Nuclear techniques dor assessing and improving ruminant feeds. Proceedings od a combined consultants meeting, Vienna , Austria, 30 November-4 December 1981; Panel Proceedings Series - Vienna (Austria: IAEA, 1983. - 259 p. Includes bibliographies: Summaries (En) Subjects--Topical Terms: RuminanteAlimentacao animalIsotoposNitrogenio nao proteico SubprodutoIndustriaCeluloseMetabolismo