On this page
- Quick picks
- Compare the automatic feeder types
- Gravity feeders: the simplest place to start
- Treadle feeders: a closing lid with training work
- Timed electric feeders: check the whole delivery system
- Capacity and refill intervals
- Plastic or galvanized metal
- Placement, cleaning and daily checks
- Training hens to use an automatic feeder
- Common automatic feeder problems
Choose a gravity automatic chicken feeder for daily feeding because its hopper supplies the outlet without a motor or treadle. Choose a treadle when a closing lid matters more than easy setup. Consider a timer only when scheduled delivery solves a specific problem and you can check the system’s reliability.
The word automatic covers different jobs. A gravity hopper supplies the opening as birds eat; a treadle opens a lid when a bird steps up; an electric dispenser delivers feed when its controller tells it to. Buying by hopper size alone misses those differences.
Short answer
Gravity for simple feedingchoose a treadle for controlled access
Look for an outlet your smallest bird can use, a hopper you can empty and clean, and a dry mounting place. Extra storage is useful only when the feed keeps reaching the birds.
Quick picks
These four cover the two powerless mechanisms: gravity ports that refill as hens eat, and treadle lids that open under a hen’s weight. None needs electricity. Specs come from the makers’ pages and listings, and the best chicken feeders and treadle feeder guide have the full write-ups.
| Feeder | Mechanism | Capacity | Activation weight | Price (date checked) | Buy |
|---|---|---|---|---|---|
| OverEZ 50 lb | Gravity, 3 ports | 50 lb | None, open ports | $79.99 (2026-10-20) | Check price |
| Grandpa’s Feeder | Treadle | about 20 lb or 40 lb | about 14 oz or 2 lb | $189.99–$239.99 (2026-10-09) | Check price |
| RentACoop 25 lb Metal Treadle | Treadle, rain cover | 25 lb | Not stated | $179.95 (2026-10-09) | Check price |
| RentACoop 25 lb 4-Port Bucket | Gravity, 4 hooded ports | 25 lb | None, sliding covers | $69.95 (2026-10-09) | Check price |
OverEZ Chicken Feeder, 50 lb
a medium or large flock under cover where fewer refills matter more than eating space
- Capacity
- 50 lb
- Ports
- 3, gravity fed (3 birds at once, per the listing)
- Weather
- Port overhang for rain, per the listing
- Material
- UV-protected, BPA-free recyclable plastic
- Placement
- Sits on the ground, indoors or outside
- Fill
- Wide mouth
- About $1.60 per pound of capacity
- Wide-mouth fill
- Listing says it works inside or outside
- Only three ports for a 50 lb hopper
- Open ports, not rodent proof
- Sits on the ground rather than at back height
- Plastic body
Grandpa's Feeder Treadle Feeder
adult hens in a flock of 6 to 40 or more, with a keeper who will follow the training plan
- Capacity
- Standard about 20 lb, Large about 40 lb
- Activation weight
- Standard 14 oz (500 g), Large 2 lb (900 g), approximate
- Maker's flock size
- Standard up to 12 hens, Large 12 or more
- Body
- Galvanized steel with a weight-activated lid
- Training
- Two stages of about one week each
- Feed
- Dry feed only, not for baby chicks
- Activation weights published for both sizes
- Two-stage training plan from the maker
- Galvanized steel body
- Priciest treadle here
- Maker says it is not a rat, wildlife or weather guarantee
- No wet mash or damp feed
- Bantams not addressed by the maker
What owners report
The maker's page carries no customer reviews. Keepers in a Facebook backyard poultry group recommend Grandpa's and other treadle feeders with guards for deterring wild birds.
RentACoop 25 lb Automatic Metal Treadle Feeder
6 to 14 hens when you want a rain cover and a lower price than Grandpa's
- Capacity
- 25 lb (a 40 lb version is $219.95)
- Body
- Galvanized metal body, stainless-steel hardware
- Weather
- Rain cover included
- Maker's feed time
- About 6 adult hens for up to 10 days
- Activation weight
- Not stated
- Training
- Separate instructions page
- Rain cover included
- Maker says it blocks rats, mice, squirrels and wild birds
- Stainless-steel hardware
- No activation weight stated
- Owners report lid latch failures and water getting in
- Assembly problems reported
- Bantam suitability not stated on the page
What owners report
Reviewers on the RentACoop listing report lid latch failures, water getting in and difficult assembly. They describe showing hens the treadle by stepping on it. One says a bantam Cochin could not open the treadle once it hung lower, and one describes a serious accident with birds trapped at the side of the feeder, so read that review before you buy.
