Abortion outbreak in a dairy herd

Lucas Pantaleon

Neospora caninum is an important cause of abortion in dairy herds worldwide. The definitive hosts for this protozoa are members of the Canidae family (dogs, foxes, etc.) who become infected by eating meat from infected intermediate hosts, they then shed oocysts in their feces. Cattle, an intermediate host, acquire the infection by ingesting oocytes or via the trans-placental route. In cattle fetal death with either abortion or mummification can occur. Fetuses that became infected before the first 100 days of gestation, do seldom survive since their immune system is underdeveloped.

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