Pathology of Concurrent Infection of Metastrongylus apri with Trichuris suis in a Yorkshire Pig

A two-month-old Yorkshire pig from Undisan Village, Bangli Regency, Bali, Indonesia was found dead, with a history of coughing, decreased appetite, and bloody diarrhea. Fecal examination revealed the presence of Metastrongylus spp. and Trichuris suis eggs. Gross pathology findings included verminous pneumonia, hemorrhagic gastritis, and hemorrhagic typhlitis. Worms were observed in the lungs, as well as on the mucosal surface of the large intestine and cecum. The worms inside the lungs was identified as M. apri, while those in the colon and cecum were T. suis. Histopathological examination revealed mild tracheitis with epithelial deciliation and goblet cell proliferation, emphysematous bronchiolitis, hemorrhagic gastritis, and hemorrhagic typhlitis. Based on these findings, it can be concluded that the pig was diagnosed with Metastrongylosis and Trichuriosis.