RentACoop 25 lb 4-Large-Port Bucket Feeder
6 to 14 adult hens that scatter feed from open troughs
- Capacity
- 25 lb
- Ports
- 4 large, with sliding covers
- Waste control
- Hooded ports and an interior feed diverter
- Mounting
- Adjustable stand, screwed down in a coop or staked outdoors
- Bird age
- 12 weeks and older (listing address)
- Dimensions
- Not stated
- Hooded ports and a diverter cut scatter
- Sliding port covers close at night
- About $2.80 per pound of capacity
- Lid with a carry handle
- Plastic body that owners say goes brittle outdoors
- Owners report mice reaching feed through the ports
- Dimensions and body material not stated by the maker
What owners report
Reviewers on the RentACoop listing say the plastic fell apart within about a year in one case and about two and a half years in another. Others say the lid is hard to open, mice got in through the ports, and the port openings rubbed feathers off some birds' necks.
Compare the automatic feeder types
| Type | What happens automatically | Best fit | Main failure to check |
|---|---|---|---|
| Gravity port or tube | Dry feed drops into the eating area | Everyday backyard feeding with fewer moving parts | Feed hangs above an empty outlet |
| Treadle | A hen’s weight opens the lid | Adult birds where access by pests is a concern | Small or timid birds cannot open it |
| Timed electric dispenser | A motor releases feed on a schedule | A managed setup with a clear delivery plan | Power, motor or schedule fails |
| DIY gravity hopper | A homemade container replenishes its outlet | A keeper willing to adjust the build and inspect it | Outlet leaks, clogs or admits rain |
For example, Dine-A-Chook describes its automatic feeders as gravity-fed. The name does not mean they contain a timer or shut when hens leave. Look at the feeding opening and the mechanism in the manual, rather than assuming automatic means enclosed.
Our chicken feeder guides cover buying choices, treadle training and rodent access in more detail.
Gravity feeders: the simplest place to start
A gravity feeder has a storage chamber above an outlet. Feed falls as birds eat. Tube feeders expose feed around a tray; port designs put the eating area inside a container or behind a hood. The outlet shape matters because the same gravity mechanism can supply a wide open tray or a recessed eating bay.
Choose a design you can inspect without dismantling the whole setup. You should be able to see or feel that feed has reached the eating area, remove stale material at the bottom, and clean the container. A dark hopper that looks full from above can hide an empty outlet below.
Feed texture also matters. University of Minnesota Extension explains that mash can pack in tubular hoppers and interrupt flow. Its alternative is a trough that birds eat from directly. Ask the feeder maker about your actual feed rather than assuming every gravity design accepts every ration.
If your birds use pellets or crumble, check the maker’s instructions for that model. Dine-A-Chook lists those feed forms for its own feeders and excludes wet or sticky feeds in its feeding guide. That guidance applies to its product; it is not proof that every homemade outlet flows equally well.
Treadle feeders: a closing lid with training work
A treadle combines feed storage with a platform linked to a lid. Birds need to stand in the right place and exert enough weight to lift it. This adds an access barrier, plus hinges, linkage and a training process that a plain gravity hopper avoids.
Before choosing one, check your smallest birds, including bantams and birds joining the flock later. Ask the seller for the activation weight and the training instructions. A flock-size claim does not tell you whether a particular hen can operate the lid.
Place it on the surface the maker specifies. Watch for a platform that tilts, rubs against bedding or catches on nearby equipment. Check access while a hen is using it, then watch the lid close after she leaves. Remove spilled feed around the platform so you can inspect its movement.
The treadle chicken feeder guide compares models and training details. For an existing rodent problem, use the rat-proof feeder guide alongside enclosure and feed-storage improvements. A treadle does not remove a food reward left on the floor.
