8 Common Types of Worms In Chickens

Pests & Diseases
By Ella Brown

Chickens, like other poultry, are susceptible to various types of worms that can affect their health and productivity. Understanding the common types, how to detect them, and their treatment methods is crucial for any poultry keeper.

In this guide, we explore the most common worms found in chickens, their prevention, detection, and treatment strategies. By maintaining a healthy environment and being vigilant, you can ensure your chickens remain healthy and productive.

1. Roundworms

© Backyard Poultry –

Roundworms are one of the most common parasites affecting chickens. These worms reside in the intestines, where they compete with the chicken for nutrients. Chickens infected with roundworms may show signs of weight loss, reduced egg production, and diarrhea.

Preventing roundworms involves regular cleaning of the chicken coop and providing clean water and feed. Worming treatments are effective and should be administered as per veterinarian advice.

Monitoring your chickens for symptoms can help in early detection and treatment, ensuring your flock remains healthy and productive.

2. Tapeworms

© Poultry DVM

Tapeworms in chickens are less common but still a concern. These parasites attach themselves to the intestinal walls and absorb nutrients directly from the host. Chickens may appear lethargic and lose weight when infected with tapeworms.

To prevent tapeworm infections, maintain cleanliness by regularly removing droppings and debris from the coop. Consult a vet for appropriate deworming medication.

Keeping an eye on your birds’ behavior can lead to prompt treatment, preventing the spread of tapeworms and ensuring healthy chickens.

3. Capillaria Worms

© Ridgeway Research

Capillaria worms, or hairworms, are tiny parasites that pose a threat to chickens. They can affect the crop, esophagus, or intestines. Infested chickens often exhibit droopy feathers, pale combs, and decreased egg production.

Preventive measures include maintaining a clean environment and rotating pastures. Regular vet check-ups for fecal tests can help detect these parasites early.

Administering prescribed wormers can effectively manage and treat capillaria infections, safeguarding your chickens’ well-being.

4. Gape Worms

© iNaturalist

Gape worms inhabit the trachea and can cause respiratory distress in chickens. Infected birds often exhibit a gaping posture as they struggle to breathe. Young chickens are more susceptible to this type of worm.

To prevent gape worms, ensure clean and dry bedding, and minimize exposure to wild birds. Regular deworming is crucial in affected areas.

Early detection and treatment with specific wormers can relieve symptoms and prevent severe respiratory issues, keeping your flock healthy.

5. Cecal Worms

© poultrydvm

Cecal worms primarily inhabit the ceca, which are pouches in the chicken’s intestinal tract. While they rarely cause direct harm, they can carry blackhead disease, which is detrimental to turkeys and sometimes chickens.

Prevention includes maintaining a clean living environment and using worming products recommended by a vet. Observing changes in droppings can aid early detection.

Routine fecal checks and timely treatment are important to prevent the spread of cecal worms and ensure the health of your flock.

6. Eye Worms

© The Good Life Backyard

Eye worms are parasitic nematodes that inhabit the eyes of chickens, causing irritation and swelling. Infected birds may scratch at their eyes and show signs of discomfort.

To prevent eye worm infections, control fly populations which act as vectors. Maintain coop cleanliness and consult a veterinarian for suitable treatment options.

Timely intervention can relieve symptoms and prevent further spread, ensuring your chickens’ eyes remain healthy and irritation-free.

7. Threadworms

© EquiManagement

Threadworms, also known as strongyles, affect the digestive system of chickens. They can lead to poor nutrient absorption, resulting in dull feathers and a generally poor condition.

Preventive measures include proper sanitation and regular worming schedules. Monitoring chickens for changes in feather condition can help in early detection.

Consulting with a vet for appropriate deworming medications can effectively treat and manage threadworm infections, promoting better health and vitality in your flock.

9. Wireworms

© Laidback Gardener

Wireworms are soil-dwelling larvae that can affect chickens indirectly by damaging crops. Chickens may ingest these worms while foraging, leading to digestive issues.

To prevent wireworm problems, manage soil health and control their population through crop rotations. Regular observation of foraging behavior can help in early detection.

Ensuring chickens have a balanced diet can mitigate the impact of wireworm ingestion, promoting overall health.