Active Daily Care Eat Smart Health Hacks Recommended
About Contact The Library

8 Best Feed For Poultry | Shell Strength Starts With Calcium

Our readers keep the lights on and my smoothie glass nicely filled. As an Amazon Associate, I earn from qualifying purchases.

Specs are compiled from manufacturer listings and verified buyer reviews and can change over time — please confirm the key details on the product page before buying.

Picking the wrong feed means cracked eggs or stunted birds, and the mistake usually starts with ignoring the protein percentage and the calcium source on the bag. This guide focuses on the numbers that decide your results: protein for growth, calcium for shell strength, and a grain base your flock will actually eat. The right feed directly determines eggshell strength and flock health.

I’m Mohammad Maruf — the founder and writer behind WellFizz. This guide is built by comparing the manufacturers’ published specifications and the patterns across verified customer reviews, so you get each pick’s real strengths and trade-offs instead of marketing spin.

The best feed for poultry for your coop depends on your birds’ age and job — layers, broilers, or a mixed backyard flock each need a different protein level to thrive, not just tolerate, their ration.

Our Picks at a Glance

KAYHEN Dried Black Soldier Fly Larvae
Best OverallKAYHEN Dried Black Soldier Fly Larvae4.8★886 ratingsThe treat that turns feeding time into a stampede, with a 45% protein punch for stronger layers. This is the pick for keepers who want maximum nutrition per scoop.Check Price on Amazon
Funtacfarm Dried Black Soldier Fly Larvae
Best ValueFuntacfarm Dried Black Soldier Fly Larvae4.7★909 ratingsA crispy, aromatic 10-pound protein treat that turns your flock into eager beggars.Check Price on Amazon
Scratch and Peck Feeds Grower Mash
Whole GrainScratch and Peck Feeds Grower Mash4.7★874 ratingsA fermentable whole-grain mash that looks like real food, because it is. This is the pick for the organic purist who reads every ingredient label.Check Price on Amazon

How To Choose The Best Feed For Poultry

Match the feed to your birds’ age and purpose before buying. Chick starter builds bone and feather; layer ration fuels egg production—they are not interchangeable.

Match Protein To The Bird’s Life Stage

Young chicks need a higher protein starter, typically around 18%, to support rapid muscle and skeletal growth. Once your hens reach laying age — usually around 16 to 18 weeks — you switch to a layer formula with slightly lower protein but a much higher calcium content. Feeding a layer ration to chicks can cause kidney problems, while feeding a starter to layers means soft-shelled eggs.

Calcium Is The Eggshell Decider

Calcium is the most critical mineral for laying hens. Low calcium leads to thin, fragile shells that crack easily. Complete layer feeds include added calcium, often with oyster shell for extra shell strength.

Quick Comparison

Model Best For Protein Form Bag Size Amazon
KAYHEN Dried Black Soldier Fly Larvae★ Best Overall High-calcium treat for layers 45% Dried Larvae 10 lb Amazon
Funtacfarm Dried LarvaeBest Value Protein-rich training treat 45% Dried Larvae 10 lb Amazon
Scratch and Peck Grower MashWhole Grain Organic whole-grain grower 17% Mash 10 lb Amazon
Waggin’ Train Layena Pellets Complete layer feed Pellet 25 lb Amazon
Purina Start & Grow Crumbles Medicated chick starter 18% Crumbles 25 lb Amazon
Prairie’s Choice Layer Crumble Non-GMO layer maintenance 16% Crumble 25 lb Amazon
Hatortempt Black Soldier Fly Larvae Eggshell-strengthening treat 40% Dried Larvae 10 lb Amazon
Purina Layena+ Omega 3 Omega-3 enriched egg production Pellet 40 lb Amazon

In‑Depth Reviews

★ Best Overall

1. KAYHEN Dried Black Soldier Fly Larvae

Our pick — over 4.5★ from 850+ verified ratings; the strongest balance of quality and price.

45% ProteinNon-GMO

The treat that turns feeding time into a stampede, with a 45% protein punch for stronger layers.

