Ruiz, Manuel E <br/><br/>
New animal feeding systems based on the intensive use of tropical by products  / 
por  Manuel E Ruiz 
 - Turrialba, Costa Rica  :  CATIE,  1976 
 - 7 p. 
<br/><br/> reimpreso de : Proceedings International Symposium Feed Composition.  Animal Nutrient Requeriments, and computerization of diets (1 : Utah, USA : 1976) 
<br/><br/><label>LCCN: </label>163603 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alimentos y alimentación--Trópicos