Natural Oyster Shells
Natural oyster shells are a high purity feed grade calcium carbonate processed from oyster shells. Oyster shells are high in calcium and low in magnesium. Oyster shells are an excellent source of calcium recommended for inclusion in feed rations for poultry to ensure optimum eggshell quality. Oyster shells stay in suspension throughout the feed line making the calcium available to all the birds. Oyster shells very high and consistent form of calcium is obtainable several hours after feeding to help protect the medullary bone.