This is the pick for keepers who want maximum nutrition per scoop. At 45% protein, these dried black soldier fly larvae deliver a huge boost compared to the 17% you get in a standard grower mash — a roughly 2.6x gap that shows up in feather condition and egg output. It’s a treat, not a complete ration, so you’ll still need a balanced layer feed as the base, but as a supplement it does heavy lifting.

The calcium story here is the headline. The maker claims at least 85x more calcium than dried mealworms, which is exactly what your laying hens need for hard shells. Buyers report better egg production and bigger yields after switching, and the non-GMO, pure natural sourcing keeps the ingredient list clean. The resealable zip-top bag means you can keep a 10-pound stash without a fridge.

Owners mention: “KAYHEN Dried Black Soldier Fly Larvae (10LB) is an effective, non-GMO feed option that chickens and other farm animals love, providing an excellent source of calcium and nutrition.” The one thing to know: once you open the bag, the smell is decidedly earthy — your birds will adore it, your nose may not. The crowd favorite here holds a 4.8-star average across 800+ ratings, and the thing everyone raves about is quality, with value for money running a close second.

Why the flock lines up

  • 45% protein — far above any grain-based grower
  • At least 85x more calcium than dried mealworms for shell strength
  • Non-GMO and pure natural with a resealable bag

Worth knowing

  • Strong earthy odor once the seal is broken
  • It is a supplement, not a complete daily ration

Reach for this if: you want a high-protein, high-calcium treat that visibly improves laying performance.

Look elsewhere if: you need a single complete feed and have no interest in mixing a supplement on top.

Best Value

2. Funtacfarm Dried Black Soldier Fly Larvae

10 lb BagAdditive-Free

A crispy, aromatic 10-pound protein treat that turns your flock into eager beggars.

This alternative black soldier fly larvae bag matches the top pick’s 45% protein, so it earns its place beside the KAYHEN for flocks that need serious feather and egg support. The addition here is the bulk value — a 10-pound bag that owners consistently describe as the best deal they’ve found, especially compared to local feed store prices.

What wins people over is the quality of the larvae themselves. Customers note the worms arrive whole rather than crushed and dusty, with a crisp, microwaved-dried texture and an aroma that has chickens sprinting the moment they hear the bag. The maker backs it with a 100% refund promise if your flock is somehow unsatisfied, and the sealed bag with a thick outer carton keeps the contents intact during shipping.

There is a touch of honesty in the reviews — an occasional dried leaf or piece of debris shows up in the bag, but owners shrug it off as trivial next to the price and quantity. The brand advertises 86x more calcium than dried mealworms, and the 45% protein makes it a strong pick for molting birds or anyone training chickens to come when called. It holds a 4.7-star average across 900+ ratings, making it among the most-reviewed feed options here.

What owners praise most

  • 45% protein and 86x the calcium of mealworms
  • Whole, crispy larvae with no crushing or dust
  • Strong value versus local farm supply pricing

The small print

  • Occasional plant debris appears in the bag
  • Works best as a supplement, not a complete feed

The verdict: the choice for budget-minded keepers who want top-shelf protein volume without the boutique markup.

Who should pass: anyone wanting a single-bag complete ration rather than a high-protein add-on.

Whole Grain

3. Scratch and Peck Feeds Grower Mash

17% ProteinUSDA Organic

A fermentable whole-grain mash that looks like real food, because it is.

This is the pick for the organic purist who reads every ingredient label. Scratch and Peck is USDA Organic and Non-GMO Project Verified, with a 17% protein whole-grain mash that is both corn-free and soy-free. At 10 pounds it sits on the lighter side, but what it lacks in bag weight it makes up for in ingredient transparency — you can see each individual grain.

The fermentable aspect is the real differentiator. Reviewers point out that soaking this mash with apple cider vinegar and water for a day or two improves digestion, produces firmer and less smelly manure, and stretches the feed budget further. That is a hands-on approach to feeding, so it suits keepers who enjoy a bit of kitchen-style prep rather than just pouring pellets.

Feedback is warm but honest: chickens love the visible grains and will pick out favorites, sometimes leaving powder behind, and the peas can be tough for some birds to crack. The sturdy resealable bag earns frequent praise for keeping the feed fresh. On the protein scale, this 17% mash lands far below the 45% of the KAYHEN larvae above, so it works best for growing birds 8-20 weeks old rather than heavy-production layers.

