Merck Manual

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Infectious laryngotracheitis virus, severe hemorrhagic tracheitis, broiler
Infectious laryngotracheitis virus, severe hemorrhagic tracheitis, broiler
Infectious laryngotracheitis virus, severe hemorrhagic tracheitis, broiler

Severe hemorrhagic tracheitis with mucus due to infectious laryngotracheitis virus in a broiler.

Courtesy of Dr. Maricarmen Garcia.