Feather Picking and Self-Mutilation
Feather picking is not an uncommon problem in many parrot species. The causes are many and in most cases there is more than one problem contributing to the feather picking. The diagnosis can involve numerous tests and treatment trials to determine if there are concurrent disease, nutritional and /or behavioural problems. Nutritional and husbandry problems are generally involved in the majority of cases.
Beak and Feather disease, Polyomavirus, Poxvirus
Including staphylococcus, Streptococcus, gram negative infections and Mycobacteria
Mites and lice (an uncommon cause of feather picking and self-mutilation)
Protozoa (giardia, hexamita, cochlosoma), worms and coccidia
Especially all seed diets are a problem
Heavy metal (lead, zinc and copper), nicotine and plant poisons
Especially liver, kidney and airsac problems
Trauma, wing clipping, feather cysts, tumours, abscesses, adhesions and granulomas
3. Behavioural Problems
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