Understanding Worms infestation in Layers and Broilers

Worm infestation is a common problem in poultry farming, affecting both layers and broilers. These internal parasites can cause a range of health issues and decrease the overall productivity and profitability of the flock. In this article, we will explore the prevention and treatment of worms in layers and broilers, providing valuable insights into maintaining a healthy and profitable poultry flock.


As a poultry farmer, it is crucial to be aware of the risks associated with worm infestation in layers and broilers. Worms, also known as internal parasites, can compromise the health and welfare of the birds, leading to reduced egg production, poor weight gain, and even mortality in severe cases. Understanding the types of worms that affect poultry, their lifecycle, and the appropriate preventive and treatment measures is essential to safeguard the flock’s well-being and optimize productivity.

Types of worms affecting layers and broilers

There are several types of worms that commonly affect poultry birds, including roundworms, tapeworms, cecal worms, and capillary worms. Each type of worm has a different impact on the birds and requires specific treatment strategies. Understanding the characteristics of these worms is crucial for effective prevention and treatment.

Lifecycle and transmission of poultry worms

To effectively control and treat worms in poultry, it is important to understand their lifecycle and how they are transmitted. Worms have complex lifecycles involving egg stages, larval stages, and adult stages. The eggs are usually passed in the feces of infected birds and can contaminate the environment. Birds become infected by ingesting these eggs or consuming intermediate hosts, such as insects or earthworms, which serve as carriers for the parasites.

Signs and Symptoms of Worm Infestation

Identifying the signs and symptoms of worm infestation in poultry is crucial for timely intervention. While some symptoms may be specific to certain types of worms, there are common behavioral changes and physical symptoms that indicate a possible worm infestation.

Behavioral changes

Worm-infested birds may exhibit reduced activity, decreased appetite, and a decline in egg production. They may also appear lethargic, exhibit abnormal feather pecking, or show signs of irritability. Additionally, birds with severe infestations may experience weight loss, poor feather quality, and overall weakness.

Physical symptoms of worm infestation

Physical symptoms of worm infestation in layers and broilers can include pale combs and wattles, diarrhea, dehydration, and a potbellied appearance. Affected birds may also show signs of anemia, such as pale mucous membranes, and may pass worms or worm segments in their feces.

Preventive Measures

Prevention plays a crucial role in controlling worm infestation in poultry. Implementing the following preventive measures can significantly reduce the risk of worm infestation and minimize the need for extensive treatment.

Hygiene and sanitation practices

Maintaining proper hygiene and sanitation in the poultry house is essential for preventing worm infestations. Regularly cleaning and disinfecting the housing area, removing feces and bedding, and ensuring adequate ventilation can create an unfavorable environment for worms to thrive.

Regular deworming protocols

Establishing a regular deworming schedule is critical to prevent and control worm infestations. Deworming medications should be administered according to the recommended dosage and frequency, taking into consideration the age, weight, and specific needs of the birds.


There are several deworming medications available in the market specifically designed for poultry. Some commonly used dewormers include fenbendazole, ivermectin, levamisole, and piperazine. These medications are available in various forms such as oral solutions, powders, or injectables. Choosing the right dewormer depends on factors such as the type of worms present and the age of the birds. It is always better to take advice from a veterinarian for treatment of worm infested birds.

Management Practices for Worm Prevention

In addition to deworming and preventive measures, implementing good management practices can contribute to effective worm prevention in layers and broilers.

Proper housing and ventilation

Providing clean and well-ventilated housing for the birds is essential. Well-designed poultry houses with adequate space, proper flooring, and appropriate ventilation systems help minimize the risk of worm infestations. Regular cleaning and disinfection of the housing area, including the removal of wet bedding and droppings, can help create an unfavorable environment for worms to thrive.

Nutrition and feeding strategies

Proper nutrition plays a crucial role in maintaining a healthy immune system and intestinal health in poultry. Providing a balanced diet that meets the nutritional requirements of layers and broilers is essential for their overall well-being and resistance to worms. Consultation with a poultry nutritionist can help formulate appropriate feed rations and ensure optimal nutrition for the flock.

Pasture rotation and biosecurity measures

Implementing pasture rotation practices can help break the worm lifecycle and reduce the risk of reinfestation. Allowing the land to rest and recover after grazing and avoiding overcrowding can minimize exposure to worm larvae. Additionally, maintaining strict biosecurity measures, such as restricting access to external visitors and vehicles, can prevent the introduction of worms into the poultry farm.

Monitoring and Regular Testing

Regular monitoring and testing are essential for timely detection of worm infestations and to evaluate the effectiveness of preventive measures. Fecal examination and diagnostic tests can be conducted to identify the presence of worm eggs or larvae in the birds’ feces. The frequency of testing may vary depending on factors such as the prevalence of worms in the area and the flock’s history of infestation.

Integrated Pest Management

Integrated Pest Management (IPM) strategies can be employed to control external parasites that can contribute to worm infestations in poultry. Implementing measures to control pests like mites, lice, and flies can help minimize the risk of worm transmission. Regular inspection of birds and housing, along with appropriate pest control methods, can aid in reducing the overall parasite burden on the flock.


By implementing appropriate preventive measures, regular deworming protocols, and treating the birds when necessary, farmers can effectively control worms and minimize their impact. Good management practices, monitoring, and integrated pest management further contribute to a comprehensive approach to worm prevention in poultry farming.

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