How to Prepare Oyster Shells for Chickens

Advanced 15 min 9 steps 40296 views Rating: 4.5/5 Published: 2026-05-27

Purchase oyster shells.. Bake raw oyster shells at 250 °F (121 °C) for 10 minutes.. Stuff the oyster shells into a bag.

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Steps

1

Purchase oyster shells.

Step 1

Purchase oyster shells.

2

Bake raw oyster shells at 250 °F (121 °C) for 10 minutes.

Step 2

Bake raw oyster shells at 250 °F (121 °C) for 10 minutes.

3

Stuff the oyster shells into a bag.

Step 3

Stuff the oyster shells into a bag.

4

Smash the shells with a hammer.

Step 4

Smash the shells with a hammer.

5

Use a food processor if you want to grind the shells into a powder.

Step 5

Use a food processor if you want to grind the shells into a powder.

6

Start feeding oyster shells to hens at 18 weeks of age.

Step 6

Start feeding oyster shells to hens at 18 weeks of age.

7

Set the shells out in a feed container inside the coop.

Step 7

Set the shells out in a feed container inside the coop.

8

Provide oyster shells year-round.

Step 8

Provide oyster shells year-round.

9

Give your hens more oyster shells if their eggs break easily.

Step 9

Give your hens more oyster shells if their eggs break easily.

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