Can Chickens Eat Rabbit Alfalfa Pellets? A Treat, Not a Feed

Yes, chickens can eat plain rabbit pellets as a small treat. A pinch from the rabbit’s bag won’t hurt a hen. But they make a poor stand-in for layer feed. A typical alfalfa rabbit pellet carries an eighth to a third of the calcium a laying hen’s feed should, and a big share of it is fiber. And if the bag says MEDICATED, keep it away from the flock altogether.

This page used to say rabbits need far more protein and calcium than chickens do, and that a few spoonfuls of pellets a week help hens lay. The calcium part is backwards. In the alfalfa studies I read, laying either held steady or stopped. Some of them fed hens mostly alfalfa on purpose, to make them quit. So I rewrote the page from the feed labels and the research.

I worked from 22 sources, all listed at the bottom. The feed facts come from five rabbit feed labels plus a medicated feed tag kept by the University of Kentucky’s feed regulators. The drug rules come from two sections of the federal code and a 1995 notice in the Federal Register. The hen facts come from eight research papers, and the feeding rules from five extension and vet guides. Where something is my own math or my own call, I’ll say so.

The short version.

• Plain rabbit pellets are fine for your hens as a treat. I wouldn’t use them as feed.
• They’re built for rabbits: lots of fiber, and only a fraction of the calcium an eggshell needs.
• Hens fed mostly alfalfa quit laying. Egg researchers used that to put hens into a molt.
• MEDICATED rabbit feed is off limits. Its drug is labeled for young rabbits only, and it turns up in eggs.
• A hen’s whole treat share is 10 to 15 grams a day, about a third to a half ounce.
• The upside is real but small: a little alfalfa can deepen yolk color.

What’s Actually in a Bag of Rabbit Pellets

Most rabbit pellets are ground alfalfa or grass hay, pressed into little cylinders. Purina’s Complete Rabbit Feed says it right on the label: “First ingredient: Alfalfa”. Purina’s Professional and Show rabbit feeds say the same. Masterfeeds makes its 16% Rabbit Ration with “high quality alfalfa meal”. Oxbow’s Essentials Adult Rabbit goes the other way. Its “#1 ingredient is high fiber Timothy hay”.

Here’s what I found on each label, so you can compare.

• Purina Complete: protein at least 16%, fiber 17 to 20%, calcium 0.50 to 1.00%.
• Purina Professional: protein at least 18%, fiber at most 18.5%, calcium 0.65 to 1.15%.
• Purina Show: protein at least 16%, fiber at most 23%, calcium 0.50 to 1.00%.
• Masterfeeds 16% Rabbit Ration: protein at least 16%, fiber 12 to 15%, calcium 0.9%.
• Oxbow Essentials Adult Rabbit: protein at least 14%, fiber 25 to 29%, calcium 0.35 to 0.75%.

Now look at who these are made for, because that tells you most of the story. Purina calls its Complete pellets “100% complete daily nutrition” and tells you to feed an adult rabbit “approximately 1/2 ounce of this product per pound of body weight per day”. Oxbow says to feed its pellets “in addition to unlimited grass hay”. A rabbit’s whole diet runs on fiber. Your laying hen has a different job. She’s building eggshells.

Rabbit Pellets Next to a Layer Ration

Alabama Cooperative Extension’s guide to feeding laying hens gives the targets for a layer diet: “Protein 16% or more” and “Calcium 3% to 4%”. So protein isn’t the problem. Four of the five rabbit labels above guarantee 16 percent or better, and I’d stop worrying about it.

Calcium is where you see the gap. Purina Complete runs 0.50 to 1.00 percent. Against a layer target of 3 to 4 percent, that’s an eighth to a third of the calcium a hen’s feed should carry (my math). Oxbow’s timothy pellets are lower still, at 0.35 to 0.75 percent.

The same guide says why that matters: “The eggshell is composed of around 96 percent calcium carbonate.” Its advice for a small flock is “the correct amount of a complete feed as the sole source of nutrients for the birds”. A rabbit pellet is a complete feed for a rabbit. For your hen, it’s a snack.

Then there’s the fiber. These labels run from 12 to 29 percent crude fiber. Researchers at Texas A&M describe alfalfa as “an insoluble, high fiber feedstuff with low metabolizable energy”. Jacquie Jacob of Poultry Extension writes that chickens “adjust their feed intake” to meet their energy needs. On a low-energy feed, a hen tries to eat more. On a feed that bulky, she can’t keep up, and you’ll see what happens in the next section.

Why an Alfalfa-Heavy Diet Shuts the Nest Box

Egg farms sometimes molt a flock to rest the hens between laying cycles. The most common way was to pull their feed for several days. That method “has come under scrutiny due to food safety issues and animal welfare issues”, in the words of one of the papers below. So a group at Texas A&M tested alfalfa as a gentler way to get the same result. It worked.

K. L. Landers and co-authors fed hens alfalfa meal or alfalfa pellets alone. Both were “equally effective as feed withdrawal in causing ovary weight regression in birds”. In plain words, the hens’ ovaries shrank about as much as if they’d been taken off feed.

