Jake Harper
A chicken's comb turning purple is usually indicative of an unhealthy bird. The purple colour is called cyanosis, which reflects poorly oxygenated blood. This can occur secondary to severe respiratory and cardiac disease. Chicken influenza and fowl cholera are common causes of cyanosis. A purple comb can also indicate circulation issues, a heart condition, or lung problems. In some cases, it may be a sign of frostbite. If you notice a chicken with a purple comb, it is best to isolate it from other chickens and take it to a veterinarian for treatment.
| Characteristics | Values |
|---|---|
| Colour | Purple |
| Health | Unhealthy |
| Cause | Cyanosis, respiratory infection, circulation problem, cardiac disease, lung problem, liver problem, or frostbite |
| Treatment | Antibiotics, anti-inflammatory drugs, surgery, fresh water, Pedialyte or Gatorade, warm bath, or topical ointment |
| Prevention | N/A |
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What You'll Learn
Cyanosis, a severe respiratory or cardiac disease
A chicken's comb turning purple is a sign of cyanosis, which reflects poorly oxygenated blood. This can be caused by severe respiratory and cardiac disease. Chicken influenza and fowl cholera (pasteurellosis) are common causes of cyanosis. While influenza is untreatable, fowl cholera can be treated with sulfa drugs and penicillins, although birds often relapse once these antibiotics are discontinued. Cyanosis can also be caused by a heart condition, although this is less likely in younger chickens.
Cyanosis is the change of tissue colour to a bluish-purple hue, resulting from a decrease in oxygen bound to the haemoglobin in the blood of the capillary bed. It is not a disease in itself, but a symptom of an underlying condition. It is important to seek medical attention if you observe cyanosis, especially if it is accompanied by symptoms such as difficulty breathing. Diagnosis and treatment depend on the underlying cause. Oxygen therapy is often one of the first treatments used to boost oxygen levels quickly.
Central cyanosis is a generalized bluish discolouration of the body and visible mucous membranes, caused by a decrease in arterial oxygen saturation. It is associated with cardiopulmonary conditions. Peripheral cyanosis occurs when there is an increased concentration of deoxygenated haemoglobin on the venous side of the peripheral circulation. This can be caused by congestive peripheral cyanosis, where blood flow slows down, or ischemic peripheral cyanosis, where vasoconstriction leads to diminished peripheral blood flow.
In chickens, a purple comb can indicate a circulation problem, lung problem, or heart problem. It may also indicate that the chicken is stressed, parasitically infested, molting, or has just laid an egg.
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Circulation problems
A purple chicken comb is indicative of a circulation problem. The chicken's comb contains a large number of blood vessels, which help the bird regulate its body temperature. When the weather is hot, blood circulates through the tiny capillaries inside the comb, cooling the chicken down.
The purple colour is called cyanosis, which reflects poorly oxygenated blood. This occurs secondary to severe respiratory and cardiac disease. Chicken influenza and fowl cholera (pasteurellosis) commonly cause cyanosis. A purple comb may also indicate a problem with the chicken's heart, lungs, or liver.
Other causes of a purple comb include dehydration, infection, or a respiratory issue. If the problem is due to dehydration, you can try giving your chicken Pedialyte or Gatorade to drink. If the issue is an infection, a warm bath can help loosen the crust on the comb, and a topical ointment like Neosporin can be used to treat the infection.
If you notice a chicken with a purple comb, it is best to isolate it from other chickens and take it to a veterinarian for treatment.
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Stress
A chicken's comb turning purple is indicative of stress and other health issues. While combs come in various shapes and sizes, and colours such as red, black, or purple, a change in comb colour can indicate a health problem.
A chicken's comb turning purple could be a sign that the bird is stressed. Chickens with large single combs tend to have combs that change colour when they are stressed, excited, or upset. This is similar to how a mood ring changes colour.
