Mohamed Sabry Elsayed Mohamed <br/><br/>
Effect of some stress factors on milk production of friesian cows /  
 تأثير بعض العوامل المجهذة على انتاجية اللبن فى الابقار الفريزيان 
Mohamed Sabry Elsayed Mohamed ; Supervised Fatma Mohamed Abdelfattah Tayeb , Yossry Abdelgalil Radwan , Taher Kawther Elneweehi 
 - Cairo :   Mohamed Sabry Elsayed Mohamed ,   1997 
 - 154 Leaves :   charts ;   30cm 
<br/><br/>Thesis(Ph.D.) - Cairo University - Faculty of Veterinary Medicine - Department of Internal medicine and infection diseass