'''Viral isolation''' can be attempted from nasal turbinates, trachea or exudates and is easiest in turkeys.
'''Viral isolation''' can be attempted from nasal turbinates, trachea or exudates and is easiest in turkeys.
−
Necropsy findings can also be suggestive:
+
'''Necropsy''' findings can also be suggestive:
:'''Turkeys''':
:'''Turkeys''':
::'''Clear to greyish exudate''' is present in the nasal turbinates and excess '''mucus''' is present in the trachea. Inflammatory exudates is evident microscopically.
::'''Clear to greyish exudate''' is present in the nasal turbinates and excess '''mucus''' is present in the trachea. Inflammatory exudates is evident microscopically.