What owners say: this is premium, visible-ingredient nutrition with a fermentation trick that reduces waste and improves digestion.

The trade-off: you pay for the organic certification and a smaller 10-pound bag, and some birds need time to crack the whole peas.

Chick Starter

4. Purina Start & Grow Medicated Chick Feed

18% ProteinMedicated

The grow-strong starter with 38 essential nutrients packed into every crumble.

This is the go-to for the first weeks of a chick’s life, built for birds from day one up to the point they’re ready to transition to a grower or layer ration. Purina packs 18% protein into the crumble alongside prebiotics and probiotics for immune and digestive support, plus essential amino acids like lysine and methionine for muscle and skeletal development. The maker says it contains the optimal combination of the 38 required nutrients chicks need, with no supplements required.

The medicated angle matters for new keepers. It includes amprolium to help prevent coccidiosis, a common and serious chick disease — and notably, amprolium is not an antibiotic and is not affected by the Veterinary Feed Directive. That makes it a smart choice when chicks arrive unvaccinated, which is a point owners emphasize repeatedly.

The crumbles have a taste that chicks and roosters both attack eagerly — “asked for seconds” is how one owner describes it. The catch is the value: the bag is 25 pounds, and several shoppers say the same feed runs cheaper per pound at big-box farm stores. It holds a 4.8-star average across 600+ ratings, and the thing owners praise most is how readily chicks devour it.

The growth pack

  • 18% protein with lysine and methionine for bone and muscle
  • Medicated with amprolium to ward off coccidiosis
  • Prebiotics and probiotics support chick digestion

Reality check

  • Often cheaper at local Tractor Supply for the same 50 lb quantity
  • Unflavored crumble, not a long-term layer feed

Best for: new chick owners who want the disease protection of a medicated starter with proven palatability.

skip it if: you have hens already laying — this is a starter, not a layer ration.

Layer Favorite

5. Waggin’ Train Layena Chicken Feed Pellets

25 lb BagOyster Strong System

A no-fuss complete layer pellet that keeps hens on autoship and eggs coming.

This is the workhorse for keepers who want a complete feed they can order once and forget. It’s a 25-pound bag of Purina Layena layer pellets for adult chickens, built around the exclusive Oyster Strong System, which adds oyster shell for eggshell strength. That makes it a genuine one-bag solution — no mixing in extra calcium.

The loyalty is strong here. More than one owner has this on subscription and reports hens that love it and lay “fabulous eggs,” as the review pages put it. The pellet form cuts down on waste compared to mash because birds can’t easily pick out favorite pieces, and the 25-pound size is workable for a small to mid-size flock.

The honest split is on value. Quality earns the top praise, but the value conversations are mixed — some owners call it a fair price, while others note it’s steeper than picking up the same bag locally. At 25 pounds it lands mid-pack on bag size; the 40-pound Purina Layena+ below offers more volume if you have a bigger flock. This one holds a 4.6-star average across 700+ ratings.

The owner consensus: a dependable layer pellet that hens genuinely enjoy, with the oyster-shell system doing its job on shell quality.

Who it’s not for: anyone on a tight budget who has local farm-supply access at a lower price.

Clean Label

6. Prairie’s Choice Non-GMO Layer Crumble

16% ProteinUSA Grown

The clean-label layer feed with five dietary promises baked into every crumble.

This is the pick for keepers who want maximum label integrity in a complete feed. Prairie’s Choice is non-GMO, all-natural, antibiotic-free, non-medicated, and gluten-free, grown, milled, and packaged in the USA. It delivers 16% minimum protein for hens at 16-18 weeks or older — full maturity — with a formula aimed at easier digestion for layer hens.

Long-term loyalty shows up in the review history, with one owner noting they’ve used it for years and their girls are still laying. The quality earns consistent top marks, and many report visible results in egg size — one keeper says the eggs are “much bigger than before” after switching. It comes in a heavy, sturdy 25-pound bag that stores well.

