Ahmed Saad Mostafa <br/><br/>
Effect of some managmental and environmental factors on dairy herds'performance /  
 تأثير بعض عوامل الرعاية والبيئة على كفاءة القطعان الحلابة 
Ahmed Saad Mostafa ; Supervised Hossny Hafeez Emeash , Abd El karim Mahmoud Abd El karim , Mohamed Abd El rahman Elbably 
 - Cairo :   Ahmed Saad Mostafa ,   2004 
 - 202P ;   charts  30cm 
<br/><br/>Thesis (PH.D.) - Cairo University (Beni - Suef Branch) - Faculty Of Veterinary Medicine - Department Of Animal Behavior and Management 
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<br/><br/><label>Subjects--Index Terms: </label>breed Cattle dairy