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Overweight Amazon questions

 
Expert Question

URGENT - I have been a WPT member for well over 20 years and have an urgent question: My Panama Amazon was recently ill and very nearly died. She had stopped eating and had to be fed with a tube. She was in the care of our Avian Vet who, like myself, did not realize that she is obese. The Avian specialist who read her blood results and her xRay said it was probably her liver due to obesity. (She weighed 520 grams). I was told to feed her ANYTHING she would eat and eventually, she did begin eating again. She has been raised on a diet of Harrison's pellets plus fruits and vegetables. She is 17 years old. I found that the weight for a Panama Amazon is normally 480 grams. I ordered an avian scale and began feeding her a diet of phytonutrients as recommended by David McCluggage, DVM (on the web) who maintains that amazons should NOT be fed mostly pellets. I was shocked when the scale arrived and she weighed 615 grams! She has been on this super healthy diet for a month now, with only one or two pellets a day and one "NutraBerry" seed treat. But, AND HERE IS MY DILEMMA/QUESTION: She has NOT lost weight. She weighs around 630 grams. She does get some exercise as she is outdoors in a large macaw cage during the day. I don't know how I can get her to exercise more. I try with interactive toys, etc. She chews a lot and sings opera!! I am terrified she will become ill again if she doesn't lose weight. PLEASE ADVISE: I can't find any answers online after endless searching. Thank you so very much for taking the time to ready this lengthy question/explanation. I am so very, very grateful!
Thanks, Linda




Expert Answer

Hi Linda,

First qualifiers - since I have not examined your bird, I cannot factually corroborate or deny your working premise and diagnosis of obesity and true need for your bird to lose weight. This call should be made with the examining veterinarian you are currently working with. There is considerable variation in body weight for this species - just as there is in human beings! A large bodied and well-muscled bird may weigh easily as much as the numbers you report, and others may be quite obese at those same numbers. Be careful of managing a number (weight) instead of the true bird before you. Ideal weight should be somewhat individually defined, based on the presence of good pectoral muscle mass and an absence of visible or identifiable subcutaneous fat over the abdomen and lateral flanks. This requires the periodic physical examinations of you and your veterinarian. Many Amazon parrots can be maintained in excellent health on a predominately pelletized diet - this data has been around for quite some time.

So, I am somewhat unable to make factual recommendations that will be most appropriate for you and your bird - if clinical obesity is known to be present, work with your veterinarian to reduce caloric intake and increase foraging and caloric burn activities via enrichment of other behaviors. Make sure that weight management is not being based on mere deprivation of calories, but by enrichment. If your bird has gained weight (muscle) but lost fat - you actually may be in a good position at present time. It all depends on the hand's on evaluation and assessments of you and your attending veterinarian.


Brian Speer, DVM
About Brian Speer, DVM

Avian veterinarian Dr. Brian Speer was raised in a small town on California’s coast. He received his BS in Biology from California Polytechnic State University in 1978, and his DVM degree from the University of California at Davis in 1983.

An active member of the Association of Avian Veterinarians (AAV), Dr. Speer is a much sought after guest speaker and has presented at numerous conferences in the avicultural and zoological communities both within the United States and abroad. He is well published in the AAV annual proceedings, has served as guest editor for the journal Seminars in Avian and Exotic Pet Medicine, the Veterinary Clinics of North America, and authored chapters in several recent veterinary medical texts on pet bird, avicultural and ratite medical topics. In 1995 he co-authored the extensive avicultural reference, The Large Macaws, and helped to co-author Birds for Dummies in 1999.

Since 1989, Dr, Speer has run a “bird’s only” practice in the San Francisco Bay area and is the President and Director of The Medical Center for Birds. He is a consultant for The Veterinary Information Network (Avian Medical Boards) and the Maui Animal Rescue and Sanctuary. In 2003 he was the recipient of the Lafeber award for excellence in private practice of avian medicine and surgery and in 2006, was named Speaker of the Year for the North American Veterinary Conference.