If you keep chickens, you have likely cracked an egg and paused for a moment. You looked at the shell and wondered, “can you feed eggshells to chickens?” It feels a bit strange at first. Feeding chickens something that came from their own eggs sounds unusual, even risky.
I can recall the first time I tried it. I was afraid because I may develop a bad habit. However, having known how to do it, I understood that eggshells are not a waste. They are a secret jewel to thy flock.
Eggshells contain a lot of calcium. Calcium is required daily by hens in order to produce robust eggs. In its absence, the shells are weak and thin. That is when problems start.
I will take you through all these in an easy manner in this guide. You will know the ways to use eggshells properly, its importance, and the ways to avoid the typical errors.
Contents
- 1 Can You Feed Eggshells to Chickens? The Simple Answer
- 2 Benefits of Feeding Eggshells to Chickens
- 3 Why Do You Bake Egg Shells for Chickens?
- 4 Step-by-Step Guide: How to Prepare Eggshells Safely
- 5 Crushing Matters: Why Size and Shape Are Important
- 6 Free Choice Feeding: The Best Way to Offer Eggshells
- 7 How Often Should You Feed Chickens Egg Shells?
- 8 Eggshells vs Oyster Shells: Which Is Better?
- 9 Common Mistakes to Avoid When Feeding Eggshells
- 10 A Personal Story: What Changed in My Flock
- 11 Advanced Feeding Tips for Better Egg Production
- 12 Seasonal Changes and Eggshell Feeding
- 13 Long-Term Effects of Feeding Eggshells
- 14 Can Eggshells Replace Store-Bought Calcium?
- 15 Understanding Chicken Behavior Around Eggshells
- 16 Combining Eggshells with Other Natural Calcium Sources
- 17 A Simple Weekly Eggshell Feeding Plan
- 18 FAQs About Feeding Eggshells to Chickens
- 18.1 1. Can chickens eat raw eggshells?
- 18.2 2. Do eggshells cause chickens to eat their own eggs?
- 18.3 3. How do I store crushed eggshells?
- 18.4 4. Can baby chicks eat eggshells?
- 18.5 5. What if my chickens ignore eggshells?
- 18.6 6. Are eggshells enough for laying hens?
- 18.7 7. Can I mix eggshells into feed?
- 19 Final Thoughts: Can You Feed Eggshells to Chickens?
Can You Feed Eggshells to Chickens? The Simple Answer
Let’s answer the big question clearly: can you feed eggshells to chickens? Yes, you absolutely can. In fact, it is one of the smartest ways to recycle nutrients back into your flock.
Eggshells are packed with calcium. This mineral helps chickens produce strong, solid eggs. When hens lack calcium, their eggs may break easily. In some cases, they may even stop laying.
But there is one important rule. You cannot just toss raw shells into the coop. Chickens are quick learners. If they connect the shell with fresh eggs, they may start pecking their own eggs. That habit is very hard to stop.
So yes, eggshells are safe and helpful. But only when prepared the right way. That small step makes a big difference.
Benefits of Feeding Eggshells to Chickens
Discussing the advantages of feeding eggshells to chickens, let us talk about them. As soon as you learn these, you will know why so many of the keepers who have experience insist upon this procedure.
First, eggshells contribute to good eggshell production. This is the biggest benefit. Good shells imply a reduced number of broken eggs and reduced waste.
Second, it is natural and free source of calcium. You do not need to buy additional money on supplements. You already have what your chickens require in your kitchen.
Third, it reduces waste. You do not dispose of shells, but you re-use them. It is good to make something out of nothing.
This was a definite shift in my flock when I added crushed eggshells. The eggs became stronger. Disintegration fell to nearly one-half.
Eggshells are not bits, then. They are a highly effective, natural nutrient fortifier of your chickens.
Why Do You Bake Egg Shells for Chickens?
Many people ask, why do you bake egg shells for chickens? The answer is simple but very important.
Baking kills harmful bacteria. Raw eggshells can carry germs like salmonella. Heating them makes them safe to eat. It also dries them out, making them easier to crush.
There is another reason. Baking changes the texture. The shells become brittle and break into small pieces. This helps prevent choking and makes digestion easier.
