Brucellosis is a zoonotic disease of production animals. It occurs more frequently in cattle in South Africa, but can occur in other species, too. It is caused by Brucella bacteria.
The aborted foetus, the membranes around the foetus, and the fluid from the womb of the aborting cow contaminate grazing areas with bacteria.
Cows are also infected by penetration of the bacteria through the mouth when grazing; penetration of the bacteria through damaged skin; and contamination of the udder. Breeding animals are most susceptible.
Signs of brucellosis in cattle include:
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