What to Feed Backyard Chickens: How Much & When (Beginner’s Guide)

Quick Chicken Feeding Summary

What Do Backyard Chickens Actually Need to Eat?

I kept my first three hens in a converted dog run behind our house in Knoxville, Tennessee, back in the spring of 2018. Zone 6b. I had no idea what to feed backyard chickens. I gave them table scraps, some cracked corn I grabbed at the local Tractor Supply, and whatever bugs they scratched up in the yard. By July, two of my three hens had soft, thin eggshells and one had stopped laying entirely.

That summer taught me more about backyard chicken feed than any blog post could. I talked to the folks at the UT Extension office and spent a couple of hours at our local Southern States co-op asking what felt like embarrassingly basic questions. What I learned changed everything.

So if you’re searching for what to feed backyard chickens, what do backyard chickens eat, or you’re just getting started with your first few birds, this guide is built from real experience and real mistakes. The best feed for backyard chickens isn’t always the priciest bag at the farm store. And what chickens eat in your backyard depends on your region, your flock’s age, the season, and how much time you’ve actually got.

Whether you’re hunting for a complete backyard chicken feeding guide, trying to figure out what to feed chickens at home on a budget, or you want to fine-tune a flock you’ve had for years, this covers it. This is the backyard chicken diet breakdown I wish someone had handed me on day one.

What should I feed my backyard chickens? Let’s start at the beginning.

Why Backyard Feeding Differs From Commercial Poultry

Commercial laying operations run on precisely calibrated, high-density formulas. Every calorie is calculated for maximum output. Your backyard flock is different. They’re out in the yard pecking at grass, finding bugs, scratching through leaves, and sometimes just standing in the sun doing absolutely nothing productive.

That foraging behavior matters nutritionally. A hen who free-ranges in a healthy yard can pull a meaningful percentage of her daily protein from insects. The feeding strategy for a backyard hen in rural Georgia isn’t identical to what a commercial operation uses, and it doesn’t need to be.

The challenge is that most first-time keepers either under-supplement (no calcium, no grit) or over-supplement (too many treats, not enough complete feed). Both create problems that show up slowly, which makes them easy to miss until something goes noticeably wrong.

The 6 Core Nutrients Every Backyard Chicken Needs

Protein drives feather growth, egg production, and muscle maintenance. Laying hens need about 16–18% protein daily. Chicks need even more, around 18–20%, during those first eight weeks.

Calcium is the one that bites backyard keepers hardest. A laying hen pulls massive amounts of calcium to form eggshells. Without enough, she starts pulling it from her own bones. Soft shells and weak legs follow.

Phosphorus works alongside calcium for bone integrity. The ratio matters, and most good commercial layer feeds have it dialed in correctly.

Carbohydrates provide energy. Scratch grains and cracked corn are carbohydrate-heavy. Fine as treats, but a hen who fills up on scratch won’t eat enough complete feed to meet her other nutritional needs.

Fats support cold-weather energy reserves and fat-soluble vitamin absorption (A, D, E, and K). Free-ranging hens in good pasture pick up natural fats from insects and seeds.

Vitamins and trace minerals including Vitamin D, Vitamin A, selenium, and zinc round out what a chicken truly needs. A good complete feed covers most of these without extra supplementation.

How Climate Affects Backyard Chicken Feeding

A flock in Phoenix, Arizona running through 110-degree August days burns energy differently than one in upstate New York managing January snowstorms. Heat stress suppresses appetite. Cold weather increases caloric demand.

In Florida and along the Gulf Coast, summer feeding means keeping feed fresh and avoiding moisture buildup. Mold grows fast in high humidity. In the Upper Midwest and New England, winter feeding means more carbohydrates to help birds generate body heat, plus careful attention to water so it doesn’t freeze overnight.

In the Pacific Northwest, wet conditions make mold in feed storage a recurring issue. In parts of the Southeast and Texas, fire ants get into ground-level feeders, which means feeder placement matters more than most guides ever mention.

Local USDA Cooperative Extension offices, like those through Penn State, Texas A&M AgriLife, the University of Florida IFAS, UC Cooperative Extension, and Ohio State Extension, publish free, region-specific poultry guides. They’re written by people who actually understand your climate. Use them.

Understanding Nutritional Requirements

Getting Protein, Calcium and Carbohydrates Balanced

Think of complete feed as the foundation and everything else as topping. If more than 10% of your flock’s daily intake comes from treats, scratch, or scraps, you’re probably throwing off the nutritional balance.

