Aref, N. M.  <br/><br/>
Some trace elements and  antioxidants profile in ill-thrift friesian calves  [electronic resource]. 
 مستويات بعض العناصر النادرة ومضادات الأكسدة في العجول الفريزيان ضعيفة النمو. 

 - p.144-153. 
<br/><br/>Includes references. 
<br/><br/> Trace elements are the basic components of enzymes and co-enzymes in the biochemistry ofnuninanls. They function in all aspects of life, from energy production, blood homeostasis, 10 digestion and reproduction. Thus, their deficiency often leads to su\}..
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trace elements in nutrition.<br/>Trace elements--Physiological effect.<br/>Antioxidants--Health aspects.<br/>Calves--Growth.