Thornton, Keith. <br/><br/>
Practical pig production 

 - Suffolk :  Farming,  1973 
 - 190 p.  : láms. ; gráfs. 
<br/><br/><label>LCCN: </label>46629 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ganado porcino--Producción.
<br/><br/><label>Dewey Class. No.: </label>636.4  / T46