VITAMIN D WITH CALCIUM FOR BIRDS - PHOENIX 60 mlHigh potency nutritional supplement based on calcium, magnesium and vitamin D3, to help maintain healthy bones and a strong bone structure. This formula is created to promote good egg laying and incubation, maintaining strong bones and overall well-being of your bird.Dosage and administration:Large birds: 30 drops in 8 oz of water (Prepare a new solution per day).Small birds: Administer directly into the beak or add 3-4 drops to the dry feed ration or in the water.