Deworming Chickens: Do You Need To Worry About It?

Deworming Chickens- Do You Need To Worry About It
Most chickens have some worms, but it isn’t a problem until the chicken becomes overwhelmed with too many.  Then it can cause health issues, decreased laying, and even death.  🙁 Deworming chickens isn’t difficult, but the tricky part is deciding if your flock needs dewormed or not!

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Worms just occur naturally, but there are things you can do to discourage your flock from becoming overwhelmed with too many worms.

Chickens can get more worms by pecking at poop that has worm eggs or larvae in it.   If you pen your chickens in the same area, over time the total number of worms in that pen (and in your chickens!) will increase.

Unfortunately, pastured birds can get worms too.  Some species of worms must be eaten by insects such as beetles, earthworms, or grasshoppers.  Then the  chicken eats the bug out on the pasture and becomes infected.

Related articles on chicken wellness:

Kinds of worms that can affect your flock:

There are many species of worms that infect chickens.  Most of them can be separated into two groups, roundworms and flatworms.

Roundworms

The Large roundworm affects your birds small intestine and causes symptoms of pale head, droopiness, weight loss, and diarrhea.  Capillary worms are found in the chicken’s mouth, esophagus, crop, and small intestine, but they are too small to be seen without a magnifying glass.  Symptoms of infection also are pale head, droopiness, weakness, diarrhea.  The stomach worm causes anemia, emaciation, diarrhea.

Gapeworm is in the windpipe and respiratory system, which causes the chicken to gape for air, hence the name.  Other signs are yawning, gasping, sneezing, coughing, choking, head shaking, weakness, loss of appetite.

Crop worm is in the crop and esophagus and have signs of droopiness, weakness, lack of activity, smaller appetite.  They involve beetles and cockroaches.  Eye worm is in the corner of a chicken’s eye.  (Sounds AWFUL to me).  If your chicken has it, she will rub and scratch at her eye.  There will also be white cheesy material under the eyelids, and the chicken can even go blind.  Eye worm is carried by cockroaches.  Yuck!  (It is treated with three drops of ivermectin or levamilsole in the chicken’s eye until the worms are gone.)  Plus get rid of those bugs!

Cecal worm is the most common and it’s found in the ceca, which is part of the chickens digestive tract, and are two pouches off of the small intestine.  These can carry blackhead (a bigger problem for turkeys), but are otherwise not an issue.

Flatworms

Signs of tapeworms signs include stunted growth in young birds, as well as weight loss and decreased laying.  You can also see bits of worm segments in droppings when it gets really bad.  Chickens get these when they eat infected flies, ants, beetles, earthworms, slugs, snails, or termites.  Dewormers aren’t very effective on tapeworms, and so the best way to deal with them is to eliminate the hosts for the specific species that is causing problems.  The symptoms are decreased laying, emaciation, diarrhea, and lethargy.

Thorny-headed worm come from wild chickens and causes anemia and weakness.  Chickens can get infected when they eat pill bugs.  Infection is not an issue except for very young chicks.

Avoiding Medications If Possible

Controlling worms with medications is, in my opinion, a hopeless proposition.  The more you use chemical dewormers, the more they become resistant.  The best way to deal with worms is to encourage healthy chickens that resist infection.  Make sure they have good nutrition, especially vitamin A, B, and animal proteins.

Keep coops, runs, feeders, and waterers clean.  Rotate your birds on pasture if possible, and make sure not to keep too many birds in one area.  Warm, moist conditions in pens and coops can encourage the development of some infectious eggs.  Ventilation in the coop and keeping the ground dry is super important!

Related: 55 Best Chicken Coops For Practical People

It should also go without saying that if you have a bird that is particularly susceptible to getting worms.  DON’T keep its offspring.

Some vegetables can discourage worms from sticking around when fed to your chickens, such as brassicas (such as cabbage and turnips), and cucurbits (cucumbers, pumpkins, and squash, particularly the seeds).  Garlic is also supposed to be effective.  You can sprinkle garlic powder over their food or add crushed garlic to their water.

Related: Planting Garlic is Easy!  Here’s How To Do It.

These methods won’t get rid of a large worm population, but are better at discouraging problems from developing in the first place.

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How Do I Know If I Need To Use Medications?

Some chicken keepers never use dewormers and rely solely on feeding garlic and pumpkin seeds to their flocks.  Then there are others who deworm their whole flock as a matter of course every six months, rotating which product they use.

The only way to be sure that your chickens do not have a unreasonable problem with worms is by doing fecal exams.  You can have a vet do it or you can learn how to do it yourself.  Doing fecals every six months is a good way to be sure that your flock is healthy and that your preventative measures are doing an effective job.

The Chicken Health Handbook by Gail Damerow has an excellent section on learning how to do fecal exams, including a worm egg ID guide.  If this is the route you want to take for your flock, I highly suggest investing in the book as it is a clear and easy to follow guide.

There are also instructions and some pictures on the Backyard Chickens Forum.  There are some as well on Kakariki.net, a parrot keeping forum.

When Deworming Chickens Is A Necessity

When you must use medications, try not to use the same one all the time.  Resistance takes longer to build when they are rotated.  Dewormers are either placed orally in the beak, dropped on the skin, injected under the skin, or added to the food or water.  Piperazin has a withdrawal period of 14 days for meat, but there is no safe period established for eggs.  Hygromycin-B is approved for laying hens.  The withdrawal time is three days for meat.  Do be aware that it is an antibiotic and comes with all the disadvantages and problems that commercial operations have.  Isn’t avoiding that sort of thing part of the whole point of raising our own birds?

Even though they are not approved for chickens, some flock owners use Ivermectin, Levamisole, Albendazole, and Fenbendazole.  The Chicken Health Handbook also has an awesome chart with dosing instructions for all of these dewormers in all their various forms.  If you need to dose your flock, I highly recommend picking it up from the library or purchasing a copy.

Do You Need To Worry?

I wouldn’t let worms become a big stress for you, or even worse discourage you from starting your own backyard flock!  If the birds in your small backyard flock are healthy, active, laying, and otherwise bright eyed and bushy tailed, great!  If you want to maintain a breeding program, raise and sell your own birds, have a larger flock, put the time in and learn how to do your own fecal exams so you can be confident that you have the happiest, healthiest birds.

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Deworming Chickens: Do You Need To Worry About It?
Article Name
Deworming Chickens: Do You Need To Worry About It?
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Whaaaat? Chickens have worms? Do I need to worry about this in my backyard flock? What should I DO about deworming chickens?
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Farming My Backyard

Be prepared for your first flock

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