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Knowing how to identify a poultry lice infestation is vital if you want to keep your backyard chickens healthy and stress-free. Conducting regular inspections is a great start, but you should also learn the signs of a lice problem so you can address parasites as quickly as possible.
Keep reading to learn how to inspect a bird for lice, and then check out our list of the most common infestation symptoms so you can stop a problem in its tracks and maintain your chickens’ health.
How to Detect Chicken Lice
Inspecting for poultry lice is a bit like looking for human head lice — you need to conduct your search in good lighting and be thorough. Here’s how you do it:
- Grab a head lamp (this one is a great option) and maybe a buddy to make the job easier.
- Have your helper hold the chicken with its backside facing you.
- Locate the bird’s vent, and carefully part the feathers in this area to look for scattering lice.
- If you don’t see lice, investigate the feather shafts to see if lice eggs are present.
- Also check the chicken’s back and breast for the same signs.
- If you see any lice or their eggs, you’ll need to proceed to treatment.
- Note: There’s no need to check the entire flock if you notice an infestation. It’s easier and safer to treat all your fowl at the same time rather than try to pick out those chickens who may be infested.
- If you don’t see any signs of lice, mark your calendar to check again in two to four weeks.
Inspecting your chickens regularly is one of the most sufficient preventative measures against chicken lice. When you take the time once or twice a month to look for lice and their eggs, you can keep a minor problem from becoming serious.
(By the way: Don’t worry about contracting chicken lice during your inspection. These external parasites don’t bite humans and don’t want to live on you.)
Signs and Symptoms of Poultry Lice
Poultry lice are common external parasites, but that doesn’t mean you should ignore them.
Learning the symptoms of a lice infestation can help you get the problem under control before it causes serious issues for your backyard chickens.
Excessive Scratching and Preening
One of the first signs of a lice infestation is excessive scratching and preening. This occurs because the movement and feeding of the lice cause intense itching — imagine thousands of creepy crawlies on your body, and you’ll understand how a chicken feels!
Dull and Damaged Feathers
Dull and damaged feathers are a result of a bird pecking and preening in an effort to rid themselves of lice and relieve the intense itchy that comes with them.
Loss of Feathers
Heavy lice infestations can cause such itching that a hen can’t control her preening; this will eventually lead to feather loss as she damages her own skin and pulls out her feathers.
Redness of the Poultry Skin
Redness is another side effect of severe itching. It occurs when fowl damage their skin while excessively scratching and preening.
Pale Comb and Wattle
As the infestation worsens, your fowl can develop anemia from blood loss — this causes a chicken’s normally bright red comb and wattle to go pale.
Typically, poultry lice feed on a bird’s dead skin, feather quill casings, and other debris. However, they will also feed on your chickens’ blood if a hen’s quills or skin are compromised, which is likely to occur with too much pecking and preening.
Decreased Egg Laying
Chickens are extremely sensitive to stress, so it’s not unusual that the discomfort from having lice can cause a slow down in egg production in laying hens. This generally happens when the parasite infestation is severe.
Visible Lice on the Bird
Lice are very small, but these external parasites are not invisible. This means that if you conduct a thorough examination, you can spot them on your chickens’ feathers and skin.
Lice are flat insects that range in color from beige to dark brown, and while they may be more apparent on a light-colored bird’s feathers, you should also be able to see adult lice scatter on the skin as you investigate.
Lice Eggs on Feathers
Even if you can’t see the lice, you should be able to see their eggs at the base of your birds’ feathers.
Eggs typically appear in clumps attached to feather shafts and are a white-to-grey color. Unhatched eggs may glisten a bit when exposed to light, while hatched and hatching eggs will look more flat.
RELATED READING: How Much Does It Cost to Keep Chickens?
FAQs About How to Identify Poultry Lice
Poultry most often contract lice when they come in contact with wild birds and their nesting places.
When chickens spend time in the same places as wild birds, lice simply hitch a ride on your hen and then quickly infest the rest of the flock
The most common signs that your hens may be infected with lice include:
- Excessive preening
- Damaged feathers
- Redness of the skin
- Decreased egg production
- Visible lice and eggs
There are several types of commercially available products that you can use to treat poultry lice, including pyrethrin, ivermectin, and sevin dust.
Note that treating birds with these types of chemicals may render their eggs unsafe to consume for a period of time. There are many effective, natural treatments for poultry lice that are better and safer.
Natural lice treatments include dusting chickens with food-grade diatomaceous earth and adding diatomaceous earth to their dust bath. These treatments are safe both for the birds and yourself. Diatomaceous earth is a fine powder that dehydrates lice when it comes in contact with their bodies. Adding it to a dust bath allows your birds to clean their feathers naturally.
You can also treat your chicken coop with diatomaceous earth by applying it to all surfaces, including underneath roosts and in nest boxes.
The most effective lice control measures include:
- Frequent flock inspections — Allows you to stay ahead of infestations before they worsen
- Cleaning the entire coop — Do this regularly to keep lice at bay
- Offering plenty of dust baths — Lets fowl clean their feathers naturally
- Not trimming a chicken’s beak — Allows the bird to groom itself and control lice naturally
- Quarantining new birds — Isolate new arrivals and inspect them carefully before introducing them to the flock
