Advice for anyone getting a bird species known to carry avian gastric yeast. The best way for pet owners to prevent AGY infection is to select healthy birds from reputable breeders. If you are bringing new birds into your household, they should be quarantined for 30 days before being placed with your current birds. Ideally any new birds should also be examined by a veterinarian, and birds of a susceptible species, such as budgerigars, may be tested for AGY to further reduce the risk of bringing this organism into your household.
Top of the list species are budgies, then cockatiels, parrolets and lovebirds. By all means please do not purchase one of these species from a pet store. Chances are high for avian yeast infection.