10 Common Chicken Diseases and How to Treat Them in Your Backyard Flock

Backyard Farming and Livestock Care
By Aria Moore

Raising backyard chickens can be a rewarding experience, offering a fresh supply of eggs and an engaging hobby. However, like any pets, chickens are susceptible to various diseases that can affect their health and productivity.

Understanding these common diseases and knowing how to treat them is essential for any backyard chicken keeper.

In this blog post, we’ll explore ten of the most common diseases that backyard chickens face and provide practical advice on how to handle each situation. By being informed, you can ensure a healthy and thriving flock in your backyard.

1. Avian Influenza

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Avian Influenza, also known as bird flu, is a highly contagious viral disease. It affects the respiratory, digestive, and nervous systems of chickens. Symptoms can include nasal discharge, coughing, sneezing, and decreased egg production.

To prevent this disease, maintain strict biosecurity measures. Separate new or sick birds from the flock. If an outbreak occurs, it’s crucial to contact local veterinary authorities immediately.

Vaccination is available in some regions, so consult with a vet to see if it’s right for your flock. Regular health checks can help catch early signs and prevent spread.

2. Marek’s Disease

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Marek’s Disease is a viral illness that primarily affects young chickens. It is characterized by paralysis, often of the legs, wings, or neck. The virus spreads through feather dander, dust, and droppings.

Vaccination is the most effective prevention method, typically administered to chicks shortly after hatching. If a bird is infected, there is no cure, but supportive care can improve its quality of life.

Isolate affected birds to minimize transmission. Keeping the coop clean and dry can also help. Regular flock monitoring is key to catching the disease early and managing its impact.

3. Coccidiosis

© Happy Morning Farm

Coccidiosis is caused by a parasite that affects the intestine of chickens. Symptoms include diarrhea, weight loss, and decreased growth in young birds. Good hygiene and keeping coops clean can prevent its occurrence.

Medicated feed is available for prevention. If your chickens contract coccidiosis, seek a vet’s advice for treatment options like anticoccidial medications. Ensure that water is clean and fresh to avoid further complications.

Regular fecal checks can help detect early symptoms. By maintaining a clean environment, you can minimize the risk and ensure your chickens stay healthy.

4. Newcastle Disease

© Poultry DVM

Newcastle Disease is a contagious viral infection affecting a chicken’s respiratory, nervous, and digestive systems. Symptoms include coughing, sneezing, greenish diarrhea, and nervous signs like tremors or twisted necks.

To prevent, adhere to strong biosecurity measures and vaccinate your flock. In case of an outbreak, notify veterinary authorities as it is a reportable disease. Isolate affected birds to prevent spread.

There are no specific treatments, but supportive care may relieve symptoms. Maintaining a clean coop and avoiding contact with wild birds can help keep your flock healthy.

5. Infectious Bronchitis

© SDSU Extension – South Dakota State University

Infectious Bronchitis is a viral disease affecting a chicken’s respiratory tract. Symptoms include coughing, sneezing, and watery eyes. The disease can spread rapidly, especially in crowded conditions.

Vaccination is available and is the best preventive measure. If an outbreak occurs, provide supportive care, such as ensuring the chickens stay warm and hydrated. Maintain good ventilation and cleanliness in the coop.

Biosecurity practices, like limiting visitor access and equipment sharing, can prevent introduction. Watch for early signs, and consult a vet for guidance on managing an outbreak effectively.

6. Fowl Cholera

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Fowl Cholera is a bacterial infection caused by Pasteurella multocida, affecting chickens of all ages. Symptoms include swollen wattles, nasal discharge, and greenish diarrhea. It spreads through contaminated water, food, or contact with wild birds.

Vaccination can help prevent it, and maintaining a clean environment is crucial. Antibiotics may be prescribed by a vet for treatment. If you suspect fowl cholera, isolate affected birds immediately. Quick action can prevent a full outbreak.

Regular health inspections and clean water supplies are key to minimizing risk and ensuring flock health.

7. Bumblefoot

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Bumblefoot is a bacterial infection that affects a chicken’s foot, often due to an injury. It presents as swelling, redness, and sometimes a hard spot on the bottom of the foot. Ensuring perches are smooth and clean can prevent injury.

If bumblefoot occurs, soak the foot in warm water and Epsom salts to relieve swelling. In severe cases, veterinary intervention may be necessary.

Keeping the coop clean and dry can help prevent infection. Regular checks of your chickens’ feet can catch early signs, preventing more serious complications.

8. Egg Binding

© Higher Oak Farm

Egg Binding occurs when a hen cannot pass an egg, posing a serious health risk. Symptoms include straining, lethargy, and a swollen abdomen. Immediate action is necessary to relieve the hen.

Provide a warm, moist area to help relax her muscles, and gently massage the abdomen. In severe cases, seek veterinary assistance. Ensuring hens have a balanced diet with adequate calcium can prevent egg binding.

Regular monitoring of egg laying habits can catch issues early. Maintaining a calm environment can also reduce stress-related binding. Prompt care is essential for the hen’s health.

9. Scaly Leg Mites

© My Pet Chicken

Scaly Leg Mites are parasites that burrow under the scales of a chicken’s legs, causing irritation. Symptoms include raised scales, thickened skin, and potential lameness. Treat immediately with petroleum jelly or specific mite treatments to suffocate the mites.

Keeping the coop clean and treating perches can prevent infestations. Regularly inspect your chickens for early signs of infestation. A healthy diet supports their immune system, aiding in prevention.

Consistent care and observation will help manage and eradicate these pests. Quick intervention is key to preventing discomfort and further complications.

10. Vent Gleet

© BackYard Chickens

Vent Gleet is a fungal infection affecting the vent area of chickens, causing inflammation and discharge. Symptoms include a messy, foul-smelling vent and decreased egg production.

Maintaining a clean and dry coop is essential for prevention. Treatment involves antifungal medications and thorough cleaning of the affected area. Providing a balanced diet and clean water supports recovery.

Regular inspection of the vent area can catch early signs. Keeping stress levels low, through proper handling and coop management, can also help. Prompt treatment ensures better outcomes and maintains overall flock health.