Youssif, Ahmed Ibrahim Ali. <br/><br/>
Estrous synchronization as a tool to improve reproductive efficiency in ewes  [computer file]/ 
 التزامن الشبقى كوسيلة لتحسين الكفاءة التناسلية للنعاج. 
Ahmed Ibrahim Ali Youssif. 
 -  2014. 
 - Computer laser optical disk;   4 3/4 in. 
<br/><br/>Thesis (M. Sc.) --  Mansoura University, 2014. 
<br/><br/>Includes bibliographical references (leaves 85-95) 
<br/><br/><br/>Systems requirements: Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ewes--Reproduction.<br/>Ewes--Breeding.<br/>Estrus.