Mohamed Ali Mohamed Gebely <br/><br/>
Some trials for control of sheep scab in Siwa Oasis /  
 بعض المحاولات للتحكم فى مرض الجرب فى الاغنام فى واحة سيوة  
Mohamed Ali Mohamed Gebely ; Supervised Amal Abdelaziz Elmolla , Waheed M. A. Moussa , Salwa M. M. Habeeb 
 - Cairo :   Mohamed Ali Mohamed Gebely ,   2012 
 - 148 Leaves :   charts , photographs ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Veterinary Medicine - Department of Internal Medicine and Infections Diseases  
<br/><br/> The epidemiology of the disease was investigated on 1647 sheep from different localities in Siwa oasis . Skin scrapings were collected from sheep showing signs of sarcoptes infestation which was confirmed in 181 sheep after parasitological examination . The effect of seasonal variation on the prevalence of sarcoptes was studied and the highest prevalence was detected in the winter also the effect of age on the prevalence of sarcoptes was studied and the highest prevalence was detected in the sheep aging between 2 and 3 years 
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<br/><br/><label>Subjects--Index Terms: </label>Mange  Sarcoptes  Siwa oasis