THE SUDAN JOURNAL OF VETERINARY RESEARCH
HONORARY MEMBERS
Dr. Gaafar Karrar
Prof. Mohammed El Nasri Hamza
Prof. Ahmed Ali Mustafa
Prof. Mohammed Saeed Harbi
Prof. A/ Gadir Ahmed Wahbi
EDITORIAL BOARD
Prof. Faisal Awad Ahmed Chairman
Prof. Ali Mohammed A/ Majid Editor- in-hief
Dr. Awad Mahgoub Atta El Mannan Secretary
Dr. Magdi Badawi A/Rahman Business Manager
Dr. Mohammed Mohammed Salih
Prof. Omer Fadul Idris
Prof. Mohammed A/ Gafar El Amin
Prof. El Amin Daffalla
Prof. Abdu El Dawi Abdalla
Prof. Suliman Mohammed El Sanousi
Prof. Elsayed El Siddig Elowni
Dr. El Zubeir Darrag Mohammed El Amin
Dr. Mohammed Omer Salim
Dr. Hassan Ali Bakhiet
Dr. Amal Mustafa
Dr. Hassan El Subki Khalid
Consultant: Prof. Martin Taylor ( L S H T M )
London School of Hygiene and Tropical Medicine
Reviewing Editor: Dr. El Zubeir Darrag Mohammed El Amin