Timed electric feeders: check the whole delivery system
An automatic chicken feeder with a timer can mean a hopper with a motor-driven outlet or a dispenser that throws feed outward. Those designs need different spaces and checks. Confirm where the food lands and whether birds can reach it without crowding or eating off wet bedding.
Before buying, get the manual and ask these questions:
- Is it intended for poultry and the feed you use?
- Does it dispense into a clean eating area or scatter onto the ground?
- What happens when the battery runs down or mains power stops?
- Does restoring power preserve the clock and schedule?
- Can you inspect a delivery and confirm the motor actually moved feed?
- Can you provide feed safely if the controller fails?
Keep a working manual feeder available during setup. Verify a delivery with birds present before relying on the timer. Check the actual output instead of treating a running motor or lit display as proof that feed arrived.
This guide does not rank electric models because no specific unit has been verified here against a poultry manual. Compare the mechanism and failure behavior before treating a timed dispenser as an upgrade.
Capacity and refill intervals
Work from your flock’s observed feed use. Fill with a known amount, record what you add, and note spilled feed separately. Repeat through your normal routine before planning a refill schedule. Stored feed, feed eaten and feed wasted are different quantities.
Estimate time between refills by dividing usable feed in the hopper by daily flock use. Leave a reserve and shorten the interval when weather or feed flow changes. A gallon label describes container volume; it does not establish the weight of every feed blend.
For a starting estimate before you have records, Alabama Extension gives a rough allowance of 0.25 lb of feed per laying hen per day. Here is what that means for the hopper sizes you will see on automatic feeders, with no allowance for spills.
| Laying hens | Daily feed at 0.25 lb | 20 lb hopper | 25 lb hopper | 40 lb hopper | 50 lb hopper |
|---|---|---|---|---|---|
| 4 | 1 lb | about 20 days | about 25 days | about 40 days | about 50 days |
| 6 | 1.5 lb | about 13 days | about 17 days | about 27 days | about 33 days |
| 10 | 2.5 lb | about 8 days | about 10 days | about 16 days | about 20 days |
| 20 | 5 lb | about 4 days | about 5 days | about 8 days | about 10 days |
Bigger is not always better. A small flock on a 50 lb hopper leaves the bottom of the feed sitting for weeks, and stale or damp feed at the outlet is the part you cannot see from the lid. I’d size the hopper to one or two weeks between refills and spend the rest on a second feeding spot.
Also check eating access. A large hopper with a single contested opening can leave subordinate birds waiting. Penn State Extension calls for 3 inches of feeder space per bird, so ten hens need about 30 inches of eating edge. Port feeders do not list inches, and Dine-A-Chook suggests one of its feeders for every 6 to 8 birds instead. Watch your flock during meals and provide another eating location if birds are being pushed away. More storage and more feeding positions solve different problems.
Plastic or galvanized metal
Plastic is lighter and does not rust. Galvanized steel is the traditional choice, but Backyard Poultry magazine says retail galvanized feeders rust quickly and are hard to clean, and that retail plastic is thinner than commercial equipment and suffers in the sun. Either way, pick the one you can take apart and wash. For a feeder in the open run I’d lean toward metal or thick plastic with a rain hood, kept in the shade. Dine-A-Chook says its feeders should sit in the shade so the feed does not warm up and spoil.
Placement, cleaning and daily checks
Set the feeding lip level with the birds’ backs, per Penn State Extension and Texas A&M AgriLife, and mount for your smallest bird, as Dine-A-Chook puts it. Keep the feeder clear of water splashes, roof runoff and roost droppings. Leave space to open the lid and remove it for cleaning. Check that a fully loaded hopper stays stable when a bird bumps it.
Use the supplied mounting instructions. RentACoop’s instruction library separates port, bucket and treadle models, which is a useful reminder that setup is specific to the feeder. For growing birds, Minnesota Extension advises adjusting equipment to bird size and limiting hopper fill to reduce waste.
During your flock check, inspect the eating opening, the birds using it and the feed at the bottom. Clear a blocked outlet immediately. Empty damp or spoiled feed rather than mixing new feed into it, then find the leak or splash source. After washing, let the feeder dry before refilling.
