Manna Pro Crushed Oyster Shell for Chickens, Calcium Supplement, 5 lb Bag

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  • 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: Made from a premium blend of crushed oyster shells and coral calcium, this supplement provides a high-quality, easily digestible source of calcium to support strong eggshells and overall health in laying poultry of all types.
  • STRONGER EGGSHELLS WITH NATURAL CALCIUM: Crushed oyster shells provide a rich, slow-release calcium source for backyard hens, aiding proper eggshell formation, improving egg quality, and supporting overall health and laying performance in laying chickens.
  • HEAT TREATED FOR PURITY: Our crushed oyster shells are heat-treated for maximum cleanliness, helping eliminate harmful contaminants, bacteria, and pathogens. This process ensures a clean, safe calcium source you can confidently feed to your poultry.
  • 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
UPC095668069629
FlavorEgg
OccasionBirthday
Pet TypeBird
Item FormPellet
Unit Count5 Pounds
Item Weight5 pounds
ManufacturerTV Non-Branded Items (Pets)
Model Number1000210
Container TypeBag
Item Type NameBird Food
Target SpeciesChicken
Number of Items1
Product BenefitsSupports strong eggshell formation in laying hens
Package Size Name5 lb Bag
Additional FeaturesHeat-treated for purity
Special IngredientsOyster Shell
Allergen InformationCelery Free
Breed RecommendationAll Breed Sizes
Age Range DescriptionAll Life Stages
Manufacturer Part Number1000210
Specific Uses For ProductOutdoor
Recommended Uses For ProductPoultry egg-laying support
Global Trade Identification Number00095668069629
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Supports Eggshell Strength & Bone Health

Essential Calcium Supplement for Stronger Laying Hens

Give your backyard chickens the nutrients they need with oyster shell calcium. This calcium supplement for chickens helps promote strong eggshells, healthy bones, and overall poultry care. Ideal for laying hens and pullets, it’s a must-have for homesteaders and sustainable farms.

Boost Eggshell Strength & Chicken Health with Oyster Shell Calcium

For backyard chickens, laying hens, and poultry owners, maintaining strong eggshells and healthy bones is essential. Without proper calcium supplementation, hens may produce thin or fragile eggs, increasing the risk of egg breakage and calcium deficiency. Our crushed oyster shells provide a natural, digestible source of calcium that improves eggshell quality, supports bone development, and enhances overall chicken health.

100% Natural & Safe – A pure, natural source of calcium for poultry care.

Supports Laying Hens – Ideal for chickens, ducks, and other egg-laying birds.

Stronger Eggshells – Reduces eggshell breakage and improves hatchability.

Essential for Bone Health – Helps prevent calcium deficiencies in chickens.

Sustainable – A great addition to your homesteading essentials.

Can I use this with my Pullets? Yes! Our oyster shell and coral calcium blend is perfect for pullets and provides calcium for growth.

Is this the same as grit? No. Grit aids digestion, while oyster shells provide calcium for eggshells.

How often should I provide oyster shells? Keep available at all times for laying hens to consume as needed.

Boost Eggshell Strength & Bone Health with Oyster Shell Calcium

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Essential for Laying Hens

This calcium supplement for chickens supports stronger eggshells, healthier bones, and overall poultry well-being.

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100% Natural & Sustainable

Made from crushed oyster shells, this natural calcium source is free from additives and safe for all poultry breeds.

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Aids in Digestion & Nutrition

Helps hens, chicks, and poultry process food better by acting as grit, improving calcium absorption and nutrient intake.

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Easy to Feed & Use

Simply mix with feed, offer in a separate dish, or scatter in the coop for easy consumption by laying hens and growing chicks.

Strengthen Eggshells & Support Chicken Health with Natural Calcium

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  1. supplement for egg laying chicken oyster shell for egg laying

    A Must-Have for Egg-Laying Hens

    Prevent weak, brittle eggshells with this calcium supplement for chickens—ensuring strong, healthy eggs and supporting laying hen nutrition.

  2. bone supplement for chicken egg laying

    Improves Bone Strength

    Supports skeletal health in chickens & hens, reducing the risk of calcium deficiency-related issues.

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    Perfect for Poultry & Game Birds

    Safe and effective for backyard chickens, quail, ducks, and turkeys, providing vital calcium for eggshell and bone development.

  4. pullet calcium supplement

    Perfect Size for Pullets

    Essential for pullets and laying hens, this calcium supplement for chickens supports healthy growth, strong bones, and proper eggshell development.

  5. manna pro chicken food chicken scratch oyster shell calcium poultry backyard flock

    Helps Prevent Eggshell Breakage

    Weak eggshells lead to breakage and calcium loss. This crushed oyster shell supplement ensures stronger, more resilient eggshells for healthy egg production.

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    Farm & Homestead Essential

    A must-have for backyard homesteaders and poultry farms, this natural calcium source keeps laying hens, quail, ducks, and other poultry healthy.

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Complete Calcium Nutrition for Laying Hens & Poultry

For backyard chicken owners, poultry farms, and homesteaders, ensuring healthy eggshells and strong bones is critical. Without sufficient calcium, laying hens may suffer from brittle eggs, fragile bones, and poor nutrition.

That’s where our premium crushed oyster shell supplement comes in. Designed for laying hens, chicks, and all poultry, it provides an easily digestible, all-natural source of calcium to support strong eggshells, bone health, and overall well-being.

Stronger Eggshells – Reduces egg breakage and calcium depletion. Better Digestion – Aids in nutrient absorption and food breakdown. Supports Bone Development – Helps growing chicks and older hens. Prevents Calcium Deficiencies – Avoids soft eggshells and weak bones. All-Natural & Safe – No artificial additives, just pure calcium for chickens.

1️. Feed in a Separate Dish – Let hens consume as needed for optimal egg production. 2️ Mix with Chicken Feed – Combine with starter feed for pullets. 3️ Scatter in the Coop – Encourages natural pecking and digestion.

Pro Tip: Pair with chicken grit for better digestion and stronger eggshells!

Ensure strong eggs, healthier hens, and better digestion with premium crushed oyster shell calcium—the natural way to care for your poultry.

Crushed Oyster Shell & Coral Calcium

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Supports Eggshell Formation

Rich in calcium carbonate, this supplement ensures stronger, healthier eggshells for your laying hens and poultry.

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For Sustainable Egg-Laying

This oyster shell calcium supplement keeps your hens laying strong, healthy eggs—perfect for backyard homesteading and poultry farms.

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Natural & Chemical-Free

Made with pure crushed oyster shells, this calcium supplement for chickens contains no artificial additives or fillers.

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Easy to Feed, No Waste

Provide in a separate feeder, mix with chicken feed, or scatter in the coop—hens consume what they need for optimal nutrition.

Essential for Eggshell Strength

Oyster Shell Calcium – The Secret to Stronger, Healthier Chickens


Give your hens and backyard chickens the best nutrition with oyster shell calcium. This all-natural poultry supplement enhances eggshell strength, bone health, and digestion. Easy to feed and perfect for laying hens, pullets, and poultry farms. Keep your flock healthy, strong, and productive with this calcium-rich solution.

The video showcases the product in use.The video guides you through product setup.The video shows the product being unpacked.

Manna Pro Oyster Shell - Calcium Support

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