I Have Another Question About Grit and/Oyster Shell. Could you use Seashells as Calcium or Grit Or Both?
You can crush seashells for calcium, it should not be used as a general purpose grit as it dissolves very quickly and dumps the calcium into the bird and it's so soft it just crumbles apart and is passed... For normal grit you want an insoluble rock with sharp edges like granite, quartz or flint, of the appropriate size that gets stuck in the gizzard an crushes, grinds, cuts, and mashes the food...
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