Description
Collection only, £1.00
Oyster Shell 500gm for birds is a vital, natural dietary supplement made from crushed mollusc shells that acts as a rich, slow-release source of soluble calcium. It is an essential addition to the diet of laying poultry, cage and aviary birds, pigeons, and wild garden birds to prevent calcium deficiencies and support general vitality.
Key Health Benefits
- Strong Eggshell Production: Providing 35% to 37.8% natural calcium, it helps female birds produce robust, hard eggshells during the breeding season. This prevents thin-shelled, brittle, or soft-shelled eggs.
- Bone and Skeletal Strength: The highly absorbable calcium carbonate aids in building and maintaining strong skeletal structures and bone density, particularly in high-yield laying hens.
- Digestive System Support: It acts as a gentle, natural grinding agent in the bird’s gizzard. This helps break down tough seed hulls, grains, and hard foods to boost overall nutrient absorption.
- Safe, Slow Solubility: Unlike insoluble grits (like flint or granite gravel) which stay in the gizzard indefinitely, oyster shell is soluble. It slowly dissolves via digestive acids, providing a steady stream of minerals without causing dangerous crop or gizzard impactions
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Feeding InstructionsBirds are naturally excellent at self-regulating their mineral requirements.
- Separate Container: Serve the oyster shell “free-choice” in a dedicated, small treat cup or low feeding dish separate from their daily feed. This stops birds from over-consuming calcium when they are simply trying to eat their food .
- Mixing (Alternative Method): For wild garden birds or aviary birds, a generous pinch can be sprinkled directly into your regular bird seed mix or scattered lightly on a clean ground feeding station.
- Availability: Keep a small amount dry and available at all times, replacing any soiled portion regularly




