Lebererkrankungen Hund – Ursachen, Symptome & Leberdiät für Hunde

Liver Disease in Dogs – Causes, Symptoms & Liver Diet for Dogs

Table of Contents

What are liver-related dietary needs in Dogs?

Canine liver-related dietary needs and functional impairments are widespread but often go undetected until an advanced stage. The liver has an astonishing ability to self-heal, meaning that damage can often be repaired without obvious symptoms.

Early detection is difficult due to non-specific initial symptoms, complicating an early diagnosis. Signs such as increased susceptibility to parasite infestation, food intolerances, or frequently occurring skin problems can indicate a possible liver dysfunction. An accurate diagnosis is usually made when specific symptoms of severe impairment appear and are confirmed by blood tests.

Liver diet for dogs

Main Causes and Types of Canine liver-related dietary needs

Infectious diseases such as leptospirosis or canine infectious hepatitis (Hepatitis contagiosa canis) are among the common liver-related dietary needs. coatthermore, various triggers cause acute liver inflammation, including poisoning from the use of chemicals such as insecticides, herbicides, and pesticides, as well as the ingestion of xylitol or certain medications. Overexertion can also lead to liver inflammation.

The range of liver-related dietary needs in dogs is broad and includes:

Other liver-related dietary needs include liver cancer, the formation of abscesses in the liver, liver cirrhosis, and fatty liver, which is characterized by an excessive accumulation of fat in the liver. Genetically determined disorders such as copper storage disease also affect liver health. Liver shunts, i.e., portosystemic vascular anomalies, which can be either congenital or acquired, and congestive liver, caused by cardiovascular diseases such as right heart failure, pose coatther challenges. In addition, there are acute and chronic liver dysfunctions, including chronic liver insufficiency.

  • acute and chronic liver dysfunctions
  • chronic liver insufficiency
  • infections, including leptospirosis and hepatitis
  • acute liver inflammation due to toxins
  • liver tumor in dogs and other liver neoplasms
  • liver abscesses and cirrhosis
  • fatty liver (lipidosis)
  • genetic disorders, e.g., copper storage disease
  • Portosystemic shunts, mostly congenital or acquired vascular anomalies
  • congestive liver caused by cardiovascular problems (e.g., right heart failure)

Breed-Specific Predispositions to Canine liver-related dietary needs

Some dog breeds are genetically more susceptible to certain types of liver-related dietary needs in dogs. These include Cocker Spaniels, Labrador Retrievers, Dobermans, and West Highland White Terriers for idiopathic chronic hepatitis, as well as Bedlington Terriers, Skye Terriers, and other Spaniel breeds for copper storage diseases. Preventive measures to minimize liver burden are particularly important for owners of these breeds – this also includes a suitable liver diet for dogs.

Cocker Spaniel liver-related dietary needs

Early Detection and Symptoms – from Loss of Appetite to Dry Dog Nose

Early detection of canine liver-related dietary needs can be challenging as symptoms are often non-specific. Early signs include:

  • loss of appetite and occasional vomiting or diarrhea
  • changes in stool color and consistency
  • decrease in general vitality and skin problems
  • non-specific signs such as fatigue, dry dog nose, or dull coat (always to be assessed in the overall picture)
  • progressive symptoms include weight loss, jaundice, and in severe cases, neurological disorders and ascites

Important: A confirmed diagnosis of liver-related dietary needs in dogs is always made by a veterinarian – usually through blood tests, possibly ultrasound, imaging procedures, and biopsies.

Causes and Risk Factors for Canine liver-related dietary needs

liver-related dietary needs can be triggered by genetic predispositions, side effects of medications, overexertion, and environmental toxins. Nutritional causes include poor quality food, poorly digestible proteins, and an excess of proteins.

Excessive protein intake is a known cause of liver disease in dogs. This overfeeding often results from feeds with a high crude protein content or by additional feeding of protein-rich products. Such diets stress the liver and can quickly lead to liver-related dietary needs.

In the case of protein intake exceeding the dog's needs, the liver must convert excess proteins into carbohydrates. These conversion processes place a heavy burden on the liver and lead to the formation of large amounts of metabolites, including ammonia. Such substances can not only burden the liver but also other organs such as the kidneys and, in high concentrations, cause central nervous system disorders.

