Natural trematode infestation in feral Nebrodi Black pigs: Pathological investigations

摘要: Few studies describe the parasites of pigs bred in wild state, although are a known reservoir trematode infestation. This article reports results retrospective study carried out from January 2003 to June 2007 on 3021 Nebrodi Black male and female pigs, regularly slaughtered, aged between 8 months 4 years. Fasciola hepatica Dicrocoelium dendriticum flukes were detected 143 (4.37%) livers. The predominant histological features multifocal diffuse chronic hepatitis, with fibrosis severely thickened walls bile ducts parietal, sometimes nodular inflammation. F. infestation was frequently associated marked hyperplasia hypertrophy submucosal glands. confirm important role swine play transmission infestations, indicate prevalence these Park area, draw attention need for prophylaxis plan prevent spread ruminants humans living area.