الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
Abstract
This study through some light on the important diseases at El-Dakhla Oasis where the pure strain of carniolan honey bee was reared, these diseases was chalk brood, nosema, acarine and varroa. from the view point of survey study, the information levels of each disease were recorded. Also, which help the beekeepers in treatments.
The effect of honey bee diseases on the broad activity of honey bee colonies from the view point of brood rearing and honey yield.