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Most keepers treat bald patches like a mite problem. Here's what a poultry vet says is really stopping the feathers coming back.

Dr. Elizabeth MacDonald, poultry veterinarian

Updated on July 20, 2026

Dr. Elizabeth MacDonald, poultry veterinarian | Updated on July 20, 2026

You dusted every bird. You did it again two weeks later because everything you read said you have to. You stripped the coop, bagged the bedding, scrubbed the perches and left it in the sun to dry.


And the bald patches are still there.


Maybe you got as far as sitting out in the run on a Saturday, watching them for an hour, waiting to catch whoever was doing it. And nobody was doing anything. They dust bathed and they argued about the good end of the feeder and not one of them pulled a feather out of anybody.


Maybe you switched to a higher protein feed, because feathers are protein and more protein has to help. And it did not help.

 

Here is the part that gets missed. In most flocks it does not start on all of them. One hen goes thin across her back while the others stay full and glossy, on the same feed, in the same coop, on the same twenty feet of ground.


Keepers read that as bad luck, or that one bird being odd. It is usually the opposite. It means whatever is happening is not in the coop and it is not in the bag of feed, because those are identical for all of them.


It is happening inside one bird, and it is usually already happening inside the others.

 

 

If you have spent months on this and you are starting to think you are the problem, you are not.


You treated the only thing you could actually see. Everything you did was the correct response to what was in front of you. The reason it did not work has nothing to do with how carefully you did it.

5 signs your chicken's bald patches have nothing to do with mites

You treated for mites and the bare patches are still bare

Nothing is growing back into the bare skin. No pin feathers, no stubble

What has come back came in thin and dull rather than full and glossy

Her comb is not the colour it used to be

She's been eating the same as always

 

If even one or two of those sound like your chicken, this isn't about willpower or mite treatments.


Clearing what is on the outside does not put back what she has not been absorbing on the inside. A hen who cannot use her feed cannot rebuild feathers, whatever you dust her with. That is why the patches stay bare after a treatment that worked.

A feather is not a part of the bird the way a beak is. It is a structure she builds, and she builds it almost entirely out of protein. Growing a full set back is one of the most expensive things she asks her body to do.


So her body ranks it. Staying alive comes first. Laying comes next. Feathers are the first thing dropped when there is not enough to go round.


Which means the question was never why she is not growing feathers. The question is what is taking the protein before she gets to use it.


Every chicken living on soil carries some worms. They are part of the deal. The question is whether the load has crossed the line where it starts costing her something.


The ones that matter attach to the wall of the gut. Not floating in the middle of it. Attached to the lining, which is the only surface through which anything she eats can actually reach her. A lining that is irritated and covered in things holding onto it does not absorb the way a healthy one does.


So the protein goes in and does not get in. You can run the tap harder and it changes nothing, because the plug is out.


That is why a better feed made no difference. And it is why nothing you put on the outside of her was ever going to work.

Summer is when this gets worst, because warm ground is active ground. 

 

Your girls are out on the same patch of dirt every morning, heads down, picking at it.


They are not catching it from each other. They are picking it back up off the ground, every day, all season.

And to be clear, sometimes it genuinely is mites. Sometimes it is a rooster, or a moult that is running late. Those are real, they are common, and if you have got one of those you should deal with it.


Dealing with it still does not put back what she has not been absorbing. That is a separate job, and nothing you put on her skin does it.

Why the powder, the spray and the strip-downs never ended it

If you have been through a spring and summer of this, you have probably spent more than you think. A shaker of mite powder every few weeks. Diatomaceous earth for the dust bath. An anti pick spray. A bag of higher protein feed. Two full coop strip downs. And for a lot of keepers, a vet visit in the middle of it that ends with someone telling you there is nothing on her.

 

Add it up across a season and it is real money, spent on a bare patch that is still bare.

 

None of it was wasted because you were careless. It was wasted because all of it was aimed at the outside of a bird whose problem is on the inside. You can keep buying things that treat the skin, or you can spend less than any one of them on the thing that works where the damage actually is.

