Ground eggshell powder for dogs in a square glass food storage container

How to Make Eggshell Powder for Dogs

Yep, eggshell powder for dogs is a thing, especially for DIY raw feeders.

And while you can buy the pre-made kind, too, today I’ll show you how you can easily make your own.

Besides the recipe for DIY eggshell powder, you’ll also learn about its benefits, how much eggshell powder to feed your raw-fed dog, and what you can mix it with.

Ready? Let’s jump right in!

How to Make Eggshell Powder for Dogs

Brown dog smelling a baking sheet filled with cracked eggshells that are drying in the sun. There's also a small round glass dish with a spoon that's filled with homemade eggshell powder for dogs.

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Eggshell Powder for Dogs Benefits

Let’s start with the benefits of egg shell powder for dogs.

Egg shells are chock-full of calcium, and dogs need calcium for healthy bones and teeth.

So that said, they’re actually a great alternative to raw meaty bones which are typically used for calcium in raw feeding.

Now, here’s when you’ll want to use eggshell powder in raw feeding:

  • If you’re new to DIY raw feeding and don’t want to give raw bones right away
  • If you’re still learning the correct bone amount for your dog
  • If you run out of raw meaty bones for your raw dog food meal prep

Technically speaking, you could also use bone meal instead of eggshell power for dogs.

But bone meal got a bad rep over the years. Mostly because it’s made from slaughterhouse waste that can be contaminated with who knows what.

Eggshell Powder for Dogs Recipe

OK, now let’s get to the fun stuff.

Here are the 5 steps you’ll be taking to make DIY eggshell powder for your pup(s):

Step 1: Collect Eggshells

First things first, you’ll want to collect eggshells. How many exactly is up to you and depends on how large of a batch you want to make.

The eggshells from a dozen chicken eggs will make about 2.5 oz = 71 g of calcium powder.

You can also mix and match eggshells from different types of eggs. For example, from chicken eggs, duck eggs and quail eggs.

If you’re collecting the eggshells over the course of a few weeks, make sure to run them under water before you add them to your growing collection.

That’ll keep them from smelling while you’re waiting to collect more.

Eggshells in a round glass bowl next to egg yolks in a Pyrex bowl and an empty egg carton on a kitchen counter

Step 2: Wash The Eggshells

You’ll also want to wash them again with hot water before you’re getting ready to turn them into calcium powder.

Tip: If you’re cracking a dozen eggs at a time to make a small batch of calcium powder for your dog, whip up some omelettes for you and the fam!

Or bake some yummy cakes.

Cracked eggshells on a baking sheet under a kitchen faucet

Step 3: Let The Eggshells Dry

Once you ran the eggshells under hot water, lay them out on a baking sheet and let them dry.

You can set them up in the sun to speed up the drying process.

Brown dog sniffing eggshells on a baking sheet that are drying in the sun

Step 4: Bake The Eggshells

Next, bake them on a baking sheet in your oven for 10 minutes at 250° F = 120° C.

Nerd tip: Open the oven for a moment and listen to the cute sounds of the eggshells while they’re baking.

I love it!

Cracked eggshells on a baking sheet in the oven

Step 5: Grind The Eggshells

Once the eggshells are done baking, it’s time to grind them into the actual powder we’re looking to make.

You can either do this in a food processor, a clean coffee bean or spice grinder, or you can also use a mortar and pestle.

Store the calcium powder in an airtight food storage container.

It’ll last for at least 2 months.

How Much Eggshell to Feed Dog

As far as how much of the eggshell powder you need for your dog, use 1 teaspoon per 1 lb of boneless raw dog food (or cooked dog food).

That’s the recommended amount by Dr. Judy Morgan.

You can mix the calcium powder with any ground meats you buy from the grocery store, or muscle meats you buy from raw dog food retailers.

For example, Raw Paws Pet Food or Raw Feeding Miami.

Store-Bought Eggshell Calcium Powder As A Quicker Alternative

If you don’t feel like making your own, you can also buy eggshell calcium powder on Amazon.

Or you may be able to find some at an independently owned pet food store.

How to Make Eggshell Powder for Dogs: Bottom Line

Now you know how you can make your own eggshell calcium for dogs!

It’s a good alternative for raw meaty bones in DIY raw dog food as far as the calcium source is concerned.

The only thing you won’t be getting is the dental and mental benefits that dogs have when they eat whole raw meaty bones.

But either way, making homemade eggshell powder for dogs is a pretty quick process, especially once you have all the eggshells you need.

Remember to run them under hot water and to let them dry before you bake them in the oven.

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Barbara launched her blog K9sOverCoffee in 2014 and has been feeding her dogs raw dog food since 2015. As a former professional dog walker, she’s passionate about balancing species-appropriate exercise with healthy dog nutrition. Barbara is raw dog food nutrition certified from “Dogs Naturally Magazine” and the author of several e-books about minimally processed, balanced raw dog food.







2 responses to “How to Make Eggshell Powder for Dogs”

  1. Tina Metzger Avatar
    Tina Metzger

    Hi there! Thankyou for this information.
    I make homemade cooked food and add 1 tsp of egg shell powder per day. My dog is 80 pounds and I know he needs 50 mg per kg calcium per day.
    I get confused regarding the calcium:phos ratio. I feed 2 cups meat/veggie/grain mixture 2 times per day. I read to give 1 tsp per pound of meat and wonder if I would need to give it 2 times per day to balance the phos? If I did that would calcium be too high (2000 mg per tsp)

    1. Barbara Rivers Avatar

      Hi Tina, sure thing, thanks for your question! So at 80 lbs and being moderately active and assuming your dog is an adult, I’d feed your pup at a 2.5% maintenance percentage, which translates into 32 oz = 4 cups, which is what you’re feeding. What kind of calcium supplement powder are you feeding? I checked the feeding directions on the “Pet’s Friend Eggshellent Calcium Eggshell Powder”, and it says to feed 2/3 of a teaspoon = 4 mg per day. So that would be a little less than 1 teaspoon worth of the calcium powder.

      The Ca:Ph ratio of your teaspoon is fine though (I checked my Animal Diet Formulator).

      Here’s what I assumed you’re feeding since you mentioned a total of 4 cups of meat/veggie/grains per day:

      15 oz ground beef
      10 oz spinach
      7 oz cooked amaranth

      Now, are you adding any secreting organ meat to your pup’s food like liver and kidney or liver and spleen? And what about an oily fish or fish oil? Because your meals would be lacking in Omega-3s, Vitamin D and Choline if you didn’t.

      Here’s an overview of what balanced homemade (raw) dog food needs to consist of:

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