Proceedings of Second World Conference on Animal Production held at University of Maryland, College Park, Maryland, USA, July 1968 
American Dairy Science Association. 
 - Urbana  American Dairy Science Association  1969 
 - xix, 537p  27cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal husbandry.
<br/><br/><label>Dewey Class. No.: </label>636.08  / W83P