Manna Pro Oyster Shell is the perfect addition to your flock's feeding regiment to help strengthen eggshells.

Pellet size crushed oyster shell.
Great source of calcium.
Builds strong eggshells.
Heat-treated for purity.

Safety Data Sheets:

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[instruction]Layers: Feed Manna Pro Oyster Shell to layers free choice in a separate feeder, or add 1 lb. to 20 lbs. of layer feed. Pullets: Feed Manna Pro Oyster Shell to pullets starting at 18 weeks of age and continue feeding through the entire lay period.[/instruction]