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Swine activity developed in an environment of fragile ecosystems, such as reserve area the eastern hills of Bogota, located between 3,000 and 3,200 meters, requires contemplated technological models that guarantee the permanence of environmental goods and services, economic sustainability the habitants of the region and population welfare. We evaluated the program • zero effluents "in 7 swine production farms, located on the banks of the tributaries of the river Teusaca to 3,200 m of the “Verjon Alto”, village of Bogota, DC. Samples were taken off of surface water in each site before and after the production unit. It was obtained in situ pH, temperature and dissolved oxygen. Ammonium were determined in laboratory, fecal coliforms, total coliforms, BOD, COD, total phosphorus, fat and oils, total Kjeldahl nitrogen, total suspended solids and settleable solids. Analysis was carried out by comparing results with regulations. The physical and chemical values were within permissible limits. In short the water in the study area has high quality in terms of the purposes of the reservation.

Determinación de calidad hídrica en sistemas de producción porcina con cero vertimientos, en reserva forestal de los cerros orientales de Bogotá, D.C.