Limestone Flour or Calcium Carbonate is used as food supplement for horses, tortoise, turtles, snails, reptiles, pigeons, chickens, ducks, poultry, and many other animals.
Horses; calcium is required for healthy bone, tissue, and hoof development. Limestone flour can be used as an antacid and helping to avoid digestive upsets. The calcium in limestone flour is especially useful as a balanced supplement to grain feeds, such as wheat, which are high in phosphorus.
Chickens, ducks, geese, guinea fowl, and other poultry; limestone flour is easily digested and easily added to poultry food, especially grain feeds, where it complements the grain’s phosphorus contents. In poultry it is essential for egg shell development, healthy bone development, and healthy tissues.
If you are unfamiliar with using limestone flour as a food supplement, please seek the advice of a vet or animal dietician, for correct dosages.