01425nam a2200229 a 450000100080000000500110000800800410001910000160006024500830007626002930015952005470045265000220099965000150102165000120103665000260104865000240107470000160109870000210111470000170113570000220115270000210117421026062018-12-28       2018    bl uuuu     u00u1 u    #d1 aPEREIRA, M.  aBeef Cattle Production in Brazilian Integrated Systems.h[electronic resource]  aIn: TROPENTAG, 2018: INTERNATIONAL CONFERENCE ON RESEARCH ON FOOD SECURITY, NATURAL RESOURCE MANAGEMENT AND RURAL DEVELOPMENT, Ghent, 2018. Global food security and food safety: the role of universities: book of abstracts. Ghent: Ghent University, 2018. 594 p. Editor: Eric Tielkes.c2018  aIn Brazil, an estimated 11.5 million hectares are used for integrated systems, as crop-livestock (ICL), crop-forestry (ICF), livestock-forestry (ILF), or crop-livestockforestry (ICLF). Even though the inclusion of trees in crop-livestock systems has been done for many years, a systematic evaluation of the effects of this association is still to be made. Therefore, we evaluated the effect of tree density on the productive performance of Nellore heifers in ICLF in the Brazilian Cerrado compared with conditions where no trees are included.  aAnimal production  aEucalyptus  aNellore  aSilvopastoral systems  aTropical grasslands1 aGLATZLE, S.1 aSANTOS, V. A. C.1 aALVES, F. V.1 aALMEIDA, R. G. de1 aMORAIS, M. da G.