Histopathological Study of Infection with Helminthic Parasites Intestinal of some Tigris River Fish passing Through Tikrit City, Iraq Jasim AlShaima Mohammed1, Muhsin Sinai Najy2, Abed Ail Mohammed1 1College of Science, University of Tikrit, Iraq 2College of Dentistry, University of Tikrit, Iraq Online published on 2 February, 2019. Abstract A total of 100 fsh samples were collected from Tigris river at Tikrit city, during the period from September 2017 to March 2018. These fshes were belonging to ten species which were Alburnus sellal, Arabibarbus grypus, Carasobarbus luteus, Coptodon zillii, Cyprinus carpio, Cyprinus kais, Leuciscus vorax, Luciobarbus Xanthopteru, Mystus pelusius and Silurus triostegus. The results revealed infection with four species of worms including three cestoda Eubotherium salvelini, Schyzocotyle acheiognathi in cyprinus carpio with percentage of infection(5.2, 10)% respectively and Ligula intestinalis in Coptodon zillii with percentage of infection (9)%. One specie acanthocephala (Neoechinorhynchus zabensis) in Arabibarbus grypus and Carasobarbus luteus with percentage of infection(20, 5.8)% respectively. In this study also recorded two new hosts including Eubotherium salvelini and Ligula intestinalis were recorded the frst in Iraq. The present study included the histopathological changes on the intestine which infected with parasitic worms (acanthocephalan, cestoda). It has been differentiated the intestinal villi appeared with epithelial degeneration and cellular debris in the luman of intestinal, also the basement membrane of this epithelium was displaced from the core of villus, cavitation in muscular layer, complete sloughing of epithelium in intestinal cavity and white blood cells infltration especially in lymphocyte cells. Top Keywords Tiger fish, Worms, histopathology, cestoda. Top |