01112nam a2200229 a 450000100080000000500110000800800410001910000210006024501150008126001400019630000150033649000460035152003480039765000160074565300080076170000200076970000170078970000220080670000190082870000200084770000150086721040382019-01-14       2016    bl uuuu     u00u1 u    #d1 aFERNANDES, R. M.  aEffect of the use of the SF6 tracer gas technique on the performance of Nellore Cattle.h[electronic resource]  aIn: INTERNATIONAL SYMPOSIUM ON GREENHOUSE GASES IN AGRICULTURE, 2., 2016, Campo Grande, MS. Proceedings... Brasília, DF: Embrapac2016  ap.472-473.  a(Embrapa Gado de Corte. Documentos, 216).  aAlongside the increasing global demand for red meat there is also increasing pressure from environmentalists to increase the productivity of systems. Recent studies have highlighted the environmental aspects of production systems, assessing methane (CH4) emissions, the principal gas emitted by ruminants, among other sources of GHG emissions.  aGado Nelore  aCH41 aSAKAMOTO, L. S.1 aBERTI, G. F.1 aVILAS BOAS, D. F.1 aANDRADE, L. L.1 aSIQUEIRA, G. R.1 aBERNDT, A.