| serologic follow-up of a repopulated swine herd after an outbreak of proliferative hemorrhagic enteropathy. | lawsonia intracellularis is an obligate intracellular organism that causes porcine proliferative enteropathy, a widespread infectious disease. very little is known about the immune response and the epidemiologic features of the disease in the field. the aims of this study were to evaluate the duration and titers of antibody specific for l. intracellularis in gilts after an outbreak of proliferative hemorrhagic enteropathy (phe), to evaluate maternal antibodies in piglets, and to evaluate serocon ... | 2002 | 12418781 |