El-Prollosy, Ali Abd El-Hady Saad Mohamed. <br/><br/>
Effect of photoperiod and the ratio between omega-3 and omega-6 fatty acids on productive and reproductive performance and immune response of Local laying hens   [computer file]/ 
 تأثير فترة الإضاءة والنسبة بين أوميجا-3 وأوميجا-6 على الأداء الإنتاجى والتناسلى والاستجابة المناعية للدجاج البياض المحلى. 
Ali Abd El-Hady Saad Mohamed El-Prollosy. 
 -  2012. 
 - Computer laser optical disk;   4 3/4 in. 
<br/><br/>Thesis (Ph. D.) -- Alexandria University, 2012. 
<br/><br/>Includes bibliographical references (leaves 96-111) 
<br/><br/><br/>Systems requirements: Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hens--Immunology.<br/>Hens--Production.<br/>Omega-3 fatty acids.<br/>Omega-6 fatty acids.<br/>Immune response.