The honest catch is the crumble texture. A handful of owners describe the crumbling quality as mixed, and one flock took a while to warm up to it, initially picking around the corn. Value also draws debate — some call it a great buy, others a waste. At 16% protein it sits below the 18% chick starter above, but for mature hens that is the correct maintenance level. It holds a 4.5-star average across 600+ ratings.

Why clean-label fans stay

  • Five promises: Non-GMO, antibiotic-free, non-medicated, gluten-free
  • Grown, milled, and packaged in the USA
  • Bigger eggs reported by multiple owners

The texture snag

  • Crumble quality draws mixed feedback
  • Some birds take time to accept it

Choose it for: a transparent, USA-sourced complete layer feed for mature hens.

Think twice if: your flock is picky about feed texture and you can’t afford a transition period.

Shell Strong

7. Hatortempt Black Soldier Fly Larvae

40% Protein4% Calcium

The hand-inspected larvae with 4% calcium, aimed squarely at stronger shells and richer yolks.

This premium larvae option targets the same job as the top pick but with a slightly different nutritional split. It carries 40% protein and 4% calcium, which the maker claims is 114x more than mealworms — a figure that puts shell strength front and center. The positioning is clear: this is for spring and summer laying when hens need the calcium most.

The quality story is unusually strong here. Every batch is hand-inspected for whole, crispy larvae without dust, raised on an organic diet of wheat, carrots, and squash, with no antibiotics, hormones, artificial colors, or flavors. Owners describe a huge bag that lasts well and birds that come running when the bag shakes — one keeper notes the larvae are noticeably bigger than standard mealworms.

Quality is the dominant praise in the reviews, with value running a clear second. There is a mixed note on bird attraction — most flocks sprint for the bag, but a few chickens simply won’t touch them, so it’s worth a small trial before committing to a full 10 pounds. It holds a 4.7-star average across 800+ ratings, and the stated versatility covers chickens, ducks, wild birds, hamsters, and reptiles.

The standout: a meticulously inspected, high-calcium treat built for laying season, with quality the most-discussed trait by far.

The honest note: a minority of flocks refuse them, so buy a smaller bag first to test acceptance.

Omega Boost

8. Purina Layena+ Omega 3 Layer Feed

40 lb BagOmega-3 Formula

The egg-enhancing layer pellet that boosts omega-3 fivefold over a store-bought egg.

This is the premium layer option for keepers who care about what’s inside the egg, not just the shell. Purina’s Layena+ formula is designed so that a large egg from a hen on this feed contains 250 mg of omega-3 fatty acids, compared to 50 mg in a traditional store-bought large egg — that’s a 5x jump in a single nutrition stat. It also carries the Oyster Strong System for shell strength.

The 40-pound bag is the biggest here, which makes it the volume play for larger flocks or anyone who wants fewer reorders. Buyers report thick-shelled eggs with dark yellow yolks, steady egg production, and happy hens that thrive on the pellets. More than one keeper has it on auto-reorder and buys in bulk for farm-store shelves.

The value conversation is genuinely split — some call it excellent, others say it’s pricey for the physical size of the bag even at 40 pounds. A recurring delivery complaint appears, but it’s aimed at the mail service, not the feed itself, with owners emphasizing the product quality is great. The pellet form keeps waste low, and the adult, all-breed-size formula makes it a versatile single-bag layer feed. It holds a 4.6-star average across 800+ ratings.

The egg upgrade

  • 250 mg omega-3 per egg versus 50 mg in standard eggs
  • Largest bag here at 40 pounds
  • Thick shells and dark yellow yolks reported

Weigh it up

  • Value opinions split at this price level
  • Delivery packaging can arrive damaged in transit

Pick this if: egg nutrition is your priority and you have the flock size to use a 40-pound bag.

Pass if: you’re shopping on strict value per pound and local stores undercut the price.

Understanding the Specs

Protein Percentage

Protein percentage is the most critical number on a poultry feed bag. Starter feeds for chicks typically run around 18% to support rapid growth, while layer feeds for mature hens drop to roughly 16-17% — mature birds don’t need the same muscle-building protein and getting too much can strain their systems. A 45% protein supplement like dried larvae is a powerful addition, but it’s meant to boost a complete ration, not replace it.

