When parakeets and also other birds try to eat they cleverly peel the husk clear of seeds with their beaks. The husk is then discarded by the birds and in a normal cage It will probably be blown out in the event the birds fly and land on the ground. https://fernandoyftnn.blogsumer.com/30499086/the-fact-about-blue-macaw-for-sale-that-no-one-is-suggesting