Broody Hens: Hatching Eggs Naturally

Author: Elliott Garber, DVM

A broody hen is one whose hormones have flipped her into “hatch mode”: she wants to sit on a clutch of eggs day and night until they hatch, and she will defend that nest fiercely. It is a completely natural behavior, neither good nor bad on its own. It depends entirely on what you want. If you want chicks, a broody hen is a free, self-managing incubator and brooder rolled into one. If you just want eggs, she has stopped laying and needs to be gently talked out of it. This guide covers how to tell she is broody, how to let her hatch a clutch if you want chicks, and how to break the cycle if you do not.

What “going broody” actually is

Broodiness is a hormonal state, not a mood. A surge of hormones (the same family that prepares a mammal to nurse after giving birth) drives the hen to find a nest, settle in, and stay put so she can incubate a clutch until it hatches. The University of Kentucky Cooperative Extension describes broodiness as “the term used to describe a hen that is preparing to naturally incubate eggs and raise newly hatched chicks.” It is triggered by a hormone surge that would normally return to normal levels after she lays an egg; in a broody hen, those levels stay high and keep her sitting (University of Kentucky, ASC-247).

Two things follow. First, because it is hormonal, you cannot reason with it or simply shoo her off once and be done. Second, broodiness happens whether or not a rooster is around, so a hen can sit devotedly on a clutch that will never hatch because the eggs were never fertile. Broodiness also runs in genetics: some breeds go broody readily, while the commercial egg strains have been selected against it. More on which breeds do what below.

How to recognize a broody hen

The single clearest sign is a hen who will not leave the nest. A laying hen visits the box, lays, and leaves. A broody hen sits in it all day and through the night, coming out only for brief trips to eat, drink, and pass droppings. Finding a hen in the nest box is not enough to call her broody; it is the staying that matters.

Alongside that, watch for this cluster of signs, all documented by poultry extension programs:

• She puffs up and gets defensive. Approach the nest and she flattens over the eggs, fluffs up to look bigger, and may growl or peck hard at your hand. Extension notes she “will peck at you and fiercely protect her territory” (University of Kentucky).
• She plucks her own breast feathers and tucks them around the eggs. This cushions the clutch and bares a patch of warm skin (the brood patch) that presses body heat directly onto the eggs.
• She stops laying. If a reliable layer suddenly goes quiet and is glued to the nest, broodiness is a likely reason (University of Kentucky). Our egg-laying guide covers the other common reasons a hen stops.
• Her droppings change. Because she leaves the nest so rarely, they come out large and noticeably foul-smelling. This is normal for a broody hen, not a sign of illness on its own.
• A distinctive cluck. Many broody hens develop a low, repetitive clucking or growling voice you do not hear at other times.

If several of these line up, she is broody. Now the fork in the road: do you want chicks or not?

If you WANT chicks: letting her hatch a clutch

A broody hen is arguably the easiest way to hatch eggs: she does all the hard parts (turning, temperature, humidity) by instinct and then raises the chicks herself with no brooder lamp required. If you would rather run a machine, or hatch more eggs than a hen can cover, see our incubator hatching guide.

Give her fertile eggs

The hen cannot tell fertile eggs from infertile ones, so supply eggs that can actually develop: eggs from a flock with an active rooster, collected fresh and stored cool (not refrigerated), pointy-end down, for no more than about a week before setting. Slip them under her all at once so they hatch together. A standard hen can usually cover roughly a dozen; a bantam fewer. Do not overload her, since eggs that roll to the cold edge of the clutch will not develop. Mark each egg with a pencil so that if she takes in a stray fresh egg from another hen, you can spot and remove it and avoid a staggered hatch.

Move her somewhere quiet, with food and water close

A hen in a shared nest box faces problems: other hens climb in to lay on her clutch, and once chicks hatch they can fall out of a raised box or get trampled. The cleaner setup is a separate, low broody area on the ground, secure from predators and rodents, away from the rest of the flock, with her own food and water within a step of the nest. The University of Maine Cooperative Extension advises locating a sitting hen “somewhere safe from rodents, skunks, and the family dog” (University of Maine, Bulletin 2072). Move her at night if you can, since a broody hen is far more likely to accept a new spot after being relocated in the dark.

Let her run the incubation

This is the beauty of a broody hen: once she is set, you mostly leave her alone. She turns the eggs many times a day, adjusts how tightly she sits to manage temperature, and brings moisture to the nest from her body. No thermometer or humidity gauge needed. Your job is to keep food and water topped up, keep the area clean and secure, and resist the urge to keep lifting her off to peek.

Candling to check progress

Candling means shining a bright light through the egg in a dark room to see what is developing inside. It is optional with a broody hen, but useful for pulling duds before hatch. Extension programs typically candle around days 7, 14, and 18. A developing egg shows a network of veins and a dark growing embryo; a clear egg with no development is infertile or has quit and can be removed. Work quickly and put fertile eggs right back so they do not cool. After about day 18 or 19, stop handling the eggs and leave the hen undisturbed for the hatch (University of Maine).

