Koriet, Ismail Saied Ibrahim. <br/><br/>
The effect of some environmental factors during pregnancy of friesian cows on milk production and birth weight of calves  [microform]/ 
 تأثير بعض العوامل البيئية أثناء فترة الحمل على إنتاج اللبن و أوزان العجول عند الميلاد فى ماشية الفريزيان. 
Ismail Saied Ibrahim Koriet. 
 -  1978. 
 - 107, 4 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--AL-Azhar University, 1978. 
<br/><br/>Includes bibliographical references (leaves 97-107). 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>2 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Milk yield<br/>Friesian cattle.<br/>Cattle--Feed utilization efficiency.<br/>Cattle--Feeding and feeds--Climatic factors.