2,336 bytes added ,  15:02, 29 June 2011
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| align="left" | This question was provided by [[:Category:Manson|Manson Publishing]] as part of the [[OVAL Project]]. See more [[Category: Avian Medicine Q&A|Avian Medicine questions]]
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[[File:Manson avian med 20.jpg|500px|centre]]
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'''This bird has been feather plucking.'''
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<FlashCard questions="5">
|q1= List those medical causes of feather plucking which are or may be infectious, contagious or transmissible.
|a1= PBFD (circovirus); budgerigar fledgeling disease (Polyomavirus: French moult); ectoparasites (e.g. ''Dermanyssus gallinae''); endoparasites (e.g. Giardia sp.); chlamydiosis; fungal dermatitis.
|l1=
|q2= List the non-infectious medical, including metabolic, causes of feather plucking.
|a2= Bacterial dermatitis; pulpitis or folliculitis; allergy; hepatitis; hypothyroidism; skin neoplasia; follicular cysts; post-traumatic injury, or arthritic or scar tissue pain; nutritional deficiency (e.g. hypovitaminosis A; B vitamin deficiencies; essential amino acid deficiencies (e.g. lysine)).
|l2=
|q3= Describe the diagnosis of the aetiologies described in q1.
|a3= PCR for PBFD and BFD; physical examination at day and night for ectoparasites; faecal examination for endoparasites; PCR/ELISA (antigen/antibody) for chlamydiosis; skin scrape microscopic examination and culture for fungal dermatitis; stained impression smear, culture and sensitivity for bacterial infections. Also, haematology
and biochemistry, thyroid stimulation test, biopsy and histopathology, improved diet and monitoring response to therapy.
|l3=
|q4= List the environmental causes of feather plucking.
|a4= Excess tobacco smoke; excessively dry atmosphere; excessive day length in direct sunlight; lack of environmental enrichment.
|l4=
|q5= List the psychological causes of feather plucking.
|a5= Attention seeking; boredom; overcrowding; environmental change or lack of routine; sexual frustration; excessive preening; post untidy feather or wing clipping.
|l5=
</FlashCard>

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