Ahmed, Asmaa Ahmed Saad. <br/><br/>
Effect of supplementation with various sources of antioxidants on productive and reproductive performance of laying hens  [electronic resource] / 
 تأثير أضافة مصادر مختلفة لمضادات الأكسدة على الأداء الأنتاجي و التناسلي للدجاج البياض 
Asmaa Ahmed Saad Ahmed 
 - 2022. 
<br/><br/>Thesis (Ph.D.) -- Alexandria University, 2022. 
<br/><br/>Includes bibliographical references (Leaves 79-88) 
<br/><br/><br/>Systems requirements : Adobe Reader 
<br/><br/><br/>Summary in Arabic 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antioxidants--physiology.<br/>Hens--Nutrition.<br/>Hens--Feeding and feeds.<br/>Hens--Reproduction.<br/>Immune response.<br/>Eggs--Quality.<br/>crude protein.