Manufacturer: Vetafarm Registered Name Calcivet Liquid Calcium and Vitamin D3 Supplement for Birds Composition Calcium borogluconate 33 g/L, vitamin D3 25,000 IU/L. Indications To supplement diets of ornamental caged birds which may be deficient in calcium and vitamin D3. Dosage and Administration Mix 20 mL/L drinking water or pour 5 mL over a cup of soaked seed. Individual bird dose is 0.2 mL/100 g bodyweight.