Layer pellets for chickens typically run 16–18% protein. Chick starter runs 18–22%. Grower feed sits around 16–18% with lower calcium than layer. Calcium needs for laying hens run roughly 4 grams per day and increase in summer heat when shell quality tends to drop. The calcium-to-phosphorus ratio should sit around 2:1 for laying hens. Most commercial layer feeds hit this naturally. When people start mixing their own feeds without guidance, this ratio is usually where things go sideways first.

Water — More Than You Think

A laying hen in moderate temperatures drinks roughly a pint of water daily. In Texas, Tennessee, or Florida summer heat, that can double. Water is directly tied to egg production. A hen who runs low on water stops laying before she shows any other obvious stress sign.

In cold-climate states like Minnesota, Iowa, Wisconsin, and the Dakotas, heated waterers aren’t a luxury. A flock without access to liquid water will drop production sharply and can dehydrate even in freezing conditions.

Signs of Nutritional Deficiency

Soft or shell-less eggs point to calcium deficiency. Feather pecking among flock members often traces to protein or methionine deficiency, which is more common than people realize. Scratch-heavy and scrap-heavy diets are frequently methionine-poor. Increasing protein by supplementing with dried mealworms and pulling back on scratch often reduces feather pecking within a couple of weeks.

Lethargy, pale combs, and reduced laying without obvious illness can all trace back to nutritional shortfalls. Before calling a vet, evaluate what your hens are actually eating for a few days. The answer is often there.

How to Read a Chicken Feed Label

What the Guaranteed Analysis Tells You

Every commercial feed bag carries a guaranteed analysis. You’re primarily looking at crude protein (minimum), calcium (minimum and maximum), and phosphorus (minimum). Layer feed should show calcium minimums around 3.5–4.5%. If a bag is labeled for layers but calcium sits below 3%, look more carefully at what it’s actually formulated for.

The ingredient list runs from highest to lowest weight. Corn, soybean meal, and wheat byproducts tend to top most mainstream feeds. Look for specific protein sources rather than vague byproduct terms if you want a cleaner ingredient deck.

Complete Feed vs. Supplement — What the Labels Actually Mean

A complete feed is formulated to meet all of a chicken’s nutritional needs as the sole food source. If a bag says “complete,” you shouldn’t need to add anything except water and grit.

Scratch grains and treats are not complete feeds. Scratch is essentially a candy bar for chickens. High in carbohydrates, low in almost everything else. Fine as a cold-weather evening treat, not a diet foundation.

Do Organic and Non-GMO Labels Matter

Organic feed avoids synthetic pesticides and GMO ingredients with a nutritional profile typically comparable to conventional feed, at 30–50% higher cost per bag. If you’re selling eggs marketed as organic, the certification matters for compliance. For a household flock, it comes down to personal preference. In my experience, foraging quality (real outdoor access, diverse plants, bugs) made more difference in egg quality than the feed certification.

Best Feed Types for Backyard Chickens

Pellets vs. Crumbles vs. Mash

All three forms contain the same nutritional content in most brands. Pellets are easiest to handle and produce the least feeder waste, best for adult standard-breed hens. Crumbles are broken-down pellets, smaller and easier for bantams and young pullets. My smaller breeds consistently prefer them over full-size pellets. Mash is loose and unprocessed, generates more waste, and can compact when wet. If you’re fermenting feed, mash is the most practical starting point.

Fermented Feed — Real Benefits, Simple Process

Fermented feed increases nutrient bioavailability, introduces beneficial lactobacillus bacteria, and can reduce overall feed consumption by 20–30% because fermented feed is more digestible.

To make it: cover dry feed with dechlorinated water in roughly a 1:2 ratio (feed to water), cover loosely with cloth, and let sit at room temperature for 3–5 days, stirring daily. Ready when it smells pleasantly sour like sourdough, not rotten. Feed as a wet mash and remove uneaten portions within a few hours in warm weather.

What to Feed at Every Life Stage

Baby Chicks (0–8 Weeks)

Chick starter only. No scratch, treats, or scraps during this window. The starter is carefully formulated for rapid growth and lower in calcium, which matters because chick kidneys can’t process high calcium loads. Offer chick grit (very fine) only if you’re feeding anything other than starter. Fresh, clean water from day one, with poultry vitamins added for the first few days after shipping.

Pullets (8–20 Weeks)

Transition to pullet grower or developer feed at roughly 15–16% protein with lower calcium than layer feed. An all-flock or flock raiser feed works well through this period with free-choice oyster shell added when laying begins. Don’t rush pullets onto layer feed before they’re actually laying, typically between 18 and 24 weeks depending on breed. Excess calcium before laying begins can cause kidney stress.

