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What is Liver Disease?

The liver is an important part of your bird’s organ system.  It can be damaged by many things which make it an easy target.  Luckily, the liver has the ability to regenerate as long as the architecture is maintained.  However, it the architecture collapses, regeneration either does not go well or does not happen at all.  In this case, the disease cannot be corrected and only progresses along until it is the cause of your bird’s death. Your veterinarian can always offer supportive therapies, but there is no cure for liver disease once too far along.  The earlier the liver disease is caught and treatment is begun, the better his prognosis of recovery.

Liver disease can vary in stage and severity in each individual case.  While the liver does have regenerative properties, you do not want the disease to get so progressed to where it loses those regenerative properties.  If you believe your bird is ill, bring him to a veterinarian for further evaluation as soon as you can.

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Symptoms of Liver Disease in Birds

  • Lack of appetite
  • Inactivity
  • Weight loss
  • Weakness 
  • Green urates
  • Diarrhea
  • Ascites
  • Melena
  • Coagulopathy
  • Increased drinking
  • Increased urination
  • Darkening of feathers
  • Abnormal colored feathers
  • Low body temperature 
  • Lipemic blood
  • Feather picking along torso due to pain in the area
  • Dyspnea
  • Catatonic like state
  • Death 


Liver disease can be classified into three different conditions: decreased hepatic function, cholestasis, and hepatocellular rupture.  Any of these three can occur separately or together.  Hepatocellular rupture involves the release of intracellular enzymes leading to elevated levels in the blood.  Decreased liver function can occur at any time and does not have to be associated with hepatocellular rupture.  The veterinarian will need to perform a liver function test in order to determine functionality.  Cholestasis occurs when the biliary system is partially or completely obstructed.

Causes of Liver Disease in Birds

Liver disease can be caused by numerous factors.  Liver disease can be from congenital abnormalities, trauma, parasites, toxins, infectious agents, neoplasia, and metabolic or nutritional disorders.  In many cases, the exact cause can be hard to determine due to how the liver disease progresses.

Diagnosis of Liver Disease in Birds

There are no specific liver enzymes that elevate in every species of animal and in every single case.  In cases of decreased liver function, the veterinarian will need to perform a bile acids test to check the status of the liver.  If levels are elevated, this indicates a decrease in liver function.  Levels of total protein, especially albumin, will also need to be checked because a decreased level can be indicative of decreased liver function.  There are specific blood and serum tests she can perform to get these values.  However, she may also want to perform a full chemistry panel and complete blood count (CBC) in order to check all of his organ values and check for any indication of parasitic infection.

The veterinarian may also choose to utilize imaging for her diagnosis.  A radiograph can show her if the liver is enlarged and if there is anything else abnormal regarding its overall appearance.  If she needs or wants a more detailed view, she may suggest an ultrasound.  An ultrasound can give a more detailed image than a radiograph and show where the liver is damaged and possibly the degree of the damage.

Treatment of Liver Disease in Birds

Since the liver is able to regenerate itself when the structure is intact, treatment will involve keeping the liver stable and strong.  The veterinarian will want to stabilize hepatocyte cell membranes and minimize fibrosis in order to have a positive effect on the liver.  There are medications the veterinarian may recommend administering to your bird in addition to natural supplements and therapies, such as milk thistle.  

Not only will the veterinarian need to treat the liver disease, she also needs to treat the underlying cause of the condition.  She can offer your bird supportive treatments in order to keep him comfortable while the veterinarian also treats for the specific condition.  For example, if a parasitic infection is causing the liver disease, she will want to treat that in addition to the therapies he currently needs.  Also, you will need to provide your bird with an environment that is favorable to liver regeneration.  

Depending on your bird’s symptoms, your veterinarian may need to provide pain medications, fluid therapy, warmth, assisted feeding, oxygen therapy and even blood transfusions.

Recovery of Liver Disease in Birds

If you are able to catch the liver disease early and the structure of the liver is still intact, prognosis of recovery is good.  The liver’s ability to regenerate itself is very helpful in regards to liver disease.  If the structure is abnormal, the liver may not have the ability to regenerate and therefore changes the prognosis from good to guarded.

If you suspect your bird is ill, take him to his veterinarian.  You as the owner know your bird and his personality better than anyone.  Even if he just seems ‘off’, it is better to take him in for an evaluation as soon as you are able to.  You do not want the liver disease to progress to a level from which it cannot return.

Liver Disease Questions and Advice from Veterinary Professionals

African Grey
3 Years
Fair condition
1 found helpful
Fair condition

Has Symptoms

Picking on stomach feathers

On 22 Dec my African Grey ate possibly a tablet of Tylenol or mucinex(more likely mucinex)
Next day noticed he is lethargic ,not eating and not like himself.Next day found some powder from the tablet on the floor.Couldn’t find any avian vet during Christmas.Was advised to buy Aloe Detox .For the last 3 weeks giving him aloe detox,but he is still different ,he eats by himself ,drinks ,swings ,doesn’t make any noises,and does’t bite haha like before.What should I do .

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fan tail dove
One Year
Serious condition
1 found helpful
Serious condition

Has Symptoms

listless, yellowing feathers

I started my Fan tail dove loft at my home here in Indonesia nearly three weeks ago and the two pairs of white doves have been settling in before free flying. About four days ago I noticed that the older female was becoming less active and roosting a lot. But now her tail feathers have taken on a yellowish hue and she is staying on the ground, near food and water, but displaying no energy. I have no veterinary facilities here and would appreciate any help and advice to try and assist her situation.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
3320 Recommendations
Any changes in feather colour or condition is an indicator of internal health, however it is difficult to say what the specific cause of this change is; liver disease, nutritional disorders, poisoning among other causes may lead to these changes. I would recommend that you contact a veterinary school in your country as they will know local diseases etc… which commonly affect birds. Regards Dr Callum Turner DVM

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