| histomoniasis | A disease chiefly affecting turkeys, caused by Histomonas meleagridis and characterised by ulcerative and necrotic lesions of the liver and caecum, acute onset, and a high mortality rate. It is transmitted inside the eggs of the nematode Heterakis gallinae, which is primarily responsible for maintaining and spreading the infection. Synonym: blackhead, infectious enterohepatitis. (05 Mar 2000) |
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| histomoniasis |
an infectious protozoal disease caused by Histomonas meleagridis, which is especially lethal to turkeys although chickens and other fowl may also be affected. It is characterized by ulcerative and necrotic lesions of the cecum and liver, and the head may be cyanotic. Called also blackhead and enterohepatitis.
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