Khalifa, Zeinab Aly Abdou. <br/><br/>
Effect of crossing native cattle with friesian on milk production traits in Egypt  [microform] / 
 تاثير خلط الماشية المحلية مع الفريزيان على صفات انتاج اللبن فى مصر. 
Zeinab Aly Abdou Khalifa. 
 -  1994. 
 - 154,5 Leaves :  ill ;  30 cm. 
<br/><br/>Thesis (Ph.D)-- Alexandria University, 1994. 
<br/><br/>Includes bibliographical references (leaves117-154) 
<br/><br/><br/>Microfiche . <br/>ASUNET, <br/>Ain Shams University, <br/>3 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Milk yield--Egypt.<br/>Dairy cattle--Breeding.<br/>Friesian cattle.