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The end of municipal solid waste operations is landfill. Almost all of the Indonesia cityâ€™sÂ landfills use the open dumping system. Generally, wastes dumped in the landfill areÂ dominated by organic materials that potentially used for cow feeding. So that, in someÂ landfills there are cow pasturing with the low cost operation related to the free feedingÂ materials. According to UU No 18/2008, in the year of 2013 open dumping landfill isÂ prohibited operate changed by sanitary landfill. Related to this change, the cow pasturing
in landfill will be affected. So that the cow pasturing in landfill need to be assessed in theÂ aspect of waste reduction, economic values, landfill operation, social conflict, and safetyÂ cow meat. The goals of this study are assessing positive and negative impacts from cowÂ pasturing in the Piyungan Landfill, Yogjakarta. Research methods used are referencesÂ study, interview, counting the cow and direct investigation of landfill operation. ThisÂ study concluded that cow pasturing in landfill has positive impacts for waste reduction
and increasing economic level of people live in surrounds of landfill. Unfortunately, theÂ cow pasturing has also negative impact such as disturbing daily landfill operation, highÂ potent social conflict during landfill rehabilitation, and high content of some heavy metalsÂ in the cow organ. Based on those impacts, the policy of the cow pasturing has to beÂ reviewed because of the importance of sanitary landfill operation in the near future and
the issue of safely consuming meat free from heavy metals.
Key Words: landfill, waste, cow pasturing
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