<h2>Zoo Med Laboratories - Avian calcium 8oz</h2><p>Avian Calcium, a pure calcium supplement for all species of birds&#046; The Avian Calcium uses only Precipitated Calcium Carbonate which is white in color and is essentially lead free&#046; Impurities in other sources of calcium carbonate &#040;e&#046;g&#046; Oyster Shell Calcium&#041; cause the supplement to appear gray in color&#046; The calcium carbonate particles in Avian Calcium have a unique shape, and an extremely high surface area per grams, resulting in increased calcium bioavailability&#046; Calcium is essential for the formation and maintenance of strong bones, egg production, blood clotting, and other vital life functions&#046; With Avian Calcium you can take comfort in knowing that your birds are getting highly bioavailable source of calcium carbonate </p><ul></ul>