BellyVital Dog Food

Liver Diet for Dogs: Nutrition for Canine liver-related dietary needs

An adapted liver diet for dogs is a central component of therapy. The goal is to relieve the liver without undernourishing the dog. Protein quality, quantity, and digestibility are crucial here.

Low-quality and poorly digestible protein components:

Excerpt from REGULATION (EU) 2020/354 for "feed for particular nutritional purposes":

Support of liver function in chronic liver insufficiency:

— Moderate protein content: Crude protein ≤ 279 g/kg complete feed with a moisture content of 12%

— for dogs crude protein ≤ 370 g/kg complete feed with a moisture content of 12%

— for cats and selected protein sources and recommended digestibility of dietary protein ≥ 85%

A good liver diet for dogs relies on highly digestible proteins in moderate amounts, sufficient high-quality fats, adapted energy content, and possibly special additives (e.g., antioxidants). Especially in chronic cases, a consistent dog liver diet is worthwhile to maintain quality of life and reduce secondary problems.

Terms like liver diet dog, liver diet for dogs, or liver diet in dogs do not refer to a "one-size-fits-all" food, but rather individually adapted nutritional concepts – ideally in consultation with a veterinarian or nutritionist.

Supporting Liver Health through Nutritional Supplements

The following food supplements can be helpful in supporting liver function:

  • Milk thistle: Protects and promotes the regeneration of liver cells.
  • Turmeric: With curcumin, promotes liver function through its anti-inflammatory properties.
  • Antioxidants: Protect the liver from damage by free radicals.
  • Omega-3 fatty acids: Have anti-inflammatory effects and promote liver health.
  • B vitamins: Especially vitamins B12 and B6 play an important role in metabolism and can support liver function by helping to reduce fatigue and provide energy.
  • Green tea extract: Contains polyphenols that have antioxidant properties and can promote liver health.
  • Dandelion (dandelion root): Traditionally used to support liver health, as it stimulates bile flow and aids in detoxification.

Additionally, many owners use plants like devil's claw for orthopedic problems – it is important to know: Devil's claw in dogs should only be used with existing canine liver-related dietary needs after veterinary consultation, as herbal active ingredients are also metabolized by the liver.

How BugBell Helps – Gentle Liver Diet for Dogs

Nutrition plays a crucial role in a dog's liver health. Too much fat or protein in the food can overload the liver and lead to metabolic disorders. A well-thought-out liver diet for dogs therefore relies on moderate, highly digestible protein amounts and high-quality ingredients.

With our dog biscuits for a healthy gut flora, you help your coatry friend detoxify and strengthen the immune and digestive system in a balanced way – an important indirect factor in canine liver-related dietary needs.

All our insect-based products have a moderate protein content of less than 25% crude protein, with a required digestibility of ≥ 80%. The ingredients are precisely balanced to primarily detoxify and stabilize the liver and kidneys and to be well integrated into a liver diet for dogs.

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BellyVital Dry Food Ingredients 

Scientific Sources on Canine liver-related dietary needs and Liver Diet

  • Center, S. A. (2009): "Hepatic Disease in Dogs". Veterinary Clinics of North America: Small Animal Practice.
  • Watson, P. J. (2004): "Chronic hepatitis in dogs: a review of current understanding of aetiology, progression and treatment". Journal of Small Animal Practice.
  • BSAVA Manual of Canine and Feline Hepatology – Chapters on liver-related dietary needs and nutrition.
  • Regulation (EU) 2020/354: Feed for particular nutritional purposes – Support of liver function in chronic liver insufficiency.
  • FEDIAF: "Nutritional Guidelines for Complete and Complementary Pet Food for Cats and Dogs" – Recommendations for nutrient supply in liver-related dietary needs.

Note: This article does not replace veterinary advice. Our products can provide nutritional support but are not veterinary medicinal products. If your dog has health problems, please always consult a veterinarian.

Portrait of Jamina Zaugg

Reviewed and approved by

Jamina Zaugg, M.Sc.

Food Scientist at BugBell

Jamina is a food scientist specializing in functional pet food formulations, alternative protein sources, and digestible feeding. At BugBell, she is responsible for product development, formulation validation, and transparent, open declaration of all ingredients.

Degree: M.Sc. Food Science (Osnabrück University of Applied Sciences)

Expertise: Nutritional physiology, alternative proteins, formulation and labeling law (EU)

Conflicts of interest: works for BugBell (product-related content may mention own products)