Diseases

Silhouette of a sick chicken in a bed, next to a table with a medical container on it, and a chicken dressed as a doctor

Spotting and Managing Poultry Health Issues

Learn the basics of spotting and managing poultry diseases. Understand how to recognize illness, what steps to take, and how to protect your birds.

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Common Poultry Diseases

Get familiar with diseases that commonly affect chickens, including Marek’s disease, Avian Influenza, Mycoplasma, and more.

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How Diseases Spread

Understand how germs are transmitted and how your actions can reduce the risk of disease spreading between birds or flocks.

Silhouette icon of a dark brown chicken with Marek's Disease

Signs of Disease

Learn the early signs of illness in your flock, such as changes in behavior, appetite, droppings, egg-laying, or feather condition. 

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Prevention and Treatment

Protect your flock by following good biosecurity practices, vaccinating when needed, and working with a veterinarian for effective treatment.

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What to Do If Your Birds are Ill

Find out what to do when you notice a sick bird: isolate it, monitor the flock, clean and disinfect, and know when to report serious illness. 

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Respond to Disease Issues

Some diseases spread quickly or are hard to manage at home. Contact a veterinarian, extension, or your state animal health official for support.

Disease Resources

Find resources to help you recognize, prevent, and manage poultry diseases. Click below for guides that provide information to help keep your flock healthy.