Histopathological effects of the nematode Amidostomum acutum on the small intestines of two aquatic birds: Fulica atra and Gallinula chloropus

The small intestine of two rallid aquatic birds (Fulica atra Linnaeus, 1758 and Gallinula chloropus (Linnaeus, 1758) from Bahr Al-Najaf depression, southwest city, mid-Iraq), were infected with the nematode Amidostomum acutum Seurat, 1918 a prevalence 25% 50%, respectively, mean intensity 24.5 30, respectively. showed several gross pathological microscopic lesions in their due to infection this nematode. included hypertrophy anterior part duodenum rough nodules on wall. Microscopic necrosis shortening villi fullness inflammatory cells, degeneration villi, an increased number acini at base intestinal villi.