Changes

It can also affect game and wild birds.  

It can also affect game and wild birds.  

==Clinical Signs==

==Clinical Signs==

'''Lameness, abnormal curvature''' of the limbs, deviation of the limbs and feet, stiff gait.

Most birds exhibit '''lameness, abnormal curvature''' of the limbs, deviation of the limbs and feet and a stiff gait.

'''Dehydration, decreased production''', reluctance to move

'''Dehydration and decreased production''' usually manifest and birds are reluctant to move.

'''Tachypnoea, sneezing, purulent nasal discharge''', open mouth breathing

'''Tachypnoea, sneezing, purulent nasal discharge''' and open mouth breathing are common but non-significant.

 

==Diagnosis==

==Diagnosis==

Clinical '''signs''' and '''necropsy''' findings are suggestive but not pathognomic so laboratory diagnosis is necessary.

Clinical '''signs''' and '''necropsy''' findings are suggestive but not pathognomic so laboratory diagnosis is necessary.