TY - BOOK AU - Dina Ahmed Mosselhy Abdelrehiem AU - Alaa Eldin Abdelmouty Mohamed Eissa , AU - Mohamed Abdelaziz Ahmed , AU - Mona Mostafa Husien , TI - Evaluation of the most common bacterial diseases affecting Tilapia species in Lake Qarun / PY - 2013/// CY - Cairo : PB - Dina Ahmed Mosselhy Abdelrehiem , KW - Lake Oarun KW - Ph. damselae , Ps. putida KW - Tilapia species N1 - Thesis (M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Animal Diseases; Issued also as CD N2 - The present work was carried out on 320 Tilapia species which were collected alive or freshly dead at different periods throughout the year , total prevalence among natrurally infected Tilapia species with Ph. damselae , Ps. putida , F. columnare and Strept. fecalis was (18%) , (10.3 %) , (5 %) respectively . The main clinical pictures were darkness of the skin , hemorrhages all over the body surface , anal prolapse , tail , deep ulcerations ER -