Yes, chickens can eat rabbit food, but only as a small treat, and never in place of their feed. The trouble is that “rabbit food” means four different things. It can be plain pellets or a seed-and-fruit mix. It can be hay. It can also be the fresh greens in a rabbit’s bowl. Each one gets its own answer below. My ranking: greens first, then a few pellets, then a pinch of mix, and long hay is the one I’d hold back. The label can fool you. Purina’s rabbit feed and its Layena layer feed both promise 16 percent protein, yet the rabbit feed has 1 percent calcium at most, and Alabama Extension wants a laying hen’s diet at 3 to 4. My call: use up a bag you already own, slowly, keep it out of the feeder, and don’t buy one on purpose.
I rewrote this page from 17 sources, and you’ll find them all listed at the bottom. For the hen side I used Alabama Extension, Colorado State Extension, UC Davis, the Merck Veterinary Manual, Penn State and the University of Maryland, plus Jacquie Jacob’s pages on the national Cooperative Extension poultry site (Jacob is at the University of Kentucky). For the rabbit side I went to Rabbit.org. Every number on a bag comes straight from the makers’ own pages (Purina’s, Kaytee’s, Oxbow’s), and the drug rules are the federal ones. I didn’t find a study or an extension page on feeding rabbit pellets to hens, so a lot of this is my read of those labels, and I’ll tell you where.
The old page opened with a story I can’t back up. The chickens “knocked over the bag of rabbit food”, the writer “shooed them away”, and later a bag “accidentally bought instead of chicken feed” went into the flock’s feed “over the course of a few weeks until it was gone”. I can’t show you any of that happened, so it’s gone, along with the “$20” bag and the sign-off.
Its numbers went with it. It said to work up to “no more than 25% rabbit food”, to “replace about 1/4 to 1/3 of their feed intake” and to give laying hens “up to 1/2 cup per chicken”. No source I read supports any of those, and Colorado State’s ceiling for every treat combined is 10 percent. “Many rabbit pellets add antibiotics” is out too: Kaytee’s and Oxbow’s full ingredient lists show none, and Purina’s page names none. So is the long list of symptoms that “should resolve within a week or two”, swelling and bald spots included, and the line that pellets “often cost a little less per pound”, because I didn’t check any prices. Then there’s its warning that “Excess protein from rabbit food” is hard on kidneys and livers. These labels’ protein minimums are no higher than layer feed’s.
A word on the photos. They’re real ones, but few of them show the exact thing in the heading, so here’s what you’re looking at. I couldn’t find a free photo of rabbit pellets I trusted, so the pellets in the cup are a horse ration, and the tray of seed is bird seed. Letterbox Farm in Hudson, New York, is where the USDA shot the long stems and the rabbits at the hopper. That trough of feed is on a cage farm in Bali, a long way from a backyard coop. Those chicks are day-olds at a USDA farmers market in 2017. Every credit links you to the photo’s own page.
The short version.
- Rabbit feed is a treat for a hen. It’s short on calcium and heavy on fiber, and Jacob says poultry don’t digest fiber well.
- Every treat together stays at 10 percent of what she eats, says Colorado State. By my math that’s 10 to 15 grams a day per hen.
- My pick of the four is greens from the rabbit’s bowl. Seed-and-fruit mixes are all treat. Keep long hay away from the flock, and any twine with it.
- Skip any medicated rabbit feed. A lasalocid rabbit feed label says “For rabbits (up to 6.5 weeks of age) only”.
- Six hens at a treat share need 126 to 189 days to finish a 25-pound bag, by my math, and Alabama wants feed no older than 3 months.
- Don’t stir it into layer feed, and don’t give it to chicks. Starter’s protein runs higher than the minimums on the rabbit pellets I checked.
Why Rabbit Food Isn’t Hen Food
Start with what a rabbit lives on. The two in the photo are sitting in dry stems, which is close to the menu. Rabbit.org says “Hay should consist of 80% of your rabbit’s diet”, with fresh vegetables at about 10 percent and fruit a treat at under 5. So a rabbit’s whole day is built around fiber, and its feed is too.
