The present study is the result of a collaborative effort between the United Nations Food and Agriculture Organization (FAO) – Regional Office for Latin America (RLAT) – and the International Center for Tropical Agriculture (CIAT). The objetives of this case study are to analyze the historical development of the cattle industry in Latin America: describe beef productivity, production, consumption, and demand, and estimate, in terms of production, the potential impact of new pasture technology on marginal lands of the Latin American tropics. Based on the experience of other countries, where improved pasture technology has been available, the process, applied policies, and results of adoption of the technology are discussed. The main statement of this study is that a feasible means of closing the foreseen gap between potential demand and supply is to increase supply through technological change. Thus the technical parameters of livestock activities can be improved, enhancig the incorporation into production of large areas of marginal lands. Latin America has almost 1000 million ha of acid, infertile lands, most of them Oxisols and Ultisols. Since animal nutrition has been identified as the main constraint to livestock production on these soils, international organizations and national research agencies are dedicating efforts to improve pasture production technology for these marginal lands. These efforts have borne the first fruits with the launching of the grass Andropogon gayanus (CIAT 621) by the Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA) in Brazil, under the name of Planaltina, and by the Instituto Colombiano Agropecuario (ICA) in Colombia, under the name of Carimagua l. The fist part of the study explores the approximate levels of livestock technical parameters in Brazil and Colombia using a simulation model (GENINVEN). It is shown that low, constant parameters over time are consistent with slaughter levels historically observed in both countries. The …
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