Tracer studies on non-protein nitrogen for ruminants, v.3.  Proceedings of a research co-ordination meeting on tracer techniques studies on the use of non-protein nitrogen(NPN)in ruminants, Alexandria, Egypt, 15-18 March 1976; Panel Proceedings Series 

 - Vienna (Austria):   IAEA,   1976.  
 - 157 p. 
<br/><br/> Include bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ruminante<br/>Nitrogenio nao proteico<br/>Fisiologia animal<br/>Nutricao animal<br/>Marcacao com isotopo