This resultant of the Work of Conclusion of Course ‘ ‘ Osindicadores of the socioprodutivas changes of agriculture and the cattle one in Is doAraguaia Domingos: a study of case of the Cuxi and Almesco’ ‘ IMAZON (1998), currently in the state of Par is muitocomum to the agriculture of cut-and-burns, what it has caused a fast escaladamigratria in the intention of if getting land and producing foods.> Essasituao occurs mainly in the regions of Marab, South of Par, Transamaznica and in older areas of settling, as the Bragantina Zone, for example. 6 This state if characterizes as the possessor of maiorprojeto of irrigation of the world. 7 According to IMAZON (1998), the cattle one practised nesteestado is the extensive one, being that for this, the forests are knocked down equeimadas, for after that standing itself grassy in these ground, that are utilizadosdurante some eventually abandoning years and. The farms, in general way, possess low a density of animals, they are not manejadas in way apropriadae adjusted and the grass frequently is susceptible the illnesses and plagues. Dessaforma, the profit of weight of the animals is low the profits generally noultrapassam 10/ha/ano US$. In the agreement of Chomitz & Thomas (apud SCHNEIDER et al, 2000), the dominant activities of use in areas desmatadasso the creation of gados bovine, thus representing, 77% of the converted area emuso economic. 8 Creation of originary buffalos of India. Essesanimais had been introduced in the region due to offer meat, milk and derivadosde good quality, according to Hunter et al (1997)..