An automatic feeder reduces a chore. It still needs a person checking that food reaches every bird. Pair it with a water setup you can inspect in the same visit; the automatic chicken waterer guide covers that side of the system.
Training hens to use an automatic feeder
Gravity port feeders need the least training. Dine-A-Chook says most hens work its feeders out on their own, and for slow learners it suggests putting a dry treat such as mealworms in the mouth of the feeding bay. I’d leave the old feeder out for a few days beside the new one and take it away once every bird eats from the new ports.
Treadles take longer because the lid moves. Grandpa’s seller listing describes two stages of about a week each, starting with the lid propped open, and the treadle feeder guide walks through the steps. Timed dispensers need the least training and the most checking: the birds learn the schedule, and you confirm each delivery.
Common automatic feeder problems
Feed stops flowing
Mash and fine crumble can pack in a tube and hang above the outlet, which Minnesota Extension flags for tubular hoppers. Tap the hopper, check the outlet with your hand and switch to pellets if the maker allows them. Dine-A-Chook says scratch and grain mixes cut the waste-reducing effect of its ports.
Feed gets wet
Look for rain blowing into the ports, a leaking waterer nearby or condensation in a hopper that sits in the sun. Empty the damp feed, dry the feeder and move it or add a rain hood before you refill.
Rats and wild birds still eat
An open gravity outlet does nothing to stop them, and a treadle only works if the lid seals and the floor around it stays clean. The rat-proof feeder guide covers the rest of the fix, including feed storage.
Some hens will not eat from it
Check whether a dominant hen is guarding a single opening, whether a light bird can trip the treadle, and whether the outlet is too high. Add a second feeding spot before you assume the hen is the problem.
A timer misses a delivery
Check the batteries or power, the clock after any outage, and whether feed actually dropped. Keep a manual feeder ready until the system has a record you trust.
Questions people ask
Does an automatic chicken feeder need electricity?
Gravity and treadle feeders work without electricity. A timed dispenser needs the power source listed in its manual, which might be batteries or a mains supply. Read what the mechanism does before buying something labeled automatic.
Is an automatic chicken feeder rat-proof?
An open gravity outlet remains accessible to pests. A treadle lid limits access, but its trigger, lid fit and spilled feed still matter. Compare those details in the rat-proof feeder guide.
Can I leave chickens alone with an automatic feeder?
Extra feed capacity reduces refills but does not replace a keeper checking feed access, water, birds and the enclosure. Arrange someone to check the flock while you are away. A full hopper can still have a blocked outlet.
Can I make an automatic chicken feeder myself?
Yes. A bucket fitted with feed ports or a vertical PVC hopper can replenish an outlet by gravity. The DIY chicken feeder guide compares those builds with an open trough.
How long does an automatic chicken feeder last between refills?
Divide the hopper's feed weight by your flock's daily use. At Alabama Extension's rough 0.25 lb per laying hen per day, a 20 lb hopper lasts about 8 days for 10 hens and a 40 lb hopper about 16. Spilled and wasted feed shortens that, so record your own refills.
How many chickens can share one automatic feeder?
Count eating space, not hopper size. Penn State Extension calls for 3 inches of feeder space per bird. Dine-A-Chook suggests one of its feeders for every 6 to 8 birds so dominant hens cannot hog it.
Sources
- University of Minnesota Extension: Raising layer chicks and pullets
- University of Minnesota Extension: DIY poultry feeder
- Dine-A-Chook: Automatic gravity feeders
- Dine-A-Chook: Complete feeder guide
- RentACoop: Product instructions
- Alabama Extension: Feeding the laying hen
- Penn State Extension: Management requirements for laying flocks
- Texas A&M AgriLife Extension PSS.250: The Small Laying Flock
- Grandpa's Feeder seller listing (My Favorite Chicken)
- Backyard Poultry: How to pick the best chicken feeders and waterers
- Amazon listing: OverEZ Chicken Feeder, 50 lb
- RentACoop Automatic Metal Treadle Feeder, 25 lb (maker's product page)
- RentACoop: Chicken feeders collection (prices and capacities)