A hen runs on something else.
Jacob writes that poultry “typically do not digest cellulose and the non-starch compounds, referred to as crude fiber, well”. Put the labels side by side and you can see the gap. Layena tops out at 6.5 percent fiber. Purina’s Complete Rabbit Feed runs 17 to 20 percent, Kaytee’s Fiesta Rabbit goes as high as 18, and Oxbow’s Essentials Adult Rabbit sits at 25 to 29. The old page warned about too much fiber, yet it also counted fiber as a plus: “The fiber also promotes good digestion in chickens like it does for rabbits”. I found no source that says so, and Jacob’s line points the other way.
My read: calcium is the gap that matters more to a laying hen. Alabama’s table for a laying hen asks for 3 to 4 percent, and Layena guarantees 3.25 to 4.25. Purina’s rabbit feed is 0.5 to 1 percent. Oxbow’s is 0.35 to 0.75, and Kaytee’s page gives no calcium figure at all. So the old page had it backward when it said “Your chickens may produce stronger eggshells thanks to minerals like calcium in rabbit food”. At best, by those labels, rabbit feed has about a third of what Layena has.
Protein is the number that can fool you. Purina’s rabbit feed guarantees 16 percent, same as Layena, and Jacob says “Layer diets that contain 16% protein are more common”. Kaytee’s 14.5 and Oxbow’s 14 only clear Jacob’s 14 percent floor, and Alabama’s table wants 16 or more. That Purina match can make a bag like this look like hen feed. My read: one matching number doesn’t make it the same feed.
Plain Pellets: A Small Treat
This is what most people mean by rabbit food. The cup in the photo holds a horse ration, not rabbit feed, but it’s the closest honest picture I found of a feed pellet. Purina’s Complete Rabbit Feed comes in 25- and 50-pound bags, and its first ingredient is alfalfa. Oxbow’s Essentials Adult Rabbit starts with Timothy Grass Meal and comes in bags from 5 to 25 pounds. A pellet like these is safe to count as a treat, in my read, as long as it isn’t medicated. The nearest thing to a field report I found is one review on Purina’s own page. Someone who ran out of chicken feed gave the flock rabbit feed “to get them through” and noticed “a different in feces odor”. That’s one person and one smell, so don’t lean on it.
Here’s the budget. Colorado State says “Treats should make up no more than 10% of their daily diet”. Alabama says “A laying hen will consume between 100 and 150 grams of feed per day”. By my math, that leaves 10 to 15 grams per hen, per day, for every treat combined. Call it a third to half an ounce. The old page’s 25 percent works out to 25 to 38 grams, two and a half times that share. If you want the labels and the molt question in more depth, my page on rabbit alfalfa pellets goes through them.
Then there’s the hunt for timothy pellets it sent you on, on the grounds that alfalfa “can cause obesity and liver problems in chickens” and timothy is “closer to the nutritional composition of regular chicken feed”. I found nothing behind the first claim. That second claim fails on the label, since Oxbow’s timothy pellet has more fiber than Purina’s alfalfa pellet. A hen doesn’t need you to shop for either one. If you’re curious about the plant itself, see whether chickens can eat alfalfa.
Skip anything medicated.
Federal rules list lasalocid in feed for rabbits and for broiler chickens, but not for laying hens, and a sample label from the University of Kentucky’s feed regulators, for a medicated rabbit mix, reads “WARNING: For rabbits (up to 6.5 weeks of age) only.” If the tag says medicated or names a drug, that bag stays with the rabbits. Credit where it’s due: the old page had that right, but it got one drug wrong. It said “Amprolium was not approved for use in chickens and may be toxic”. Yet the federal rule for amprolium in feed covers chickens, laying chickens included, and it doesn’t mention rabbits at all.
