Recent developments affecting livestock production in the Americas / 
edited by Ralph W. Phillips, deputy director. 
 - Rome :  Food and Agriculture Organization of the United Nations,  1956. 
 - FAO agricultural development paper ;  no. 55 .
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>57002191 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Livestock -- Research.--Livestock -- Research.