Calcium For Layers

Once hens start laying, calcium becomes the mineral that matters most because it directly drives eggshell quality. Thin, fragile shells are almost always a calcium deficiency. Complete layer feeds include added calcium in the formula, and some add oyster shell or a dedicated system to strengthen shells further — that’s why you’ll see phrases like “Oyster Strong System” or “more calcium than mealworms” on the bag.

FAQ

Can I feed black soldier fly larvae as a complete diet instead of layer pellets?
No. Dried black soldier fly larvae are a high-protein, high-calcium treat or supplement, not a complete ration. A complete layer feed provides the balanced mix of vitamins, minerals, and energy that a laying hen needs daily. The larvae should be offered alongside a quality layer feed, not in place of it.
What is the difference between medicated and non-medicated chick feed?
Medicated chick starter, like the Purina Start & Grow, includes amprolium, which helps prevent coccidiosis — a common intestinal disease in young chicks. It is not an antibiotic. Non-medicated feed lacks this protection and is often chosen when chicks arrive vaccinated or raised on clean pasture.
When should I switch my pullets from starter to layer feed?
Move pullets to a layer ration when they reach about 16 to 18 weeks of age or when they start laying. Peck Grower Mash is designed for birds in the 8-20 week window as a bridge between starter and layer. Switching too early can cause kidney strain from excess calcium, and switching too late means thin-shelled eggs.
Why does my feed have a lower protein percentage during laying?
Laying hens don’t need the same muscle-building protein that growing chicks do. A layer feed around 16-17% protein provides enough for maintenance and egg production, while too much protein in a mature hen’s diet can be wasteful and hard on the body. The extra calcium in layer feed matters more than raw protein.
Can chickens eat feed with whole grains and peas in it?
Yes, and many owners prefer it. Whole-grain mashes like Scratch and Peck let you see every ingredient, but some birds will pick out their favorite grains and leave the rest, and hard peas can be tough for younger or smaller birds to crack. Fermenting the mash with water and apple cider vinegar can soften the grains and improve digestion.
What does oyster shell do in a layer feed?
Oyster shell is a concentrated calcium source that supports strong eggshell formation. Feeds with an oyster-based system, like the Purina Layena line, build calcium directly into the formula so you don’t need to offer a separate calcium supplement for shell strength.
How long can I store a bag of dried black soldier fly larvae?
Dried larvae have a long shelf life and don’t need refrigeration. The Funtacfarm brand states a 24-month validity when the bag is properly sealed and stored in a dry place. The resealable zip-top bags protect against spoilage, though the smell inside is strong once opened.
What is the difference between crumbles, mash, and pellet feed?
These are just physical forms of the same nutrition. Crumbles and mash are finer-textured, which suits young chicks or birds that prefer picking. Pellets are compressed into uniform pieces that reduce waste because birds can’t easily sort out favorite ingredients — a clear advantage with mixed-grain feeds.

Final Thoughts: The Verdict

Across the board, the feed for poultry winner is the KAYHEN Dried Black Soldier Fly Larvae because it delivers a 45% protein and calcium-rich boost that owners consistently say improves egg production — backed by a 4.8-star average across 800+ ratings, the highest score in this lineup. If you want a complete organic grower with visible whole grains, grab the Scratch and Peck Grower Mash. And for a volume-friendly layer pellet with an omega-3 egg upgrade, the Purina Layena+ is the one to reach for.

How We Picked

We do not accept paid placement. Every pick is matched to a real buyer and a real use-case; we do not hands-on test units.

Sources & Methodology

Specifications: manufacturer listings and product documentation. Review insights: verified customer reviews, as of August 2026. Pricing: not shown on this page (it changes often); check the current price via the retailer link.

As an Amazon Associate, WellFizz earns from qualifying purchases. This does not affect which products we feature.

Related Guides

Mo Maruf
Founder & Lead Editor

Mo Maruf

I created WellFizz to bridge the gap between vague wellness advice and actionable solutions. My mission is simple: to decode the research and give you practical tools you can actually use.

Beyond the data, I am a passionate traveler. I believe that stepping away from the screen to explore new environments is essential for mental clarity and physical vitality.

Please use a real email you check. If it's fake or mistyped, your message won't reach us and we can't reply — wrong addresses are rejected automatically.