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Abstract
All thanks to GOD, the kindest, the most gracious, the most powerful and the most merciful who gives me all what I have from blesses and without his merciful help, this work would not be completed.
I would like to express my deep sense of grateful and cordial thanks to my expert advisor Prof. Dr. Asmaa Omar Ali Professor of animal Internal medicine, Faculty of Veterinary Medicine, Suez Canal University for her support all around the work, for beneficial advices and guiding and exerting every possible help for finishing this work.
Many thanks to Prof. Dr. Roshdy Fawzy El-Sayed Professor of animal Internal medicine, Faculty of Veterinary Medicine, Suez Canal University for his advices, his help, continuous supervision and great support to finish this work.
Also, my great high obligation for Prof. Dr. Tharwat Salem Nafie Professor of animal Internal Medicine and Clinical Laboratory diagnosis, Faculty of Veterinary Medicine, Suez Canal University, who helped, supported and advised me all over the work.
Many thanks to Prof. Dr. Ahmed Anwar Professor of Parasitology, Faculty of Veterinary Medicine, Suez Canal University, for his help in identification of parasites and supporting me with the helpful scientific papers.