Water

The most important of all. Fresh water is very important for all species in captivity. Clean water, free from droppings that will cause infections, should be refreshed daily

Egg/Cake Mixture

Egg and cake mixture is recommended to all species. It contains a large spectrum of the required vitamins and minerals.
Egg/cake mixture is recommended to all species particularly when young are in the nest.

Cuttlefish bone

Good quality, clean and dry cuttlebone contains calcium and many of the required minerals for maintenance, growth and egg production.
Nearly all egg laying hens will consume quantities of fresh cuttlebone. But those that lack enthusiasm for it can be provided by some calcium supplements.

Calcium Grit

Another possibility for providing calcium to birds. Calcium grit can be provided directly on the ground or in bowls.

Iodine Block

Iodine blocks contain often next to iodine also calcium. Some birds like cuttlebone and others like iodine blocks.

Calcium Supplements

Calcium supplements can be mixed into egg/cake mixture or direct within seeds. Also in the drinking water is used. With calcium supplements birds are more likely to receive their calcium requirements.
Especially for those that lack enthusiasm for cuttlebone.

Insects Mixture

Although Asiatic parakeets are seed eaters, they also eat some insects. This mixture contains dried insects, honey, raisins and some berries. Required animal protein will be provided to the birds. Insects mixture can be mixed with egg/cake mixture or directly with seeds.

Vitamin Supplements

Good vitamin supplements contain all required vitamins and minerals. There are liquid vitamin supplements which are provided mixed with water. The powder form is used by mixing with egg/cake mixture.