Crushed Oyster Shell 5lb Bag

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$19.50
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In stock at Canvasback

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Product Information

Crushed Oyster Shell for Laying Hens – 5 lb Bag

Support Strong Eggshells and Healthy Layers with Natural Calcium

Give your laying hens the essential nutrients they need to thrive with Hen Express’s Crushed Oyster Shell for Layers. This 5 lb bag is packed with a natural, slow-release source of calcium—vital for producing strong, healthy eggshells and maintaining the overall well-being of your flock.

Unlike grit, which aids digestion by grinding food in the gizzard, crushed oyster shell is a calcium supplement specifically designed to meet the increased needs of hens during their egg-laying phase. Without enough calcium, hens can suffer from weakened bones and soft-shelled or misshapen eggs. Our high-quality oyster shells ensure your birds stay healthy and productive.

Why Choose Hen Express Crushed Oyster Shell?

  • High in Bioavailable Calcium – Supports strong eggshell formation and prevents calcium deficiency

  • Essential for Egg-Laying Hens – Helps maintain skeletal health during periods of high calcium demand

  • Natural and Safe – Sourced from clean, crushed oyster shells; no additives or artificial fillers

  • Easy to Feed – Offer free-choice or mix into layer feed as needed

  • Trusted by Poultry Keepers – A reliable choice for backyard flocks and small farms

Why Not Just Use Eggshells?

While some chicken owners feed back crushed eggshells, studies show this may not provide a consistent or adequate calcium source. Worse, it can encourage egg-eating behavior. Crushed oyster shells are a safer, more effective solution—giving your hens the calcium they crave without the risks.

Directions for Use:

Provide free access in a separate feeder or mix approximately 1-2 tablespoons per hen into their layer feed. Always offer fresh water and a balanced diet alongside calcium supplements.


Protect your hens, improve your egg quality, and keep your flock thriving—naturally.

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