GOODWIN H. DERKE <br/><br/>
PIG MANAGEMENT AND PRODUCTION 

 - LONDON  HUTCHINSON EDUCATIONAL  1973 
<br/><br/><label>ISBN: </label>0 09 110891 8 
<br/><br/><label>LC Class. No.: </label>636.408/GOO  / 2 
<br/><br/><label>Dewey Class. No.: </label>636.408/GOO  / 2