L. M. Donalson and co-authors then mixed alfalfa with layer feed, from straight alfalfa down to 70 percent alfalfa with 30 percent layer ration. “Egg production for A90 and FW treatments ceased completely by d 6, whereas birds fed A100 and A70 ceased egg production by d 8.” Even the hens getting nearly a third of their feed as layer ration stopped laying within eight days. They lost weight too, though less than the hens with no feed at all. “Hens molted by FW lost an average of 25.8% BW, whereas A70 hens lost 18.9% BW.”

A 2007 study from the same group, by W. K. Kim and co-authors, found the same thing. “The hens fed alfalfa-based molt diets and FW stopped laying eggs within 5 d after molt started”.

One honest caveat. These were molt programs, and a molt program changes more than the feed. In a 2008 bone study from that group, even the full-fed control hens “were also subjected to light restriction”. So shorter days were part of the program too. I’m not saying a few pellets will stop your hens. I’m saying a hen living on alfalfa pellets is eating what egg researchers used as a molt diet.

That’s the part that matters for your backyard flock. If a hen goes off lay, feed is one of the first things I’d look at. And if you run out of layer feed and the feed store’s closed, a day of something else won’t wreck anything. But don’t let the rabbit’s bag turn into the chickens’ main feed.

Check the Tag for One Word: Medicated

Some rabbit feed has a drug mixed in, and you won’t know unless you read the tag. The University of Kentucky’s feed regulators keep a sample tag for a “Custom Mix Rabbit Feed” with MEDICATED printed across the top. The drug is lasalocid: “This feed contains 113 grams per ton (0.0125%) of Lasalocid.” It’s there to prevent coccidiosis caused by Eimeria stiedae in young rabbits.

The tag doesn’t mince words. “WARNING: For rabbits (up to 6.5 weeks of age) only.” Then: “CAUTION: The safety of Lasalocid for use in unapproved species has not been established.” It also warns to keep horses away from it, since “ingestion may be fatal”.

The federal rule matches the tag. The lasalocid section of the feed drug regulations, 21 CFR 558.311, allows it in rabbit feed “up to 6 1/2 weeks of age”. FDA added that rabbit use in 1995, according to the Federal Register. The rule’s chicken uses are for broiler and fryer chickens. Laying hens aren’t on the list.

Then there’s 21 CFR 530.11, the rule on using animal drugs off-label. Among the uses that “are not permitted”, it lists “Extralabel use of an approved new animal drug or human drug in or on an animal feed”. Feeding hens a medicated rabbit ration on purpose falls right into that line.

Here’s why it matters for your eggs. A Belgian team, V. Vandenberge and co-authors, gave laying hens feed carrying between 2.5 and 10 percent of a broiler’s dose of lasalocid. That’s the sort of carry-over a feed mill can leave behind. They found “High lasalocid concentrations, which exceeded the maximum residue level” in whole eggs, and “the highest concentrations were measured in egg yolk”. On that feed, residues built for about a week before leveling off at days 7 to 9.

I ran that against a treat-sized share. If medicated pellets were a tenth of a hen’s food, her whole day’s diet would carry about 11 grams of lasalocid a ton (my math). The US rule sets broiler doses at 68 to 113 grams a ton. So a treat-sized share puts her at roughly a tenth of the top broiler dose, the same kind of fraction the Belgian hens got.

I want to be fair to the other side here. A European Food Safety Authority review of feed cross-contamination found that residues “may occur in the liver and eggs in some cases”, while what consumers took in stayed under the acceptable daily intake. It concluded that cross-contamination “would not be expected to adversely affect the health of consumers”. But that’s about stray traces from a feed mill, not a medicated bag poured into the feeder. And it doesn’t change what the tag and the federal rule say.

None of the five plain labels I read lists a drug, so a medicated bag is something you’d have to buy on purpose. Read the tag anyway. Medicated chick starter is a separate question with a different drug, and I went through it on the medicated vs. non-medicated chick starter page.

The Good Part: Alfalfa Can Darken Yolks

I don’t want you thinking alfalfa is bad for hens. In a small share, it isn’t. V. Laudadio and co-authors in Italy swapped soybean meal for alfalfa meal at 15 percent of the diet, and fed it to young ISA Brown layers for 10 weeks. “Egg production and none of the egg-quality traits examined were influenced by dietary treatment, except for yolk color”. The yolks came out deeper in color, with more β-carotene.

There’s a catch. Their alfalfa was a special low-fiber meal, made “by a combination of sieving and air-classification processes”. That’s not the whole-plant alfalfa in a rabbit pellet.

A 2026 study from Belgium, by A. Hamim and co-authors, mixed 10 percent alfalfa-based dehydrated silage pellets into a commercial diet for four weeks. “Laying rate was similar in both groups”, and “Yolk colour intensity was significantly increased”.

But notice the amounts. In both trials alfalfa was 10 to 15 percent of the hens’ diet, and the rest was a full hen ration. That’s a long way from a hen filling up on rabbit pellets. If you like a darker yolk, a little alfalfa is one way to get there, as long as it stays little.