Laying Hens — Daily Routine That Works

Layer pellets or crumbles at 16–18% protein form the backbone. Oyster shell offered free-choice in a separate container is non-negotiable. Hens regulate their own calcium intake based on individual need and laying frequency.

A daily routine that works for my Zone 6b flock in Tennessee:

• Morning: check water, top off feed
• Midday in summer: check water again
• Late afternoon: scatter a small handful of scratch or a few mealworms
• Evening: confirm everyone’s in the coop, collect late eggs

Roosters, Molting Hens and Retired Birds

Roosters in mixed flocks are stuck eating whatever the hens eat. Long-term excess calcium from layer feed isn’t great for them. Offer oyster shell separately, not mixed in. Roosters generally won’t touch it.

During molt, which typically hits in fall for most North American flocks, increase protein. Dried black soldier fly larvae, mealworms, or a switch to flock raiser at 20% protein supports feather regrowth. Pull back on scratch. Hens don’t lay during peak molt, which is normal.

Older retired hens and pet chickens who aren’t laying don’t need layer feed’s high calcium load. An all-flock maintenance feed at 16–18% protein works better for them.

How Much to Feed Per Day

Daily Feed Amounts by Bird Type

These are averages. Real intake shifts with weather (more in cold, less in heat), season, laying rate, and how much hens forage outside.

Free-Choice vs. Scheduled Feeding

Free-choice feeding (keeping a feeder full at all times) is the most common approach for small backyard flocks and works well because hens eat most actively after coming off the roost and again before roosting. Having feed available through those peak windows matters.

The downside of free-choice is attracting rodents and wild birds if the feeder isn’t designed thoughtfully. Treadle feeders that only open when a chicken steps on them reduce pest access considerably and are worth the upfront cost especially in urban and suburban neighborhoods.

Scheduled twice-daily feeding works fine and gives better visibility into how much your flock is actually consuming. It also reduces overnight pest attraction if you pull the feeder in at dusk.

Safe Foods, Toxic Foods and Supplements

Best Kitchen Scraps and Natural Foods

The safe list is long. Vegetables they love: leafy greens (kale, spinach, Swiss chard, lettuce), cooked or raw squash, cucumbers, cooked sweet potatoes, peas, broccoli, and most root vegetables. Fruits they enjoy: watermelon (they go absolutely wild for this in summer across every Southern state I’ve seen), berries, apple chunks without seeds, halved grapes, and banana. Plain cooked oatmeal is a consistent flock favorite. Cooked eggs are nutritionally excellent and won’t encourage egg-eating as long as they’re cooked.

What NOT to Feed Backyard Chickens

• Avocado: Skin, pit, and flesh contain persin, toxic to birds and potentially fatal even in small amounts. Keep away from the flock entirely.
• Onions in quantity: Thiosulfate compounds cause hemolytic anemia.
• Chocolate: Theobromine and caffeine are toxic to most animals including chickens.
• Raw dried beans: Contain hemagglutinin, harmful to chickens. Cooked beans are fine.
• Green potato skins and green tomatoes: Solanine toxicity. This catches gardeners off guard because they assume garden produce is always safe.
• Heavily salted food: Salt toxicity is real in birds.
• Moldy or spoiled feed: Certain molds, particularly Aspergillus species on grain, produce aflatoxins that are seriously harmful to poultry. If feed smells musty or shows visible mold, throw it out.

Common toxic garden plants: nightshade, rhubarb leaves, foxglove, oleander, yew, rhododendron, azalea, and lantana all appear in suburban yards across the US South and Pacific Coast and are toxic to chickens. Daffodil, hyacinth, and iris bulbs are also hazards for hens who scratch in flower beds.

Oyster Shell, Grit and Healthy Treats

Oyster shell goes in a separate small container next to the main feeder. Never mixed into feed. Active layers take more. Non-laying hens take very little. They self-regulate.

Grit is how chickens digest whole grains, seeds, and fibrous plant material since they have no teeth. Hens who free-range on natural soil with small stones can source their own. Hens in runs without soil access need supplemental grit free-choice or scattered in the run weekly.

Dried black soldier fly larvae (BSFL) are arguably the best treat nutritionally, with higher calcium than mealworms and a more balanced amino acid profile. The 10% rule applies: treats shouldn’t exceed 10% of daily intake regardless of how nutritious they are.

