EVALUATION OF INDIRECT IMMUNOFLUORESCENT TEST AND FREQUENCY OF ANTIBODIES DETECTION FOR LAWSONIA INTRACELLULARIS AGAINST THIS BACTERIA IN THE STATE OF MINAS GERAIS

摘要

Lawsonia intracellularis is the etiologic agent of porcine proliferative enteropathy (ileitis). It's a gram negative bacteria that is obligatelly intracellular. This microorganism causes many losses in swine herds due to lower growth rate, predisposition to other diseases, substancial antibiotic costs and ocasionally death. Porcine proliferative enteropathy is a disease of worldwide distribution. There are variable clinical signs of the disease. The acute form of the disease consists on severe diarrhea and acute death. The subacute and chronic forms are associated with reduced growth rate and diarrhea.