How Much Counts as a Treat

Colorado State University Extension’s rule is “Treats should make up no more than 10% of their daily diet”. Alabama Extension says a laying hen eats “between 100 and 150 grams of feed per day or roughly 0.25 pounds”. So your hen’s treat share is 10 to 15 grams a day, about a third to a half ounce (my math). That’s every treat together. It’s not 10 to 15 grams of rabbit pellets on top of the scraps and scratch.

If you keep 10 hens, that’s 100 to 150 grams a day in all. Weigh one scoop of pellets on a kitchen scale once, and you’ll know what a scoop is worth from then on.

Colorado State also says, “Do not feed more than can be consumed in 5 – 10 minutes to not attract nuisance animals”. And it says to make sure birds “have free access to grit and a calcium source like oyster shell or eggshells”. If rabbit pellets show up in their day often, keep that oyster shell out where they can get it.

The Merck Veterinary Manual’s backyard poultry page lists “dilution of balanced and nutritionally complete rations with scratch or supplemental feed” among the common problems in backyard flocks. UC Davis puts it plainly: “treat the scraps like a treat not like the main course”. I’d put rabbit pellets in that same treat pile.

If Your Hens Raided the Rabbit’s Bowl

If your hens cleaned out a bowl of plain rabbit pellets, there’s nothing to fix. Count it as that day’s treats and skip the scraps.

If it was medicated feed, take it away now. Lasalocid is approved in broiler feed at up to the same 113 grams a ton, so it’s a drug chickens do get. The open question is the eggs. The rabbit tag says nothing about them, because hens aren’t on it. Call your vet and ask how long to hold the eggs back.

The better fix, in my book, is keeping the two feeds apart. Feed the rabbit where the hens can’t reach its bowl. Keep the rabbit’s bag closed and stored away from the coop’s feed, so nobody fills the wrong feeder in the dark on a winter morning.

What I’d do

• Keep a complete layer feed as the hens’ main food.
• Count plain rabbit pellets as a treat, inside the 10 to 15 grams a hen gets a day.
• Never give hens a bag marked MEDICATED, and store it where they can’t get at it.
• If they ate medicated feed, take it away and ask a vet about the eggs.
• Feed the rabbit where the hens can’t reach.
• If pellets end up in their day often, keep oyster shell out.

For the foods that never go in the run, see what you shouldn’t feed chickens.

Sources

• Purina Animal Nutrition: Purina Complete Rabbit Feed.
• Purina Animal Nutrition: Purina Professional Rabbit Feed.
• Purina Animal Nutrition: Purina Show Rabbit Feed.
• Masterfeeds: 16% Rabbit Ration (pellet).
• Oxbow Animal Health: Essentials Adult Rabbit Food.
• University of Kentucky Regulatory Services: Custom Mix Rabbit Feed, Medicated (lasalocid) sample label.
• Electronic Code of Federal Regulations: 21 CFR 558.311, Lasalocid.
• Electronic Code of Federal Regulations: 21 CFR 530.11, Limitations.
• Federal Register: New Animal Drugs for Use in Animal Feeds; Lasalocid (November 24, 1995).
• V. Vandenberge and co-authors: Transfer of the coccidiostats monensin and lasalocid from feed at cross-contamination levels to whole egg, egg white and egg yolk (Food Additives and Contaminants Part A 29(12), 2012).
• J. L. Dorne and co-authors: Risk assessment of coccidostatics during feed cross-contamination: animal and human health aspects (Toxicology and Applied Pharmacology 270(3), 2013).
• K. L. Landers and co-authors: Alfalfa as a single dietary source for molt induction in laying hens (Bioresource Technology 96(5), 2005).
• L. M. Donalson and co-authors: Utilizing different ratios of alfalfa and layer ration for molt induction and performance in commercial laying hens (Poultry Science 84(3), 2005).
• W. K. Kim and co-authors: Molt performance and bone density of cortical, medullary, and cancellous bone in laying hens during feed restriction or alfalfa-based feed molt (Poultry Science 86(9), 2007).
• W. K. Kim and co-authors: The effects of alfalfa-based molt diets on skeletal integrity of white leghorns (Poultry Science 87(11), 2008).
• V. Laudadio and co-authors: Low-fiber alfalfa (Medicago sativa L.) meal in the laying hen diet: effects on productive traits and egg quality (Poultry Science 93(7), 2014).
• A. Hamim and co-authors: Alfalfa-Based Dehydrated Silage Pellet as a Source of Nutrients in Laying Hens: I. Effects on Animal Performance and Egg Quality (Veterinary Medicine and Science 12(2), 2026).
• Wilmer Pacheco and co-authors, Alabama Cooperative Extension: Feeding the Laying Hen (ANR-2913).
• Colorado State University Extension: Raising Poultry the Organic Way: Disease Control and Feeding.
• Jacquie Jacob, Poultry Extension: Feeding Chickens for Egg Production in Small and Backyard Flocks.
• Yuko Sato, Merck Veterinary Manual: Management of Backyard Poultry.
• Maurice Pitesky and Nancy Reimers, UC Davis: Feeding your Flock.

Related read: How to Raise Chickens for Eggs — Instant PDF download. Secure checkout by Stripe