Jennings Ralph D. <br/><br/>
Consumption of feed by livestock, 1909-56 :  Relation between feed, livestock, and food at the national level / 
Ralph D. Jennings ; U.S. department of agriculture. 
 - Washington, DC :  U.S. Department of Agriculture,  1958. 
 - 128 p. :  tables, fig. ;  24 cm. 
 - Production research report  21 .
<br/><br/> Footnotes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Livestock