Flystrike in Chickens: Causes, Symptoms & Treatment

Chicken with signs of flystrike standing on grass

Also known as myiasis, flystrike is a serious condition chickens can get when flies lay eggs on their skin. These eggs hatch into maggots, which then feed on the chicken’s tissue.

This can happen really fast, often without much warning. The maggots can cause a lot of damage and pain as they burrow into the chicken’s skin. If it’s not treated quickly, it can lead to severe infection and even death.

Flystrike can target any part of a chicken’s body, but it often occurs near wounds or in areas soiled with feces. Thus, keeping chickens clean and taking care of any injuries right away is crucial in preventing this condition.

Signs and Symptoms of Flystrike in Chickens

Chicken with flystrike on feathers

If left unchecked, flystrike can cause severe pain in chickens and can even be deadly. Watch for these signs to catch it early and protect your flock:

  • Visible Maggots: One of the most obvious signs of flystrike is the presence of maggots. These small, white larvae can be seen in the affected areas, especially around wounds or dirty feathers.
  • Inflamed Skin: The affected skin may become red, swollen, or inflamed as a result of the maggots’ presence and their feeding on the chicken’s flesh. This change in skin color is often a clear sign of a flystrike.
  • Foul Smell: A noticeable foul odor is a telltale sign of a flystrike. The rotting flesh and secretions from the maggots emit a strong and unpleasant smell that can be smelled from a distance.
  • Excessive Preening: Chickens with flystrike may spend more time preening themselves, particularly in the affected areas. They may also fluff up their feathers repeatedly to cope with the discomfort.
  • Lethargy and Weakness: As the condition progresses, chickens affected by flystrike can become increasingly lethargic and weak. They may struggle to stand or move normally.

If you notice any of these symptoms, it’s important to act fast. Flystrike can spread quickly, so early detection and prompt action are essential to prevent serious harm to your chickens.

Causes of Flystrike in Chickens

Flystrike in chickens is mainly caused by flies laying eggs on them, which then leads to maggot infestation. This condition is especially common in warm weather, as flies are particularly active during these times.

The maggots usually hatch in dirty, moist environments, which makes cleanliness crucial. They are especially drawn to any cuts or sores on the chickens, as well as areas where they poop or pee.

If chickens have soiled feathers or live in unclean environments, they become prime targets for flystrike.

Furthermore, health problems like diarrhea can make things worse, as they create the kind of damp conditions that flies love.

During my early days of keeping chickens, I learned the hard way how diarrhea can really increase the chances of chickens getting flystrike.

To deal with this, I quickly changed up their diet, added probiotics, and started putting apple cider vinegar in their water.

These measures, combined with maintaining a clean coop, proved to be effective in preventing diarrhea and the subsequent risk of flystrike, especially during the summer.

How to Treat Flystrike in Chickens

Rooster with flystrike walking outdoors

When dealing with flystrike in chickens, there are some key steps you should take to treat it properly. Here’s what you need to do:

  1. Bathing the Chicken: Start by giving the chicken a bath with warm water and gentle soap. This helps clean the wound and can also drown many of the maggots.
  2. Maggot Removal: Next, you’ll need to remove all visible maggots. This part can be a bit unpleasant, but it’s crucial for the chicken’s recovery. Use tweezers, and make sure to check every little spot where maggots might hide.
  3. Cleaning the Wound: After removing the maggots, clean the wound with an antiseptic solution, such as Betadine or chlorhexidine. This step is important to prevent infection and further complications.
  4. Applying a Dressing: In some cases, applying a dressing to the wound is necessary. Products like silver sulfadiazine cream or aluminum bandage spray can be used for this purpose.
  5. Monitoring and Recovery: Keep the chicken in a clean, dry place while it heals. Watch the wound for any signs of infection or remaining maggots. If the situation doesn’t improve, contact a veterinarian as soon as possible.

Meanwhile, for a closer look at dealing with flystrike in chickens, check out this video:

Removing maggots from injured chicken is not easy.

Pro Tip: When treating flystrike in chickens, consider carefully removing the feathers around the wound. This makes it easier to treat the area and helps keep it clean, which can lead to faster and more effective healing.