Seed-and-Fruit Mixes: All Treat
The old page never got to these, and they’re a different animal from pellets. The tray in the photo is bird seed, not a rabbit mix, but it shows what sets a mix apart: you can see every seed and grain. Kaytee’s Fiesta Rabbit is a good example. Kaytee sells it as a blend of grains and seeds with fruit and vegetables in it. Oats and corn are on the ingredient list, sunflower seed too, and dried cane molasses. Further down come the fruit bits: raisins and banana, then papaya and pineapple. Its guarantee is 14.5 percent protein and 4 percent fat, with fiber up to 18.
Several of the bits you’d pick out of that bag are treats already. Our food checker rates oats and corn as treats, and unsalted sunflower seeds too. Banana and pineapple get the same rating. So I wouldn’t call the mix unsafe.
I’d call it dessert.
Alabama’s line on extras covers it: “None of these are complete feeds and should be used sparingly or not at all.” And it says why: given in excess, “the birds will fill up on these incomplete feeds and not consume enough of the complete feed to sustain egg production or growth”. My call is a small pinch scattered in the run after they’ve been at the feeder, inside the same 10 to 15 grams, and never a scoop in the morning.
Hay: The Long Stems Are the Problem
The woman in the photo is carrying an armful of long stems past the hens at Letterbox Farm, which keeps chickens and rabbits both. USDA’s caption doesn’t say what they are. They look like straw to me, and that would make them litter and not feed, but it’s the length I want you to picture.
My read: a bag of timothy or alfalfa hay from the rabbit aisle is just dried plant. But a hen isn’t built for it the way a rabbit is. Jacob says “Young, tender plants are a valuable source of nutrients for chickens, but chickens are not able to digest old, fibrous plants”. Long stems add a risk on top of that, though Maryland Extension says problems with the crop are rare. An article from Penn State says crop impaction “normally develops when a group of fibers get tangled together into a mass that is too big to pass from the crop to the esophagus”, and that it’s more common in birds with access to “long and tall grass, hay bale twine, or other similar materials”. Maryland Extension says it often comes from eating large amounts of poorly digestible material, grass and string among them.
My call: shake out the leafy bits from the bottom of the bag, chop them short, and count them as a treat. A whole flake is more long stem than I’d leave in reach. My guide to picking alfalfa for chickens makes the same call: the leafy bits of a flake, not a whole slab. Pick up the twine too. Penn State also says hens that went all winter without green plants are more likely to overdo it, so spring is when I’d be stingiest. If you’d rather give alfalfa in a form a hen can swallow, there’s how to make alfalfa meal for chickens.
Throw out anything musty. Merck says aspergillus molds “can proliferate and sporulate in feed and bedding”, and that “moldy bedding or ranges should not be used”.
Greens From the Rabbit’s Bowl: My Pick of the Four
The rabbit in the photo is doing it the easy way, with a white flower in its mouth and no bowl in sight. Here’s the good news for the hens. Colorado State lists leafy greens among the scraps you can feed, and my read is that much of Rabbit.org’s leafy list falls under that. Carrot tops and dandelion greens are on it. So are romaine and kale, and parsley too. If you keep a rabbit, the extra handful you just washed can go to the hens.
The two lists overlap on some of the worst ones. The rabbit list says ripe tomato fruit only, with “unripe and greens” toxic, and it warns “Not regular potato greens!” UC Davis tells you to avoid leaves from tomato and pepper, and from potato and eggplant, and says they can be toxic. Onions are out for both animals, going by Colorado State and the rabbit list, and Colorado State says to avoid rhubarb.
They don’t match everywhere, though. Corn is on the rabbit list’s avoid list because “rabbits cannot digest corn hulls”, and our checker rates corn a treat for hens. So a rabbit’s list isn’t a hen’s list. For anything you aren’t sure of, try our Can Chickens Eat It? food checker, or my list of what not to feed chickens.