Hatch day and the first weeks

Chicken eggs hatch at about 21 days. Around then the chicks begin to pip, chipping a hole through the shell, and work their way out over a day or so. Do not “help” a chick out of its shell, since that usually does more harm than good. Eggs hatch at slightly different times, so some may be out on day 20 while others need another day. The peeping of hatched chicks is the signal to the hen that she is done sitting.

After the hatch, the hen becomes the brooder. She keeps the chicks warm under her body and wings, so you do not need a heat lamp, and she teaches them to eat, drink, and forage. Chicks absorb the last of their yolk just before hatching, which carries them through the first day, but have chick-appropriate feed and shallow water (shallow enough that a chick cannot drown) available right away. Most hens are attentive mothers, but occasionally a first-time mother is alarmed by the chicks, so check in over the first day and be ready to step in if she rejects them. Our raising baby chicks guide covers feed, water, and warmth if you end up brooding any yourself.

If you do NOT want chicks: breaking broodiness

If you keep hens for eggs, a persistent broody is a problem, and not only because she is not laying. A broody hen eats and drinks very little and can run herself down, losing significant body condition over weeks of sitting, and in hot weather she is at extra risk while parked in a stuffy nest box. Breaking broodiness is partly about egg production and partly about her welfare.

The good news is that broodiness is interruptible, and the gentle methods work in a few days. Extension guidance, from mildest to firmest:

1. Collect eggs often and deny her the nest. Gather all eggs frequently so nothing accumulates under her, and keep lifting her out. Some keepers close off the nest boxes once the other hens have laid. For a mildly broody hen this alone can be enough (University of Kentucky).

2. Move her off the nest at night. Lift her off after dark and set her on a perch with the other hens. A few nights of this breaks the pattern for some hens.

3. Use a broody breaker. If she stays stubborn, put her in a wire-bottomed cage (a broody breaker or “broody jail”) raised off the ground, with food and water but no nesting material and nothing soft to sit on. The open wire floor lets air move across her underside and cools the brood patch, the physical signal that keeps her broody. Extension notes that “the absence of a nest or nesting material frequently works to stop the broodiness in the hen,” and that it may take a few days (University of Kentucky). Keep her fed and watered the whole time; the goal is to cool the breast and remove the nest cue, not to punish her. Once she stops flattening and puffing and moves around normally, she can rejoin the flock, and laying usually resumes within a week or two.

Some hens will not give up even when no eggs hatch under them, because the peeping of hatched chicks is what normally tells a hen she is finished, and with no chicks that “stop” signal never comes (University of Kentucky). That is why waiting it out is a poor plan for a persistent broody. If a hen seems genuinely unwell rather than just broody (very thin, weak, or not eating and drinking even when off the nest), treat that as a health concern and consult a veterinarian.

Which breeds go broody, and which rarely do

Broodiness is heritable, and breeds fall into two broad camps.

Readily broody, good mothers. The heritage and Asiatic breeds are the classic sitters. Silkies are the standout, famous for going broody at the drop of a hat and for hatching eggs slipped under them from other hens. The University of Kentucky lists Buff Orpingtons, Cochins, Australorps, Sussex, Brahmas, and Silkies among breeds with a higher tendency for broodiness (University of Kentucky). If your goal is to hatch eggs the natural way, one of these is a safe bet.

Rarely broody, built to lay. The commercial egg-laying strains have been selected over generations to keep laying and skip sitting. As the same source puts it, “the commercial strains of layers have been selected to reduce broodiness and the desire to incubate eggs.” White Leghorn strains and the hybrid production layers built from them are the classic non-sitters, and you may go years without a broody hen among them.

These are tendencies, not guarantees. A breed known for it will still have hens that rarely sit, and a production breed will occasionally throw a determined broody. Pick your breed for the odds you want, then manage the hen in front of you. If you are still choosing birds, the chicken species page is a good place to compare, and if you land on a hatch, the chicken name generator helps name the new arrivals.

Keeping records on a broody hen and her hatch

A broody season is worth tracking: which hens sit reliably, how many eggs hatched, and which chicks came from which pairing. In Creatures you can add each hen as an animal and log the broody episode, set date, hatch count, and health notes as records on her profile. If you set eggs, a reminder for candling days and the day-21 hatch keeps the timeline honest. Once chicks hatch, adding them as animals lets you track parentage and growth from day one, useful if you plan to keep or sell any.

Frequently asked questions

Can I put day-old chicks under a broody hen instead of hatching eggs?

Many keepers “graft” purchased or incubator chicks under a broody at night, and a good broody will often accept and raise them. It does not always work, and a hen can reject or injure chicks that are not hers, so do it under supervision and be ready to brood them yourself if she does not take to them.

Does a broody hen need a rooster?

Not to go broody: a hen can go broody with no rooster in sight. She does need fertile eggs (which require a rooster) if you want that broodiness to actually produce chicks. With no rooster, she will sit devotedly on eggs that will never hatch, one more reason to break broodiness if chicks are not the plan.

Will breaking her broodiness hurt her?

No. A properly run broody breaker (cool wire floor, food, water, no nest) simply removes the cues keeping her broody. What hurts her is being left to sit for weeks while she runs down her body condition, so interrupting broodiness protects her.

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