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Pullorum disease

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pullorum disease

An infectious disease of chicks and other young birds caused by the bacterium salmonella pullorum, which is carried in the ovaries of adult hens and appears in the eggs; in incubator-hatched birds, the disease usually involves the lungs and air sacs, but often spreads in flocks of young birds as an alimentary tract infection manifested by severe diarrhoea followed by septicaemia and death.

Synonym: diarrhoea alba, white diarrhoea.