Page 179 - BSAVA Guide to Pain Management in Small Animal Practice
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           Pain in birds










           Steve Smith






           Recognition and                         •   lu ed up appearance
           evaluation of pain in birds             •  Sleepy, partially closed eyes
                                                   •  Separation from other  ock members
                                                   •  Reduced social self grooming
           E ective assessment, treatment and      •  Excessive preening feather plucking
           prevention of pain in birds remains challenging.   •  Vocali ation
            ost birds are prey species and mask the   •  Increased excessive movement
           signs of pain to reduce the chance of predation   •  Reduced activity movement  such as beak
                                                    clicking or climbing
           or to prevent movement down their hierarchy.   •  Absence of vocali ation
           Birds often fail to demonstrate outward signs   •   ailure to engage with owner
           that are typically associated with pain in other   •   uarding behaviour
           animals, for example birds exhibit minimal   •  Aggression
           facial expression; a characteristic often used to   •  Any other abnormal behaviour
           aid pain assessment.  here are also intra     3    bserved signs of pain in birds. It should
           species di erences in pain sensitivity and even   be noted that the signs of pain can be wide
           genetic variability.  or example, response to   and varied  and sometimes con icting .
           pain has been demonstrated at the individual
           level in di erent strains of chickens   ughes,   survival, can hinder decision making; for
           199  . Behavioural changes can be cryptic and   example, immobility under observation may
           subtle and do not manifest uniformly among   or may not be associated with pain.  eather
           di erent types of bird   igure 7.   .  nowledge   grooming is another behaviour that can
           of normal species speci c behaviour, as well   change variably in relation to pain  birds may
           as individual  behavioural characteristics, are   stop grooming when in pain or, conversely,
           important, hence, owners are often best at   preen excessively when in pain as an
           detecting early signs of pain and assessing   intentional distraction.
           response to analgesia.                    Successful treatment of bird pain relies on
              Some behaviours that birds exhibit, which   accurate pain assessment.  his remains highly
           have evolved over thousands of years for   sub ective and the clinician is left to rely on

           174                      BSAVA Guide to Pain Management in Small Animal Practice. Edited by Ian Self. ©BSAVA 2019



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