Whether you own a backyard flock or raise champion birds, we know how fulfilling it is to check your nesting boxes and find perfect, beautiful eggs. Avoid cracked or broken eggs with Manna Pro Oyster Shell. Effective and convenient, it helps reduce the number of weak, soft or broken shells by naturally adding calcium to your flock's diet. It's as simple as that! Add Manna Pro Oyster Shell to your mix and enjoy finding gorgeous eggs every time! 100% Satisfaction Guaranteed

FOR LAYING POULTRY: Our crushed oyster shells are crafted to provide essential calcium for all laying poultry including chickens, ducks, and quails; from backyard flock to commercial farms, our product is the perfect addition to your chicken feed
OYSTER SHELL & CORAL CALCIUM: Our chicken oyster shells are made from a blend of crushed oyster shells and coral calcium, ensuring that your poultry receive a high-quality source of chicken calcium that is easily digestible
STRONGER EGGSHELLS: Our crushed oyster shells are an excellent source of calcium for chickens, providing the necessary nutrients for proper eggshell formation, resulting in high-quality eggs and a healthier flock overall
HEAT TREATED FOR PURITY: Our oyster shells for chickens are heat treated to ensure maximum purity and cleanliness; our crushed oyster shells for chickens are free from harmful contaminants, bacteria and pathogens, making it safe for your poultry to consume
MADE IN USA: Our chicken food is proudly made in the USA, using only the finest ingredients; by choosing our crushed oyster shells for chickens, you're ensuring your birds receive a high-quality, domestically made product that you can trust

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661 reviews with 5 stars.

53 reviews with 4 stars.

39 reviews with 3 stars.

15 reviews with 2 stars.

23 reviews with 1 star.

Overall Rating

4.7

312 out of 331 (94%) reviewers recommend this product

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1 to 4 of 791 Reviews

1 – 4 of 791 Reviews

Review 1

5 out of 5 stars.

Good Stuff

7 days ago

Chickens need this and will eat it when needed. Mine do not eat it all the time but they do eat it like I said, when needed. I put mine in a small plastic container that I put drain holes in the case of rain. Then I've hung it on the side of their pen. I did this so they didn't scratch it all out on the ground and waste a bunch of it. It took a while to go through 50 lbs. with my small flock, so if you have a place to store it you are good to go.

Piedmont Missouri

Reviews 4

5 out of 5 stars.

Wow 😍

10 days ago

A great wholesome way to get the calcium your flock needs. I have never had a problem with the quality of this product.

SweepstakesYes

Yes, I recommend this product.

Reviews 8

5 out of 5 stars.

Bone health

15 days ago

Nice size of supply

SweepstakesYes

Yes, I recommend this product.

Fowlerville, MI

Reviews 11

5 out of 5 stars.

Good quality

23 days ago

Does its job. I mix it into the chicks feed.

SweepstakesYes

Yes, I recommend this product.

Manna Pro Oyster Shell Poultry Treats, 50 lb.

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Manna Pro Oyster Shell Poultry Treats, 50 lb.

At a glance

Neighbor’s Club Members earn points with purchases.

Manna Pro Oyster Shell Poultry Treats, 50 lb.

Neighbor’s Club Members earn points with purchases.

At a glance

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Reviews

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Good Stuff

Wow 😍

Bone health

Good quality