The course is a practical guide to all veterinary student to establish the basic concepts of avian medicine including infectious and noninfectious disease .The students are introduced to diseases by an outline of the bird's anatomy ,physiology & biochemistry .And then ,each disease is dealt with certain items :etiology ,pathogenesis & epizootiology ,signs ,gross & microscopic lesion, diagnosis ,treatment ,& preventions kodachrome slides are used to increase the activity of the lecture & to enhance the impressions of the students.