A. Ministry of Animal Resources, Sudan, Veterinary Officer, 1963 – 1964
B. University of Khartoum, Sudan
C. Poultry Research Centre, Edinoburgh: Research Fellow,
sponsored by the Population Council, New York. 1971 – 1972
D. King Saud University, Riyadh, Saudi Arabia:
Associate Professor: Zoology Department. Dec. 1975 – Sept. 1976
E. King Faisal University, Al/Hasa Saudi Arabia:
F. External Appointments: