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(4 pack) FlockLeader Shell & Bone Builder® for Chickens – All Natural Calcium Supplement for Laying Hens to Support Strong Eggshells and Bone Health, Poultry Mineral Feed for Chickens, 5 Pounds

(4 pack) FlockLeader Shell & Bone Builder® for Chickens – All Natural Calcium Supplement for Laying Hens to Support Strong Eggshells and Bone Health, Poultry Mineral Feed for Chickens, 5 Pounds


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US$9.74
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US$9.74
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Free shipping Free 30-day returns

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Management number 251815565 Release Date 2026/09/26 List Price US$9.74 Model Number 251815565
Category

If your hens are laying eggs, they need a calcium supplement. Calcium is essential for backyard birds and supports strong eggshells, keeps the eggs we eat safe, and strengthens bones. But here’s the thing – not all calcium is created equal. Shell & Bone Builder® is a consistently sized, large, slow-release form of calcium carbonate safe for all poultry species that allows hens to digest and absorb it when it’s needed most – during the overnight eggshell formation. Shell & Bone Builder® supports eggshell formation first, and the remaining calcium goes straight to the bones for stronger, healthier birds.

  • Strong eggshells and bones for laying poultry 18+ weeks
  • Slow-release calcium supports overnight eggshell formation
  • High-purity calcium carbonate, safer than oyster shells
  • 100% USA-sourced and packaged in recyclable materials
Bird type Chickens
Animal type Chicken
Animal lifestage All Lifestages
Size 5 lbs
Brand FlockLeader
Pet food form Pellets
Pet food condition Ready-to-Eat
Animal health concern Bone Health
Container type Box
Feeding instructions Give Shell & Bone Builder® to adult poultry 18 weeks of age and older to support strong eggshells and bone health. Offer in one of three ways: 1) Free choice in a separate container 2) Sprinkle ½ cup in the coop twice weekly 3) Mix 1lb Shell & Bone Builder® with 20 lbs layer feed Always provide clean, fresh water.
Count per pack 1
Weight 5 lb
Product net content parent 80 Ounces
Product net content uom Ounce
Retail packaging Value Pack

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