Greens still count as treats, and putting them first is my call. Jacob warns that “excessive table scraps and greens can adversely affect egg production”, and also lists “Regularly adding green chops, lettuce, or other low nutrition ingredients to the diet” among the common mistakes. The time rules differ: Colorado State says no more than hens can finish in 5 to 10 minutes, and Jacob says 20. Either way, take away what’s left, and toss anything slimy from the bowl. Colorado State’s rule for scraps is “not salty or have citrus or are moldy”.
The Bag You Already Bought: Count the Days
Say you’ve got a bag and no rabbit. Feeding it down in “a few weeks” was the old page’s plan. Take a 25-pound bag over three weeks and that’s about 540 grams a day. Six hens eat 600 to 900 grams of feed a day at Alabama’s numbers, so most of what they ate would be rabbit feed.
At a treat share, the bag lasts a lot longer than that. Here’s my math for six hens at 60 to 90 grams a day, with no other treats at all:
- 3.5-pound bag: 18 to 26 days.
- 6.5-pound bag: 33 to 49 days.
- 20-pound bag: 101 to 151 days.
- 25-pound bag: 126 to 189 days.
- 50-pound bag: 252 to 378 days.
Now set those against how long feed keeps. Alabama says “the feed should be no older than 3 months”. Jacob says “Feed should not be stored for more than two months”, and UC Davis says 1 to 2. Those rules are written for hen feed, and using them for rabbit feed is my call. So three months is my outer limit, counted from the date on the bag. Purina’s rabbit feed is “formulated without preservatives”, and Kaytee says to “Use food within 30 – 45 days” once the bag’s open, and to refrigerate or freeze it for longer. Merck lists “prolonged feed storage, leading to degradation of vitamins and minerals” among the common problems in backyard flocks. Purina’s warning covers the rest: “Do not feed moldy or insect-infested feed to animals as it may cause illness, performance loss or death.”
So a fresh 3.5-pound bag fits every limit here. A fresh 6.5-pound bag clears three months but can run past Kaytee’s 30 to 45 days unless it’s in the fridge or freezer. A 50-pound bag never fits. By my math, six hens at a treat share get through about 12 to 18 pounds in three months. Keep that much, dry and away from rodents, and pass the rest to someone who keeps rabbits, like that crowd around the hopper in the photo. That’s who the bag was made for.
Don’t Stir It Into the Layer Feed
Keep it in its own dish. The hens in the photo are on a cage farm, which is nothing like your coop, but look at that long trough. The feed is the meal, and it stays plain. Alabama says “Complete feeds (along with clean water) are designed to be the sole source of nutrients”, and it tells you to “avoid mixing scratch grains with your complete feed. This only dilutes the nutrients your birds need.” That’s about scratch, not rabbit pellets, but my call is that the same logic holds. Jacob lists “Supplementing complete feeds with cracked corn, oats, or other grains” among the common mistakes.
Here’s what the old page’s 25 percent mix does, by my math from the labels. Three parts Layena to one part Purina’s rabbit feed takes calcium from 3.25 to 4.25 percent down to about 2.6 to 3.4. Jacob says laying mashes typically contain 2.5 to 3.5, so it’s still inside that range, but the low end drops under Alabama’s 3, and all of it sits under the 3.5 to 6 Merck gives for layer diets. Fiber’s ceiling climbs from 6.5 percent to nearly 10. A treat in a dish you can pick up. A mix in the feeder is what she eats all day.
To make room, the old page said “cut back a bit on regular chicken feed”. I’d do the opposite and keep the feeder full, because that’s where her eggshells come from. If your count’s down, my page on how many eggs a Rhode Island Red lays goes through what takes eggs off the count.
One more fix. It called for “insoluble grit like oyster shell”. Alabama says oyster shells are “composed of mostly calcium carbonate”, so that’s a calcium source, and grit is a separate thing. Alabama and UC Davis say hens on ground or pelleted feed alone don’t need grit, but Colorado State says a limited run needs “another grit source”. My call: if your hens get greens or chopped hay in a small run, set out a dish of grit.
