
Respiratory infections are a common illness in chickens that can have severe consequences for the bird's health and productivity. The illness can be bacterial, viral, fungal, or parasitic in nature, and it is important to distinguish between these causes as they require different treatments. Common symptoms of respiratory infections in chickens include sneezing, coughing, wheezing, nasal discharge, swollen sinuses, and low activity. Treatment for respiratory infections in chickens includes early intervention, where antibiotics are often used to provide rapid relief.
| Characteristics | Values |
|---|---|
| Symptoms | Coughing, sneezing, wheezing, difficulty breathing, nasal discharge, swollen sinuses, watery eyes, low activity/mobility, decreased egg production |
| Causes | Viral, bacterial, fungal, parasitic infections |
| Treatment | Veterinary advice should be sought immediately. Antibiotics are commonly used to treat bacterial infections and can be very effective when the disease is caught early. Antivirals and antifungals may also be prescribed. |
| Prevention | Regular coop inspection, good ventilation, temperature control, balanced diet, supplements, vaccination, quarantine for new chickens |
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What You'll Learn

Common symptoms of respiratory infections in chickens
Respiratory infections are one of the most commonly observed ailments in chickens. They can be caused by viruses, bacteria, parasites, or fungi, and can affect the upper or lower respiratory tract. Chicken Respiratory Disease (CRD) is one of the most common respiratory infections in chickens, caused by the bacteria Mycoplasma gallisepticum.
- Coughing, sneezing, and rattling sounds from the throat. These sounds may be most noticeable in older birds at night while they are roosting.
- Nasal discharge, which may be foul-smelling and watery.
- Watery, sticky, or weepy eyes, sometimes with slight swelling.
- Difficulty breathing, such as gasping or a distinctive "pump-handle" breathing motion.
- Bubbling eyes and swollen sinuses.
- Lethargy and decreased appetite.
- Exercise intolerance: the bird tires quickly with minimal exercise.
It is important to note that respiratory illnesses in chickens can be dangerous and require prompt treatment. If you suspect your chicken may have a respiratory infection, it is crucial to seek veterinary advice for proper diagnosis and treatment.
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How to identify a respiratory infection
Respiratory infections are common in chickens and can be caused by viruses, bacteria, parasites, or fungi. The type and severity of the infection depend on the cause, the length of time of the infection, and the chicken's immune status. It is important to identify and treat respiratory infections early to prevent them from spreading throughout your flock.
- Rales or Crackles: Rales, also known as crackles, are the sounds of poor breathing. Listen for unusual breathing sounds, such as crackling caused by fluids in the chicken's respiratory system.
- Gasping: Gasping is a noticeable behaviour where chickens stretch their necks and crane their heads up to open their trachea and breathe better. This often accompanies rales and is a severe symptom, indicating an advanced respiratory infection or airway obstruction.
- Nasal and Eye Discharge: Look for clear, bubbling fluid near the corners of the eyes or fluid oozing from the nostrils. Discharge from the eyes may also be sticky or watery.
- Facial Swelling: Observe any swelling of the face, around the eyes, or the wattles (fleshy growths on the head and neck). Facial swelling can be a sign of respiratory infection, but it can also indicate other diseases, so consider it in combination with other symptoms.
- Cyanosis: Cyanosis is a bluish or purple discolouration of the skin, particularly on the face, comb, and wattles, which are areas rich in blood vessels. This discolouration indicates a lack of oxygen in the blood, which can be a sign of respiratory distress.
- Conjunctivitis: Swelling and irritation of the tissue around the eye, known as conjunctivitis, is another visible symptom. Advanced conjunctivitis can cause blindness in the affected eye.
- Respiratory Noise: Listen for respiratory noises such as coughing, wheezing, or congested breathing sounds. A congested or rattling sound when they breathe could indicate respiratory illness.
- Open-Beak Breathing: Healthy chickens typically breathe through their closed beaks. If a chicken is breathing with its beak open, it may be a sign of illness or stress.
- Sneezing: While occasional sneezing is normal, persistent sneezing in combination with other symptoms may indicate a respiratory infection.
- Other Behavioural Changes: Listlessness, lethargy, diarrhoea, abnormal behaviours, and decreased egg production can also be indicative of a respiratory infection or overall ill health.
If you suspect that your chicken has a respiratory infection, it is important to consult a veterinarian, preferably one specialised in poultry or avian care. They can provide a correct diagnosis and prescribe appropriate treatment. Early intervention is crucial to effectively treating respiratory infections and preventing their spread within your flock.