This is the part every other fix skips: the inside of the bird.

This is the part every other fix skips: the inside of the bird.

 

Daily Worm Defense and Gut Support goes after the gut, where the problem actually lives. Six botanicals, worked into the feed she already eats, making the gut wall a place worms struggle to settle into and hold onto. Fewer worms holding on means a lining that can absorb again. And a hen who can absorb her feed is a hen who can finally rebuild what she lost.

 

That is the whole difference. Everything you dusted, sprayed and stripped down was aimed at the outside. This is the first thing you have given her that works where the damage is.

 

No separating birds. No dosing anyone by hand. No pulling eggs. One scoop in with the feed you already trust, every day, on the same daily basis she is out there picking worms back up off the ground.

 

Reviewed by a poultry vet. Two tablespoons a day for a flock of three to seven. One pouch treats a full 50 lb bag of feed.

Daily Worm Defense and Gut Support goes after the gut, where the problem actually lives. Six botanicals, worked into the feed she already eats, making the gut wall a place worms struggle to settle into and hold onto. Fewer worms holding on means a lining that can absorb again. And a hen who can absorb her feed is a hen who can finally rebuild what she lost.

 

That is the whole difference. Everything you dusted, sprayed and stripped down was aimed at the outside. This is the first thing you have given her that works where the damage is.

 

No separating birds. No dosing anyone by hand. No pulling eggs. One scoop in with the feed you already trust, every day, on the same daily basis she is out there picking worms back up off the ground.

 

Reviewed by a poultry vet. Two tablespoons a day for a flock of three to seven. One pouch treats a full 50 lb bag of feed.

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Supports the gut lining she absorbs protein through

Daily defense through peak worm season

Goes in with her existing feed, no separating birds

Keep eating the eggs as normal

Reviewed by a poultry vet

The 60-Day Plan To Get Your Girls Healthy again

 

Feathers take time to grow back. But you do not have to wait for a full set to know it is working.

 

This is structured as a journey, with each phase building on the one before, and the changes keepers notice first are not the feathers at all. They are the quieter signs that the inside is finally sorting itself out. 

 

Here is what keepers typically report, and in what order.

The 60-Day Plan To Get Your Girls Healthy again

 

Feathers take time to grow back. But you do not have to wait for a full set to know it is working.

 

This is structured as a journey, with each phase building on the one before, and the changes keepers notice first are not the feathers at all. They are the quieter signs that the inside is finally sorting itself out. 

 

Here is what keepers typically report, and in what order.

We would rather tell you this than have you quit. For the first fortnight most keepers see nothing on the feathers at all. Nothing is supposed to happen there yet. What is happening is in her gut, and the first thing most people notice is not on the bird, it is under her. Droppings firm up.

Weeks 1 to 2. The nothing phase.

This is where the first real change usually shows, and it is not on the feathers. Combs start coming back up, redder than they have looked in a while. She seems busier, more herself in the run. Keepers often mention this before they mention a single feather. The feathers are still weeks away, but the engine that grows them is finally working again.

Week 3. The first sign.

The patch stops being skin with feathers around it and starts being feathers with a bit of skin left. What comes in tends to come in properly rather than thin and scraggly, because she has the protein to build it with now. Combs come back up around here too.

Weeks 4 to 6. The filling in phase.

Full coverage, lying flat, with a shine on it. This is the point most keepers stop apologising for their flock. It is also the point to keep going rather than stop, because the ground she is standing on has not changed.

Weeks 7 to 8. The covered phase.

Real Owners. Real 60-Day Changes.

Weeks 1 to 2. The nothing phase.

We would rather tell you this than have you quit. For the first fortnight most keepers see nothing on the feathers at all. Nothing is supposed to happen there yet. What is happening is in her gut, and the first thing most people notice is not on the bird, it is under her. Droppings firm up.

Week 3. The first sign.

