| pneumonia associated with bordetella bronchiseptica in captive koalas. | bordetella bronchiseptica was isolated from 12 cases of purulent bronchopneumonia from a captive koala colony near brisbane, queensland. an initial epizootic in march 1967 causing 13% mortality was followed by annual outbreaks causing 2% mortality usually in newly weaned and aged koalas in late winter to early spring. high population density and a low plane of nutrition in winter were thought to predispose to the occurrence of the disease. | 1979 | 543834 |