TY - GEN ED - International Atomic Energy Agency Vienna TI - Tracer studies on non-protein nitrogen for ruminants: proceedings of a panel on the use of nuclear techniques for studying animal protein production from non-protein nitrogen organized by the joint FAO / IAEA division of atomic energy in food held in Vienna 11-15 October 1971 PY - 1972/// CY - Austria PB - International Atomic Energy Agency KW - Nitrogen in animal nutrition--Congresses KW - Radioactive tracers in animal nutrition--Congresses KW - Ruminants--Feeding and feeds--Congresses KW - Proteins--Synthesis--Congresses ER -