Ullrey Duane E.                                                     <br/><br/>
Encyclopedia of animal science 

 - 2nd 
 - Boca Raton  CRCpress LLC  2011 
 - 534 
<br/><br/><label>ISSN: </label>978-1-4398-5098-5 
<br/><br/><label>Dewey Class. No.: </label>636