Chicks Stay on Starter
The two in the photo are day-old chicks, and at that age the whole menu is starter. Further down, the old page told you to grind rabbit pellets for newly hatched chicks, then mix the powder into starter “to boost protein and fiber”. That one’s backward. Jacob’s table for commercial pullets has chick starter at 20 to 22 percent protein for the first six weeks, and UC Davis puts a backyard “Chick Starter (0-6 weeks)” at about 20. A rabbit pellet guaranteed at 14 to 16 percent pulls that number down. It adds fiber a young bird digests poorly, too.
Its rule that chicks can have whole pellets “By 4-6 weeks old” had no source I could find, so that’s gone as well. My call: no rabbit food for chicks, ground or whole. For a first treat, see my page on whether baby chickens can eat mealworms.
What I’d do
- Keep layer feed in front of the hens all day, and leave the rabbit food out of it.
- Count every bit of rabbit food toward the 10 to 15 grams per hen, along with any other treats.
- Reach for greens first. Then pellets, then a pinch of mix. Long hay comes last, and only chopped.
- Read the tag. If a rabbit feed says medicated or names a drug, keep it away from the flock.
- Do the days on your bag, and take off the time already gone since the date printed on it. Whatever six hens can’t finish inside three months, give away.
- Throw out anything moldy, musty or full of bugs.
- Keep it away from chicks.
Sources
- Pacheco and colleagues, Alabama Cooperative Extension, ANR-2913 (2022): Feeding the Laying Hen.
- Howard Enos, Colorado State University Extension: Raising Poultry the Organic Way, Disease Control and Feeding.
- Jacquie Jacob, University of Kentucky, poultry.extension.org: Feeding Chickens for Egg Production in Small and Backyard Flocks.
- Jacquie Jacob, University of Kentucky, poultry.extension.org: Basic Poultry Nutrition.
- Dr. Maurice Pitesky and Dr. Nancy Reimers, UC Davis: Feeding your Flock.
- Yuko Sato, Iowa State University, Merck Veterinary Manual (2024): Management of Backyard Poultry.
- Michelle Kromm and Megan Lighty, Merck Veterinary Manual (2024): Aspergillosis in Poultry.
- Penn State University, on The Poultry Site (2024): Crop disorders of chickens I: Crop impaction.
- Moyle and colleagues, University of Maryland Extension, EBR-60 (2021): Common Crop Issues in Backyard Chickens.
- Paige K Parsons, Rabbit.org: Best Vegetables for Rabbits: A Healthy Diet Guide.
- Purina: Complete Rabbit Feed.
- Purina: Layena Pellets 16% Layer Hen Feed.
- Kaytee: Fiesta Rabbit.
- Oxbow Animal Health: Essentials Adult Rabbit Food.
- U.S. Code of Federal Regulations, 21 CFR 558.55: Amprolium.
- U.S. Code of Federal Regulations, 21 CFR 558.311: Lasalocid.
- University of Kentucky Regulatory Services, a sample label: Custom Mix Rabbit Feed, Medicated, Lasalocid.
Sources checked November 1, 2026. Reading a plain pellet as a treat is my read of the labels, since I found no study of rabbit pellets in hens. So is the view that one matching protein number doesn’t make it the same feed, that bagged hay is just dried plant, and that much of a rabbit’s leafy list counts as hen food. Mine too: the ranking of the four, the calls on a pinch of mix, chopped leafy hay, grit in a small run, keeping rabbit food out of the feeder, using hen-feed limits for rabbit feed, keeping no more than three months’ worth and giving chicks none. The grams, ounces, days, pounds, mixed percentages and shares are my math from the numbers these sources print. We aren’t vets. If a bird looks sick, call a vet who sees poultry.
Related read: How to Raise Chickens for Eggs — Instant PDF download. Secure checkout by Stripe