This is where the first real change usually shows, and it is not on the feathers. Combs start coming back up, redder than they have looked in a while. She seems busier, more herself in the run. Keepers often mention this before they mention a single feather. The feathers are still weeks away, but the engine that grows them is finally working again.

Weeks 4 to 6. The filling in phase.

The patch stops being skin with feathers around it and starts being feathers with a bit of skin left. What comes in tends to come in properly rather than thin and scraggly, because she has the protein to build it with now. Combs come back up around here too.

Weeks 7 to 8. The covered phase.

Full coverage, lying flat, with a shine on it. This is the point most keepers stop apologising for their flock. It is also the point to keep going rather than stop, because the ground she is standing on has not changed.

Real Owners. Real 60-Day Changes.

"What surprised me wasn't the feathers at first. It was that the droppings firmed up and my girls seemed more energetic. Then their combs started looking bright red again, and only after that did the feathers really begin filling back in. It's easy to mix into the feed, so it's become part of our morning routine."

Dana R., Alberta | ✅ Verified Buyer

Sarah T., Ontario

"I'd already bought mite powder, changed the bedding, switched to a higher-protein feed, even watched them to make sure nobody was feather picking. Nothing explained why one hen just wouldn't feather back up. After staying consistent with this, the patch slowly disappeared over the next several weeks. Her feathers are glossy again and the whole flock looks healthier."

Marie L., Quebec | ✅ Verified Buyer

Donna K., Nova Scotia

"I was convinced mites were the problem because I'd dusted the coop twice and nothing changed. The bald spot on one of my Rhode Island Reds just stayed bare. Around the fourth week I noticed tiny new feathers coming in, and by about two months you honestly couldn't tell where the patch had been. I wish I'd known sooner it wasn't just something on the outside."

Susan T., Ontario | ✅ Verified Buyer

Heather B., Alberta

Daily Worm Defense + Gut Support

Mix it into their feed. That is the whole routine.

One pouch mixes into a 50 lb bag of feed, or about two tablespoons a day for three to seven hens

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Dr. Elizabeth MacDonald is a poultry veterinarian. She reviewed the Daily Worm Defense and Gut Support formula for ingredient suitability and inclusion rates for backyard laying flocks.

Daily Worm Defense + Gut Support

Mix it into their feed. That is the whole routine.

One pouch mixes into a 50 lb bag of feed, or about two tablespoons a day for three to seven hens

Subscribe and save up to 50%

Buy 3 Get 1 Free

30 day money back guarantee

Daily Worm Defense + Gut Support

Mix it into their feed. That is the whole routine.

Buy 3 Get 1 Free

30 day money back guarantee

Subscribe and save up to 54%

see the formula →

One pouch, mixed into feed you already buy, replaces the shaker, the diatomaceous earth, the anti pick spray, the higher protein feed, and the repeat coop strip downs. 

Dr. Elizabeth MacDonald is a poultry veterinarian.

 

She reviewed the Daily Worm Defense and Gut Support formula for ingredient suitability and inclusion rates for backyard laying flocks.

REFERENCES


1. Sharma, N., Hunt, P.W., Hine, B.C., Ruhnke, I. The impacts of Ascaridia galli on performance, health, and immune responses of laying hens: new insights into an old problem. Poultry Science, 2019.


2. Sharma, N., Hunt, P.W., Hine, B.C., et al. Effect of an artificial Ascaridia galli infection on egg production, immune response, and liver lipid reserve of free-range laying hens. Poultry Science, 2018.


3. Abdelqader, A., Gauly, M., Wollny, C.B.A. Response of two breeds of chickens to Ascaridia galli infections from two geographic sources. Veterinary Parasitology.


4. Höglund, J., Jansson, D.S. Infection dynamics of Ascaridia galli in non-caged laying hens. Veterinary Parasitology, 2011.

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This page is an advertisement for GoodBrood. Information provided does not constitute veterinary advice and should not replace guidance from your own veterinarian. Daily Worm Defense and Gut Support is a feed supplement and is not intended to treat, prevent or cure any disease. Individual results vary.