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How to Make Eggshell Powder

Posted by Dr Sam, On 16 Nov, 2021 | Updated On 16 Nov, 2021 No Comments »

Simple steps on how to make eggshell powder for your dog. Eggshell is very rich in calcium. It is cheaper and better than calcium tab

Is there a kitchen where egg is not found? I know you use egg in one way or the other in making your meal. You break the egg, empty it content into a pan and throw away the shell. Don’t you know that eggshell is as useful ingredient as its content? In this post I will show you how to make eggshell powder for your dog.

What is Eggshell Powder Used For?

Eggshell is about 95% of calcium carbonate in the making. Eggshell Calcium carbonate is an essential mineral for bone, enzyme and muscle health. It is good for large and giant breeds dogs that need strong bone to support their weight. It is an essential natural food supplement for your dog. Study shows that eggshell calcium:

  1. Helps in the prevention and treatment of osteoporosis (low density, porous bone disease) common with old dogs.
  2. Contains other minerals like magnesium, sodium, potassium and phosphorus which are essential to your dogs’ health.

How Do You Make Eggshell Calcium Powder?

Can you get eggshells without eggs? Obviously you certainly need eggs.

I advise you get eggs fresh from farm if possible. And get the egg of chickens not fed with soy. Shells of egg of chickens fed with soy-free feed is more calcium-rich than the egg produced by chickens fed with soy. Not only that, even the content of the egg is richer for you.

Shell of egg of soy-free fed chickens are thicker and denser than that of the soy fed chickens!
The denser the eggshell, the more the calcium content.

These eggs may cost you a bit of dollar more but it is much cheaper than buying calcium tablets.

Kitchen Equipment You Need to Make Eggshell Calcium Powder

  1. A stock pot.
  2. An effective coffee grinder.
  3. A container to store the shells (like a Mason jar)

How Do You Sterilize Eggshell?

Have you empty your eggs into a pan to make your meal? Make sure the shells are well drained .Then put the drained eggshells back into the carton till you get about a score – 20 of them.

  1. Rinse out the eggshells in water.
  2. Boil about 7 cups of filtered water in a pot.
  3. Put the eggshells in the boiling water for 10 minutes to destroy harmful bacterial and pathogens that might have been living since you have been gathering the shells.
  4. Drain the eggshells and leave it on a cookie sheet for 4 hours.
  5. Then place the eggshells in your oven.
  6. Set the oven temperature to 200°F (about 95°C) and heat the eggshell for 10 minutes. This will completely dry the eggshell.

Now, once the eggshell is totally dry, ground them into powder with an effective coffee/nut grinder.

Then store your eggshell calcium powder in Mason jar.

How to Give Eggshell Calcium Powder to your Dog

According to Association of American Feed Control Officials (AAFCO), a growing (puppy) dog needs
3 gram of calcium per every 1000 kilocalories per day. An adult dog needs 1.25 gram of calcium per every daily 1000 kilocalories.

1 tablespoon of eggshell powder contains 1.8 gram of calcium.

The eggshell powder is a great source of calcium not only for your dog but also for you!


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