Hany Mohamed Ramadan Mohamed <br/><br/>
Influence of some dietary feed additives on layers performance /  
 أثر بعض الإضافات الغذائية في العليقة علي اداء الدجاج البياض 
Hany Mohamed Ramadan Mohamed ; Supervised O. M. Elhussieny , A. Z. M. Soliman 
 - Cairo :   Hany Mohamed Ramadan Mohamed ,   2008 
 - 122P. :   charts ;   25cm 
<br/><br/>Thesis(M.Sc.) - Cairo University - Faculty of Agriculture - Department of Animal Production - Nutrition 
<br/><br/> This experiment was conducted to examine the effect of dietary methionine ,  folic acid and B12 levels and their interactions on laying hen performance ,  immunity ,  egg quality and economic efficiency. The experiment was conducted in a 3 x 3 x 2 factorial arrangement of treatment 
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<br/><br/><label>Subjects--Index Terms: </label>Folic acid Methionine Vitanim B12