01235nam a2200301 a 450000100080000000500110000800800410001910000170006024501530007726001400023030000150037049000460038552002210043165000130065265000160066565000180068165300230069965300270072270000200074970000170076970000220078670000230080870000230083170000240085470000220087870000180090070000150091821041432019-02-11       2016    bl uuuu     u00u1 u    #d1 aLEMES, A. P.  aMethane emissions per area from Holstein and Holstein/Jersey dairy cows in two different grazing systems?preliminary results.h[electronic resource]  aIn: INTERNATIONAL SYMPOSIUM ON GREENHOUSE GASES IN AGRICULTURE, 2., 2016, Campo Grande, MS. Proceedings... Brasília, DF: Embrapac2016  ap.420-424.  a(Embrapa Gado de Corte. Documentos, 216).  aThe increase in greenhouse gases in the atmosphere is a widely discussed topic, with methane (CH4) generally mentioned as a gas with a global warming potential 25 times greater than carbon dioxide (CO2) (IPCC, 2006).  aHolstein  aGado Jersey  aGado Leiteiro  aEmissão de metano  aGases de efeito estufa1 aSAKAMOTO, L. S.1 aALVES, T. C.1 aPEDROSO, A. de F.1 aOLIVEIRA, P. P. A.1 aPRAES, M. F. F. M.1 aRODRIGUES, P. H. M.1 aVILAS BOAS, D. F.1 aAZENHA, M. V.1 aBERNDT, A.