Objective To characterize the pathological changes of laboratory monkeys with bacterial diseases.Methods\Eighty four laboratory monkeys with bacterial infection were selected and divided into 5 groups according to the results of pathobiologic examination: group infected with Salmonella,group infected with Shigella,group infected with tuberculous mycobacteria,group infected with Yersinia enterocolitica and group infected with Campylobacter jejuni.Organs of the animals were processed for pathological examinat...