Asnbrook, Frank G <br/><br/>
Castration of young pigs  / 
Frank G. Ashbrook 
 - Washington  :   Department of Agriculture 
 - 6 p. 
 - EUA. Dept. of Agriculture Farmer's bull.; 780 .
<br/><br/><label>LCCN: </label>203537 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ganado porcino -- Castración