Ahmed Mohamed Fouad <br/><br/>
Response of laying hen perfomance to some dietary vitamins and minerals /  
 استجابة أداء الدجاج البياض إلى بعض الفيتامينات والعناصر المعدنية فى العليقة 
Ahmed Mohamed Fouad ; Supervised Osama Mohamed Elhusseiny , Mamdouh Omar Abdelsamee 
 - Cairo :   Ahmed Mohamed Fouad ,   2008 
 - 81 P. ;   25cm 
<br/><br/>Thesis(M.Sc.) - Cairo University - Faculty of Agriculture - Department of Animal Production 
<br/><br/> This experiment was designed to evaluate the effect of supplemented zinc(ZN)and niacin(NIA)0n laying hen performance egg quality nutrient digestibilty and relative economical efficiency(EEF)from 28 to 43 weeks of age 
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<br/><br/><label>Subjects--Index Terms: </label>Laying hen Niacin Zinc