Seasonal Feeding Across US Regions

Winter across Northern states (Minnesota, Wisconsin, Montana, Maine, Michigan, Ohio, Pennsylvania): maintain complete feed free-choice throughout the day. Offer cracked corn in the evening before roost. Corn metabolizes slowly and generates body heat overnight. A flock in upstate New York in January needs more caloric support than the same flock in June even if they’re producing fewer eggs. Heated waterers are necessary, not optional.

Summer across Southern states (Florida, Texas, Louisiana, Georgia, Alabama, Mississippi, Arizona): feed during cooler morning and late evening hours. Freeze treats to cool birds and encourage eating. Keep water ice-cold, in shade, and refreshed frequently. Electrolyte packets help during genuine heat stress events when hens are panting with spread wings. Pull back on scratch, which generates metabolic heat.

Spring: The easiest feeding season in most US climates. Foraging picks up dramatically as insects hatch and greens return. Flocks with good pasture access genuinely eat less commercial feed, and that’s normal and efficient. If body condition is good and production is strong, lower spring feed intake is not a problem.

Fall: Nutritionally complex. Days shorten, molt begins, temperatures drop. Increase protein during molt, pull back on scratch, and start warming up the scratch game in the evenings as temperatures fall.

Food Safety — What Every US Keeper Needs to Know

CDC Guidelines for Backyard Chicken Keepers

Backyard chickens naturally carry Salmonella in their digestive tracts without showing illness. Feed contaminated with fecal matter and waterers not cleaned regularly harbor and transmit bacteria. The CDC tracks backyard poultry-associated Salmonella outbreaks annually and consistently links them to contact with birds, eggs, and flock environments.

Core guidance: wash hands thoroughly with soap and water after handling birds, eggs, feeders, or anything in the chicken area. Hand sanitizer alone isn’t sufficient. Don’t bring chickens indoors. Don’t eat or drink in the chicken area. Children under 5, elderly adults, pregnant people, and immunocompromised individuals face higher risk. Refrigerate eggs promptly after collection.

Waterers should be rinsed daily and fully scrubbed weekly, twice weekly in summer. A dilute bleach solution (1 tablespoon unscented bleach per gallon of water) sanitizes effectively. Rinse thoroughly before refilling. Residual bleach can harm birds.

Feeders, Storage and Keeping Pests Out

Feeder Types Compared

Treadle feeders represent the best all-around option for most US backyard setups, especially in urban neighborhoods where rodent and wild bird attraction can create neighbor conflicts or ordinance issues.

Feed Storage and Pest Management

Metal garbage cans with bungee-secured lids hold one 50-pound bag comfortably and exclude rodents. Rodents can chew through plastic bins given enough time and motivation. Place containers on a wooden pallet to prevent floor condensation from transferring moisture upward.

In humid climates (Gulf Coast, Southeast, Pacific Northwest) check feed more frequently for mold. Buy feed with the freshest mill date available and rotate stock. Feed older than three months past mill date loses meaningful vitamin potency.

Feeding on a Budget Without Sacrificing Health

Feed is usually the biggest monthly expense but it’s far from the only one — before you scale up your flock, it’s worth reading about the hidden costs of backyard chickens that most beginner guides quietly skip over.

Realistic Monthly Feed Costs

Return in eggs: 4–6 laying hens at peak production can generate 5–7 dozen eggs per month. At $4–6 per dozen at retail, that’s $20–42 in monthly egg value, which covers feed costs for most small flocks.

How to Cut Costs Without Cutting Nutrition

Buy larger bags. A 50-pound bag costs significantly less per pound than a 25-pound bag almost everywhere in the US. Use an all-flock feed with separate oyster shell to eliminate juggling multiple feed types. Route kitchen scraps (vegetable trimmings, fruit scraps, plain cooked grains) to the flock before the compost bin. Shop farm co-ops like Southern States, Cenex, and Landmark over chain pet stores. Co-op house brands are often formulated by the same manufacturers as name brands at lower price points.

Expand foraging access where your property allows it. A hen who genuinely free-ranges eats less commercial feed. In a rural Ohio yard with good pasture in July, a flock of 10 eats noticeably less than the same flock in February with no foraging to speak of.

Common Questions about Feeding Backyard Chickens

What Feeding Your Flock Actually Comes Down To

After years of doing this, including that humbling summer in Knoxville when I learned the hard way what backyard chicken feeding should actually look like, the core isn’t complicated. Good complete feed matched to your flock’s life stage. Clean, consistent water. Oyster shell and grit free-choice. Sensible treats that supplement rather than replace. Attention to seasonal shifts, regional conditions, and what individual birds are showing you.