| detection of lawsonia intracellularis in faeces of swine from the main producing regions in brazil. | swine proliferative enteropathy is an enteric disease caused by lawsonia intracellularis which affects animals between 6 and 20 weeks of age, causing diarrhea, anorexia, and poor growth. the presence of l. intracellularis was evaluated in the faecal samples of 636 swine from 75 randomly chosen herds in the main swine-producing regions of brazil. the pathogen was detected by the polymerase chain reaction method (pcr) using l. intracellularis specific primers. a 319-bp dna fragment specific for l. ... | 1999 | 10408095 |