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Treatments for bacterial infections
Respiratory infections in chickens can be caused by viruses, bacteria, parasites, or fungi. It is important to distinguish between these causes, as they require different treatments.
If a chicken is displaying symptoms of a respiratory infection, such as coughing, sneezing, wheezing, or difficulty breathing, it is important to consult a veterinarian immediately. The vet will be able to diagnose the specific cause of the infection and prescribe the appropriate treatment.
For bacterial infections, antibiotics are the preferred treatment option. Antibiotics can cure the infection quickly, especially when administered at the onset of the disease. Examples of antibiotics that can be used include erythromycin eye ointment and Respifit by Refit Animal Care. Along with antibiotics, it is important to provide proper ventilation, maintain temperature control, and regularly offer electrolyte solutions to aid in the chicken's recovery.
In addition to medical treatment, good nursing care is beneficial for sick chickens. This includes providing a balanced diet with feed supplements rich in vitamins, minerals, and antioxidants to strengthen the chicken's immune system and overall health.
It is important to note that respiratory illnesses can be dangerous in chickens, and early intervention is crucial as recovery is rare without treatment. Proper coop management and preventative care are also important to reduce the risk of reinfection and protect the rest of the flock.
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Treatments for viral infections
Respiratory infections in chickens can be caused by viruses, bacteria, parasites, or fungi. As viral and bacterial infections require different treatments, it is crucial to distinguish between them.
Infectious bronchitis, caused by a strain of coronavirus, is the most contagious respiratory disease in chickens. It typically begins suddenly and spreads quickly throughout the flock. There is no cure for this viral infection, but a vaccine is available. However, it only provides protection against specific strains, and new strains continue to emerge. The most effective way to control the disease is to remove the infected chickens, thoroughly clean and disinfect the area, and start again.
Infectious coryza is another common respiratory disease in chickens, caused by the bacterium Haemophilus paragallinarum. It is challenging to identify because it shares symptoms with other respiratory conditions and often occurs alongside them. The primary signs of coryza include foul-smelling nasal discharge, watery, sticky eyes, and facial swelling.
If your chicken is displaying symptoms of a respiratory infection, it is important to consult a veterinarian immediately and follow their guidance. They may prescribe a combination of antibiotics, antiviral, or antifungal medications. Antibiotics are commonly used to treat bacterial respiratory infections in chickens and can provide rapid relief, especially if the disease is caught early.
In addition to medical treatment, good nursing care is essential for sick chickens. This includes proper ventilation, temperature control, and regular feeding of electrolyte solutions to maintain body fluids.
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Preventing respiratory infections
Respiratory infections are common in birds and can be caused by viruses, bacteria, parasites, or fungi. To prevent respiratory infections in chickens, it is important to take preventive measures and maintain good hygiene.
Firstly, limit human entry into the chicken area to reduce the risk of introducing harmful pathogens. Use foot dips and disinfectant to prevent the spread of disease from shoes or equipment. Quarantine new chickens before introducing them to your main flock to ensure they are not carrying any infections.
Secondly, maintain proper ventilation in the coop and avoid overcrowding to minimise stress on your flock. Keep the coop clean and free of droppings, providing fresh water at all times. Ensure a balanced diet, including feed supplements rich in vitamins, minerals, and antioxidants, to support your chickens' immune systems.
Additionally, control mites, mosquitoes, and vermin as they can spread certain viruses. Annual vaccinations are recommended, especially for exhibition chickens. Keep waterfowl and chickens separate, and separate feed from wild birds to minimise the risk of disease transmission. Finally, change clothes and wash boots before and after visiting other breeders or exhibitions to prevent the spread of infections.
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Frequently asked questions
Some common symptoms of respiratory infections in chickens include sneezing, coughing, wheezing, nasal discharge, swollen sinuses, and low activity/mobility. If a chicken is breathing with its beak open, it may be sick or experiencing stress.
Consult a veterinarian immediately and follow their guidance.
Once the specific cause of the infection—whether bacterial, viral, or fungal—is identified, your vet will prescribe the appropriate treatment. Antibiotics are commonly used to treat bacterial respiratory infections in chickens, as they can provide rapid relief, especially if the disease is caught early.
Regularly provide vaccination doses to your chickens as prescribed by your local veterinarian. Infections can also be prevented by minimising stress caused by inadequate ventilation, overcrowding, and temperature fluctuations. Provide a balanced diet along with feed supplements recommended for chickens, which are rich in vitamins, minerals, and antioxidants.
Respifit by Refit Animal Care is a respiratory tonic for coughs in poultry. This respiratory supplement comes in liquid form and is loaded with high-quality vitamins and minerals.


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