The Pathology of Infectious Sinusitis of Turkeys

THE high incidence of infectious sinusitis in turkey flocks throughout the United States and certain parts of the world clearly demonstrates the need for more research in the etiology, epizootiol-ogy and pathology of this disease in order to bring it under control. Tur-key growers in the State of Virginia con-sider this to be the most important infec-tious disease of turkeys. Hungerford (1939), in Australia, states that with the exception of blackhead it is probably the most important disease affecting turkeys in the State of New South Wales. Com-paratively few studies have been made of infectious sinusitis and the phases most extensively investigated have dealt with treatments. A thorough study of this infection is now being made in an attempt to gain information which may lead to effective control by preventive measures. REVIEW OF LITERATURE Distribution and synonyms. The disease of turkeys usually referred to as infectious sinusitis has been reported in England b