![]() After performing over 50 autopsies, we found an extraordinarily high incidence of adrenal gland lesions with evidence of Pacheco's Disease or other causes of Inclusion Body Hepatitis in the tissues. We have not been aware of any large number of these birds that has lived more than four years, but we do know of two that have remained stable beyond this period of time. We began an intensive study of this condition about seven years ago which has included post-mortem examinations (autopsies) and clinical pathology (blood, etc.) work ups. It has been caJJed "Cockatoo Rot ' "Beak Rot ' "Cockatoo Endocrine Syndrome ' "Psittacine Beak and Feather Disease Syndrome (PBFDS):' "White Cockatoo Disease ' "Cockatoo Feather Loss and Malformation Syndrome ' "Feather Maturation Syndrome ' "Cockatoo Apter ylos is}' and "Feather and/or Rhamphothecal and Ungual Keratodysgenesis'.'įormerly, these birds were usually "foisted onto" unsuspecting bird buyers by unscrupulous or simply ignorant sellers who usually told the prospective buyer that the bird had been "caught in tar" and that the feathers "would surely grow back," or that the bird was suffering from a "dietary deficiency" which would "straighten out" with improved husbandry, or that the bird was undergoing a "severe moult." These birds would instead exhibit a chronic, progressive deterioration of beak and feathers and most would eventually succumb to a variety of diseases. The Cockatoo Feather Loss Syndrome has several other symptoms. It is for these reasons that we elected to write this article. Clearly such is not the case, as evidenced by the continued large number of bewildered clients we see with these birds and more recently, by correspondence with a distraught cockatoo owner in New York who had sought the help of several veterinarians and the advice of several aviculturalists regarding this problem with no resultant satisfaction. ![]() ![]() Because these birds and their medical affliction is so common to us we have had a tendency to assume, over the years, that most Jay people have equal familiarity with this condition. For the last 15 plus years, in clinical practice, we have seen countless pitiful cockatoos with mild to severe feather (and sometimes beak) abnormalities, presented by heartbroken owners for diagnosis and treatment.
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