IMPACTOS Y REGULACIONES AMBIENTALES DEL ESTIÉRCOL GENERADO POR LOS SISTEMAS GANADEROS DE ALGUNOS PAÍSES DE AMÉRICA ENVIRONMENTAL REGULATIONS AND IMPACT OF MANURE GENERATED BY LIVESTOCK OPERATIONS IN SOME AMERICAN COUNTRIES

摘要: Manure generated by livestock operations can cause negative impacts on the environment if there is no control of its storage, transport or application. emits greenhouse gases into atmosphere, and micro macro nutrients accumulate in soil bodies surface water. Today, USA specific legislation exists for management deposition animal excreta that impact water, which supervised certified Environmental Protection Agency (EPA). In Canada regulations manure are less rigorous. Argentina, Chile, Colombia Mexico regulation government vigilance use mature scarce confusing, specifying only certain norms discharges pollutants while giving importance to emissions atmosphere soil, clear specifications related manure.