Other Health Issues
A purple comb could also indicate a more serious health issue. A chicken's comb may turn purple due to cyanosis, which reflects poorly oxygenated blood. This can be caused by severe respiratory and cardiac disease, influenza, or fowl cholera. A purple comb can also be a sign of circulation problems, lung problems, or a heart, liver, or respiratory issue. In addition, a chicken with a purple comb may be suffering from dehydration, an infection, or a disease such as coccidiosis.
If a chicken's comb turns purple, it is best to isolate the chicken and take it to a veterinarian for treatment.
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Respiratory infection
A purple chicken comb is often indicative of a respiratory infection. The purple colour is called cyanosis, which reflects poorly oxygenated blood. This can occur secondary to severe respiratory disease. Chicken influenza and fowl cholera (pasteurellosis) commonly cause cyanosis. Other signs of respiratory disease to look out for include sneezing, coughing, nasal discharge, and swelling of the head from distended sinuses. Respiratory infections can be treated with antibiotics from a vet.
A purple comb can also indicate other health issues. For example, it may signal a circulation problem or lung issue, suggesting the chicken is not getting enough oxygen. In some cases, it may indicate a problem with the heart or liver. A purple comb can also be a sign of a cold, with symptoms such as lethargy, loss of appetite, and a swollen comb. To improve respiratory health and help fight colds, you can rub VetRX on the chicken's nose, beak, and comb.
In addition, a purple comb may indicate other issues such as stress, parasitic infestation, molting, or egg-laying. Black spots on the comb may indicate dried blood from pecking, while brown, crusty spots could be caused by fowl pox. A dry, shrivelled, or flaky comb may also be an indicator of poor health.
If you notice a purple comb on your chicken, it is best to isolate the bird from other chickens and seek veterinary advice. A veterinarian will be able to determine the cause and prescribe appropriate treatment, which may include antibiotics or anti-inflammatory drugs, and in some cases, surgery.
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Dehydration
A purple chicken comb is indicative of dehydration or a lack of oxidation, meaning the blood is not being properly oxygenated. This could be a sign of a respiratory infection or a bad cold, or something more serious such as chicken influenza, fowl cholera, or a heart, lung or liver problem.
Chickens do not perspire, so they rely on their combs to regulate their body temperature. The comb contains a large number of blood vessels, helping the chicken to cool down by transferring heat from the body to the head. When the weather is hot, blood circulates through the tiny capillaries inside the comb, thus cooling the chicken down. When blood runs through the comb, heat is easily transferred to the outside air.
If your chicken has a purple comb, it is best to isolate it from other chickens and take it to a veterinarian for treatment. If this is not possible, ensure your chicken has plenty of fresh water to drink and is eating a balanced diet. You can also try giving your chicken an electrolyte drink such as Pedialyte or Gatorade. If the problem is caused by an infection, try giving your chicken a warm bath to help loosen any crust on the comb, and use a topical antibiotic ointment.
It is important to note that a chicken's comb colour can vary depending on age, laying status, climate, and stage of moult. Combs can be naturally red, black, or purple, and they come in all shapes and sizes. Some are erect, some are floppy, and some are barely visible. A pale comb is normal in young chickens, old chickens, or hens who are in the process of moulting. A pale comb in a hen that is laying and in good health could indicate mites, lice, worms, heat exhaustion, dehydration, or a disease like coccidiosis. A dry, shrivelled, or flaky comb may be an indicator of poor health.
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Frequently asked questions
A purple chicken comb is usually indicative of an unhealthy bird. It could mean that the chicken is stressed, or it could be a sign of a circulation problem, a respiratory issue, or a heart, lung, or liver problem.
Other signs of illness in chickens include lethargy, loss of appetite, and in some cases, swelling of the comb.
If your chicken has a purple comb, you should take it to a veterinarian for treatment. If you are unable to get to a vet, try to determine the underlying cause of the discolouration. You can give your chicken plenty of fresh water and ensure it is eating a balanced diet.
A healthy chicken comb is typically bright red, shiny, and fleshy. Pale combs may be a sign of anaemia in older hens, while black combs could indicate frostbite.
Yes, chicken combs can change colour based on age, laying status, climate, or stage of moult. Combs also come in a variety of natural colours, including red, black, and purple.