I always bake my eggshells. It only takes a few minutes, but it gives peace of mind. I know my flock is safe.
Think of baking as a safety step. It is quick, easy, and worth it. Skipping it is not a good idea.
Step-by-Step Guide: How to Prepare Eggshells Safely
Preparing eggshells is simple. You do not need special tools or skills. Just follow these easy steps.
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Rinse the shells to remove any egg residue
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Let them air dry or pat them dry
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Bake at 150°C–175°C for 10–15 minutes
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Crush them into small pieces or powder
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Store in a clean container
This process takes very little time. But it ensures your chickens get safe and usable calcium.
I usually save shells for a few days, then prepare them all at once. It becomes part of my routine.
Once you get used to it, it feels natural. Like preparing feed or cleaning the coop.
Crushing Matters: Why Size and Shape Are Important
Crushing eggshells is not just about making them smaller. It plays a key role in chicken behavior.
If shells look like whole eggs, chickens may recognize them. This can lead to egg pecking. That is a habit you want to avoid at all costs.
By crushing shells into tiny pieces or powder, you remove that risk. Chickens see them as food, not eggs.
I learned this lesson early. The first time, I did not crush them enough. My hens started pecking at eggs in the nest. It took weeks to fix that mistake.
So take this step seriously. Proper crushing protects your flock from bad habits.
Free Choice Feeding: The Best Way to Offer Eggshells
One of the best methods is free choice feeding. This means giving chickens access to eggshells when they need them.
Do not mix eggshells into their regular feed. Instead, place them in a separate dish. Chickens are smart. They will eat what their body needs.
Some days they may eat more. Other days they may ignore it. That is normal. Their needs change over time.
I keep a small container of crushed shells in the coop. It is always available. This simple habit keeps calcium levels balanced.
Free choice feeding gives control to your chickens. It respects their natural instincts.
How Often Should You Feed Chickens Egg Shells?
A common question is, how often should you feed chickens egg shells? The answer is easier than you think.
You do not need a strict schedule. If you offer eggshells free choice, chickens will manage their intake. This is the safest and most natural approach.
If you prefer scheduled feeding, offer small amounts a few times a week. But avoid overfeeding. Too much calcium can also cause problems.
In my experience, free choice works best. It removes guesswork and keeps things simple.
So instead of worrying about timing, focus on availability. Let your chickens decide what they need.
Eggshells vs Oyster Shells: Which Is Better?
Many chicken keepers compare eggshells with oyster shells. Both are great calcium sources, but they have small differences.
| Feature | Eggshells | Oyster Shells |
|---|---|---|
| Cost | Free | Purchased |
| Calcium Content | High | Very High |
| Availability | Home-based | Store-bought |
| Preparation | Needed | Ready to use |
Eggshells are perfect if you want a natural, cost-free option. Oyster shells are more consistent but require buying.
I use both sometimes. Eggshells from my kitchen and oyster shells when I need extra support.
There is no wrong choice. Both can help your flock stay healthy.
Common Mistakes to Avoid When Feeding Eggshells
Even though eggshells are simple to use, mistakes can happen. Avoiding them will protect your flock.
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Feeding raw, unclean shells
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Not crushing shells properly
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Mixing shells with regular feed
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Giving too much at once
Each mistake may seem small, but it can lead to bigger issues.
I made some of these mistakes early on. But learning from them helped me build better habits.
Feeding chickens is a learning journey. Small improvements make a big difference over time.
A Personal Story: What Changed in My Flock
This was not the case when I began keeping chickens because I had difficulties with the thin eggshells. Eggs would crack easily. It was exasperating and time-wasting.
I heard then of how to feed up eggshells. I began to wash, bake and crunch them. Within weeks, I saw a change.
The eggs became stronger. Breakage dropped. My hens were in better health and were more active.
It was as though a mere Band Aid job, yet the effect was enormous. It was an eye-opening experience because I learnt the value of little details.
I do not now dispose of eggshells. I possess them as a part of my daily routine.

Joel Callahan is a father of two daughters in Alaska. He runs a family poultry farm and works part-time as a food department adviser. He shares simple farming tips and advice.