Glycogen Storage Disease Average Cost

From 34 quotes ranging from $1,500 - 5,000

Average Cost


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What is Glycogen Storage Disease?

Glycogen, often referred to as “animal starch” is the primary way by which mammals store energy. An enzyme called glucose-6-phosphatase handles converting the glycogen into glucose, which the body can then use as fuel. Rarely, some puppies can be born with a genetic deficiency in this enzyme. Without the action of glucose-6-phosphatase, the animal is unable to produce glucose on its own in response to changes in blood sugar. This leads to chronic low blood sugar. Also, since the animal cannot effectively break down glycogen and fat, both of these accumulate in the liver, kidneys and muscle, causing damage and impairing the proper function of these organs. The abundance of glycogen by-products has to go somewhere, and when it is processed via additional metabolic pathways, it can lead to other disorders like lactic acidosis and elevated triglycerides. Dogs with this condition do not usually survive past four months.

Glycogenosis, often referred to as Glycogen Storage Disease, is a genetic defect in dogs. The enzyme glucose-6-phosphatase, a key step in the production of glucose, is found to be deficient. The excess of glycogen and inability to perform the glucose-freeing step in the metabolic pathway leads to chronic low blood sugar, liver damage and premature death.

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Symptoms of Glycogen Storage Disease in Dogs

  • Weakness
  • Chronic low blood sugar
  • Collapse
  • Lethargy
  • Enlarged liver
  • Anorexia
  • I-a: occurs in toy breeds. Low body weight, lethargy and low blood sugar.
  • II: occurs in Laplands. Gastrointestinal upset, weakness and heart trouble.
  • III: occurs in German Shepards and Curly-Coated Retrievers. Weakness, low body weight and slight low blood sugar.
  • IV: occurs in Springer Spaniels. Damage to red blood cells, urinary abnormalities.

Causes of Glycogen Storage Disease in Dogs

Inherited genetic defect.

Diagnosis of Glycogen Storage Disease in Dogs

Owners who notice their new puppy failing to gain weight and seeming weak should see an appropriately skilled veterinarian as soon as possible. There are a multitude of possible reasons why your puppy is ill, and many of them may be curable. In the event that your dog does have Glycogenosis, the veterinarian will attempt to rule out similar diseases such as hepatitis, mucopolysaccharidosis, and ketoacidosis as a symptom of diabetes. First, a number of blood panels checking liver and kidney function will be performed. Blood sugar will be checked, and an insulin-production test may be given to rule out diabetes. As the veterinarian comes to suspect Glycogenosis, a genetic test will definitively diagnose this condition with a blood or saliva sample.

Treatment of Glycogen Storage Disease in Dogs

Unfortunately, Glycogenosis is always fatal. During the diagnostic process, there are a number of ways low blood sugar may be corrected, such as a high-carbohydrate diet and administration of dextrose intravenously. These are only short-term measure, and it is a rare occurrence for dogs afflicted with Glycogenosis to survive more than a year.

Recovery of Glycogen Storage Disease in Dogs

There is no cure for Glycogenosis, and many veterinarians deem it kinder to euthanize the dog rather than subject it to the suffering incurred as its condition deteriorates. A diet high in carbohydrates in conjunction with intravenous dextrose solutions can temporarily manage crises of low blood sugar, but is not a permanent solution. Dogs suspected of carrying the gene for Glycogenosis should not be bred, and the parents of the affected puppy should also be kept from breeding again. The owners of seemingly healthy dogs from that litter should be notified of the risk their dog is a carrier.

Glycogen Storage Disease Questions and Advice from Veterinary Professionals

Doberman Pinscher
2 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

Weight Loss
Stomach Pain

Hi! My Dobermann female, two years old, has had elevated ALAT-levels for a couple of month - about five time the upper reference. Also elevated ALP and BUN, and low B12. She has lost 5 kg in weight, and has very Little muscle mass left. Also have som behavioural Changes, tiredness etc.

Bile acid test and ultra sound of the liver came back clear. Biopsy from the liver showed:

""Diffuse swollen hepatocytes with grannular cytoplasma or cytoplasmatic microvacualar as can be seen with water or glycogene storage. Some liver cells shows round fat vacuoles. Focal intra cellular accumulations of yellow Brown pigment.

PAD: Granular hepatocyte degeneration/storage. (Hepatic glycogenos). Low levels of copper in hepatocytes."

Do you think her problems are all related to copper storage? What about glycogene storage? What can I expect?

Dr. Michele King, DVM
Dr. Michele King, DVM
1611 Recommendations
Thank you for your email. Low levels of copper are positive - high levels are a problem. As I am not a pathologist, it would be best to have your veterinarian call to consult with the pathologist to find out more about these findings, what they might mean for her, and how to treat her specific liver disease. I hope that you are able to get answers for her.

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11 Years
Has Symptoms
Weight Loss
My toy poodle Emma is the cutest thing ever. But she wasn’t gaining weight and she seemed weak and became lethargic after a while. I got concerned and made a vet appointment. The vet gave her an exam and told me that she has Glycogen Storage Disease, which is low blood sugar. Sadly and to my surprise the vet said that she’s suffering and he recommended putting her to sleep very soon.