How to Prevent Flystrike in Your Flock

As a chicken owner, it’s crucial to be proactive in preventing flystrike, as it can be a serious issue for your flock. Here’s what you can do to help prevent it:

  • Control the flies: To prevent flystrike, you’ve got to keep the flies away. Use fly traps or natural repellents like herbs and essential oils. Also, think about where you place your chicken coop; keep it away from stagnant water, and make sure it’s well-ventilated to discourage flies.
  • Keep the coop clean: A dirty coop can attract flies, which leads to flystrike. Stay on top of cleaning, like getting rid of any spoiled food or waste and regularly changing the bedding to keep the coop nice and tidy.
  • Check your chickens regularly: Regularly inspecting your chickens can help catch early signs of flystrike. Look for wounds, sores, or any signs of maggots. Early detection of these signs is essential.
  • Keep their vents clean and dry: The vent area is a common site for flystrike. Keep it clean and dry by checking and cleaning regularly, especially when it’s warm out.
  • Add probiotics to their food: Adding probiotics to your chickens’ feed can promote a healthy gut, which in turn can help prevent digestive issues that attract flies. This can be a simple yet effective way to reduce the risk of flystrike.

By doing these things, you’re making your chickens’ home less inviting to flies and helping keep them safe from flystrike. It’s all about keeping things clean and your chickens healthy!

Pro Tip: Sprinkle food-grade diatomaceous earth around your chicken coop and in your chickens’ favorite spots. This natural powder is excellent at controlling flies. It dries them out and stops them from breeding effectively.

This means fewer flies around your chickens and a lower chance of flystrike. For best results, apply it during dry weather conditions.

When to Seek Veterinary Help

Veterinarian examining chicken for flystrike

Knowing when to seek veterinary help for flystrike in chickens is crucial. If you see any maggots, especially in wounds or around the vent area, it’s time to get professional help.

Flystrike can get bad really fast, so the sooner a vet can treat it, the better the chances of recovery. Also, if you see signs of infection, like swelling, redness, or a bad smell, don’t wait. These are indicators that the situation is serious.

Even if you’ve started treating at home, if the chicken doesn’t improve quickly or seems in pain, get veterinary help. A vet can provide necessary treatments like surgical removal of maggots, antibiotics, and pain management.

Remember, flystrike can be life-threatening, so getting your chicken to a vet fast can make all the difference.

Frequently Asked Questions

Chicken with flystrike lying down

How Common Is Flystrike in Chickens?

Flystrike in chickens isn’t extremely common, but it’s still something to watch out for, especially in warmer climates where flies are more active.

It’s more common in animals like sheep, but chickens can still be affected, especially if they’re not kept clean or have any open wounds.

Is Flystrike in Chickens Contagious?

No, flystrike in chickens isn’t something that spreads from one chicken to another. However, if one chicken gets it because of poor coop cleanliness, the others might also be at risk.

So, while the condition itself isn’t contagious, the risk factors can affect multiple chickens.

How Long Does Flystrike Take to Kill a Chicken?

Flystrike can be deadly for chickens very quickly, usually in about 24 to 48 hours. This rapid progression is due to the fast hatching of fly eggs, which can happen in just 8 to 12 hours.

Once hatched, the maggots start eating the chicken’s flesh right away. This makes it crucial to treat flystrike as an emergency, as the condition can escalate from painful to fatal in a very short time.

Scientific References

Anstead, Clare A., et al. The Battle Against Flystrike – Past Research and New Prospects Through Genomics Advances in Parasitology (2017)

Islam, M. S., Rahman, M. M. Diatomaceous Earth-Induced Alterations in the Reproductive Attributes in the Housefly Musca domestica L. (Diptera: Muscidae). Elixir Applied Zoology (2016)

M Hall, R Wall Myiasis of humans and domestic animals Advances in Parasitology (1995)

Pawaiya, R. S Special Issue: Approaches in diagnosis and management of diseases of livestock and poultry. Advances in Animal and Veterinary Sciences (2014)


If you have any additional questions or experiences regarding flystrike in chickens that you would like to share, please feel free to leave a comment below – we value your insights and are here to help with any further information.

Leave a Comment

You may also like