Clausen, Hjalmar <br/><br/>
Pig breeding, recording and progeny testing in European countries  

 - Rome:   Food and Agriculture Organization of the United Nations,   1958 
 - vi, 128p.  
 - FAO agricultural studies   44 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal husbandry 
<br/><br/><label>Subjects--Index Terms: </label>Fertility  Feeding  
<br/><br/><label>Universal Decimal Class. No.: </label>636.42  / J8