Yang Gao forbidden zone close breeding farms into big pollution – water pollutio
HC Environmental Network Gao region have large-scale farms 1620, the current farm COD, ammonia nitrogen emissions accounted for 76.19% of total emissions from the region and 76.29%, far more than industrial emissions, water discharge sewage discharge more than much more.
Livestock and Poultry Pollution concentration According to reports, issued in the regulation before the implementation of the program, the district Environmental protection Department has the lead over a scale called the region the status of Livestock and Poultry Pollution investigation and study. The so-called "large-scale livestock and poultry farms," farming is more than 50 pigs, chickens or more than 5,000 birds (ducks, geese), or 30 more cattle livestock and poultry farms, as well as the required size of the standard of other types of livestock poultry farms. Based on these standards, by statistics, last year the region has a smart pig herds up to 164,300, 5,092,000 poultry breeding birds. According to the survey master, the current large-scale farms in the region a total of 1620, which Dutch city of 152, and 264 Yang, Ming City, 260 and even more to 944.
District Environmental Protection Bureau, says that surveys can be found, smart scale farms concentrated in even more to the town, the town's three birds and pigs accounted for field-scale field survey of the total 36.63 percent and 21.60 percent.
According to the Bureau introduced livestock pollutants generated are two major categories: First, livestock manure. Survey shows livestock farming manure in the region produced 332,060 tons total. First, the amount of sewage farming industry, now the region of such water to 5.2921 million tons of total emissions. Street, in a town, because most large-scale farms, but also co-produced two types of pollutants in the town is also the largest. Among them, the fecal production accounted for 58.24% of total region, aquaculture wastewater accounted for 40.25% of total.
For more cooperation on the town, the council official said, be more rapid development of aquaculture in recent years, which makes the original purpose for the storage reservoirs, ponds and farms are basically open to the use of the three main breeding birds and pigs and some supporting fish. "More cooperation is the birthplace of Cang river, the town produced large-scale farms on water quality of agricultural pollution has caused great impact."
Livestock and poultry farms COD, ammonia nitrogen emissions are nearly eight percent in the whole region
On aquaculture pollution harm, the District Environmental Protection Bureau said the focus on Soil And water pollution on. Farm effluent, including urine, washing things, some of faeces and food residues, animal products processing wastewater, which contains a large number of organic compounds, pathogenic microorganisms, parasites and eggs, and heavy metals, the discharge of untreated sewage will contaminate surface water, groundwater, rivers, ponds. Decomposition of organic matter in water, consumption of dissolved oxygen in the water, making anaerobic bacteria thrive. Either aerobic or anaerobic, effluent contains large amounts of organic matter are very good nutritional foundation pathogenic microorganisms.
"Do not search do not know, an investigation surprised." Council official said, usually we think of industrial pollution is one area the largest sources of pollution of water, but the survey indicated that smart aquaculture pollution in the present emphasis on the industry, residential.
Survey, the region livestock and poultry farms COD emissions 16,712.482 tons, accounting for 76.19% of total emissions from the region; ammonia emissions 1345.898 tons, accounting for 76.29% of total emissions from the region. The same period, the industrial emissions of 2,120.47 tons COD, ammonia nitrogen emissions of 72.21 tons, see "livestock industry is much greater than emissions from industrial emissions."
Pigs, according to a quantity of sewage discharged every day personal lives is equivalent to 7 of wastewater, 60 Broiler Converted into a pig's simple conversion, waste water discharge of about 129.94 million cubic meters per year, "This is much larger than life, pollution, should cause us great attention."
Cut farm support in the region before the end of September next year, all closed
End, Gaoming promulgated and published a regional livestock-related pollution in the implementation of comprehensive treatment program. Program proposed ban will be designated in the region to support areas, restricted areas and non-ban support raising the three major regions, and according to different regions to be the appropriate remediation requirements.
Area provides support for future zone and in the forbidden zone are not restricted to support all kinds of new and expansion of livestock and poultry farms. Among them, in Ban Yang District, all of the existing livestock and poultry farms to implement the customs, stop, turn, move, to be completed this year, 40% off livestock and poultry farms, stop, turn, move, and the remaining 60% by the end of September to next year before completion. The Dutch city streets within built-up areas and drinking water source protection areas located within the individual culture must be achieved before the end of this year, clearing fields, by the end of September next year, before the removal of breeding sheds; limited support in the area by the end of June next year before the ban in the region illegal construction of various types of farms (households), but not for their own consumption of farmers keeping; limited to raising regional economic governance can not farm in compliance shall be achieved by the end of September next year off, stop, turn, move. District with a defined, limited support area retains the existing conditions of large-scale livestock and poultry farms must be improved before the end of June next year, the relevant approval procedures, the scale must be controlled in the pig breeding perennial breeding stock for the 3000 below, other livestock and poultry are conversion of poultry by 60 1 pig, a cow converted into 10 pigs, a beef cattle translated into five pigs calculated.
To take charge of the area of the River Project Bureau of Agriculture official said, in July this year, before the preparations for the launch phase of the project, and the preparation of "smart district livestock development planning", "smart district livestock Aquaculture Industry Development Plan "and forbidden to support designated areas, restricted areas and to support to support non-forbidden area; and enter in September, will be implemented through comprehensive improvement of a year's time, due to the ban on raising the region's culture is not to remove field be mandatory clearance.
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