ultrasound of the heart) will also likely be recommended if the concern for heart disease is present.

Blood taurine levels can be evaluated. However, it should be noted that these levels are only meaningful if a blood level is measured before and after a diet change. Because of individual patient variation in blood taurine levels, a single reading does not provide enough information for veterinarians to interpret the results, and there were some atypical breeds that seemed to develop diet-associated DCM but had normal blood taurine levels. It should also be noted that this test is an expensive test to run, typically ranging in price from $400-500.  

If you have further questions about grain-free diets and heart disease, your veterinarian is the best source of information.

Below are some links to information from credible sources for clients who wish to know more:  

FDA warning regarding Grain Free Diets

University of California Davis article on DCM and Grain Free Diets


Cardiologist Dr. Janet Olson information on Grain Free Diets

Best Veterinarian in Edina 2018!


Congratulations to Westgate Pet Clinic for winning "Best Veterinarian in Edina" for 2018!  A special thank-you to all of our dedicated clients that voted for us.  Words cannot express how much we value and appreciate you and your "furry children".  Also, thank you to Edina Magazine for including us in their 2018 "Best Of" issue.   

Best of Edina 2018

August: The Maine Coon

History of the Breedfree maine coon

The Maine Coon is one of the oldest natural breeds of cats in North America. It is the official state cat of Maine, hence the name, Maine Coon. No one knows for sure the exact origins of this breed, but likely it was ship cats that intermingled with local cats on ports of call along the eastern coast of the United States. 

Maine Coons are noted for their large bone structure and luxurious coat. The males can reach 15-25lbs, and females 10-15lbs. They are slow growing and don’t reach their mature size until they are 3-5 years old. Their coat is soft and silky, and their tail puffy and raccoon-like.   They come in a variety of colors, with the most common color being the brown tabby. They are also gentle and friendly in nature. They are loyal to their families, and tend to be relaxed around other cats, dogs and children.

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Minneapolis, MN 55410
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