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Swine manure treatment
Swine manure (SM) is a plentiful and readily available farm waste that is commonly managed using traditional disposal methods, including agricultural application, lagoon storage, anaerobic digestion or direct incineration.
If mishandled, however, swine manure can contaminate surface and ground waters. Proper storage, handling and application of manure from pork production operations can protect water resources and increase profits for animal and crop enterprises.
Pork producers select a manure handling system based on factors such as location, the size, type and use of their cropland, the number of animals, and the type of animal housing. Many options relate to the type of housing system - pasture, dry lot, and enclosed.
With all systems, divert rain and snowmelt runoff away from the manure handling system. Install gutters to direct roof runoff to a ditch or other diversion. Keep uncontaminated surface water away from lots, settling facilities, infiltration channels, outdoor storages, and animal traffic lanes. Channel contaminated lot runoff to adequate treatment, storage, and application systems.
Agrosuper, the world's eighth- largest pork producer, is using a global anti-pollution agreement to turn pig-manure fumes into cash.
The Rancagua, Chile-based company earns credits for collecting methane gas from the waste of its 110,000 pigs. Agrosuper last month agreed to sell credits worth as much as $2.2 million a year to Tokyo Electric Power Co., Japan's biggest utility, and TransAlta Corp., Canada's biggest publicly owned power generator, to help them meet their emissions quotas....
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There are people here who think their, um, manure doesn't stink.
They are the salesmen, talking up the "odor elimination" features of their manure-handling systems, at their booths in the hall at the 2004 Manure-Science Review.
But there is also a sociologist, here for the first time, telling farmers their manure is probably far more disturbing to their neighbors than they imagine.
"Farmers tend to be much more optimistic about what the neighbors are thinking than what the neighbors...
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Organizers to review and integrate guidelines from U.S. states and Canadian provinces, make recommendations to reduce liquid manure discharges.
As the Council of Great Lakes Governors make plans to protect the immense fresh-water supply from large-scale water diversions, scientists from the region are planning to protect the resource from other potential hazards.
The council, co-chaired by Ohio Gov. Bob Taft, has announced a draft agreement that would strengthen the way the Great Lakes...
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With 2,300 hog farmers raising millions of swine at a time, North Carolina is looking at ways to deal with abandoned hog lagoons.
On Thursday, NC State University hosts a field day event to talk about how to deal with hog waste.
They're testing a process that could cut down costs for transporting waste sludge....
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Big pig farms would for the first time be required to control offensive manure odors and be subject to tighter protections for streams and groundwater under a new factory farm policy proposed by the Rendell administration yesterday.
The Agriculture, Communities and Rural Environment initiative, or ACRE, is the administration's attempt to address air, land and water pollution problems created by the explosive growth of factory farms that now number more than 118 in 22 counties.
The...
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Research has demonstrated swine production’s impact on watersheds can be minimized with technology and careful waste management practices.
Among other things, the University of Arkansas Swine Waste Demonstration and Training Project shows how two of the most important waste management concerns associated with swine production — excess phosphorus and build up of manure solids in holding ponds — can be managed effectively.
Manure is typically flushed out of swine houses into holding ponds,...
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Cattle, pigs and chickens within the Chesapeake Bay watershed produce some 44 million tons of manure each year and far too much of it is seeping into the Bay, according to a new report by the Chesapeake Bay Foundation. The report says this pollution must be reined in if efforts to restore the health of the Bay are to succeed.
"The Chesapeake Bay is being choked by excess manure, and despite years of effort the Bay's water quality is not improving," said CBF President William Baker. "Action...
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Alternative uses must be found for manure produced by livestock in the Chesapeake Bay watershed and animal feeding practices should be changed to make their waste less polluting, the Chesapeake Bay Foundation recommends in a report to be released Wednesday.
Agriculture is the largest source of nitrogen and phosphorous in the bay and manure is the single largest contributor, the foundation said.
The report follows one last year that found two-thirds of sewage treatment plants in...
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Two new technologies for disposing of waste on North Carolina's 2,400 hog farms that were unveiled Monday would cost more than disposal methods now used, said a professor in charge of the research project.
Hog waste now is piped into a clay-lined pit where solids fall to the bottom and liquid at the top is sprayed onto grass fields. In the past decade, some lagoons walls have broken during hurricanes or torrential rains, causing waste to flow into rivers and streams.
Six more...
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Recently, farmers and fishermen in Candaba have complained against the alleged illegal dumping of waste in the Candaba River by a big piggery in San Miguel, Bulacan. The Environmental Management Bureau (EMB) of Region 3 has already acted on the complaint with no less than director Lormelyn Claudio personally visiting the piggery. In Sta Cruz, Porac, residents are launching a crusade dubbed "Krusada Kontra Amoy" to stop the stench emitted by piggery farms in their community.
The world is...
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Germany wants to increase its use of renewable energies for electricity production to 12.5 percent by 2010. A model project shows that biomass created from farm and factory waste can produce energy for 1,000 homes.
Sven Nevigmann, one of the workers at the Loick biomass plant in the village of Dorsten, is looking over the operation, which is filled with swine and other animals whose manure is combined with food and other organic substances to create biomass, which in turns makes biogas that...
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Research conducted by the University of Saskatchewan shows the use of swine manure fertilizer can actually help reduce the risk of soil crusting.
A graduate student study, conducted as part of the University of Saskatchewan's long term research into the use of swine manure, looked at the effect of repeated applications on surface soil crusting and its potential impact on crop germination and emergence.
The project compared barley, flax and canola fertilized with swine manure to crops...
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Crude oil and gasoline prices are near an all-time high. But don't despair. One scientist has found an alternative source of energy: pig manure.
Yuanhui Zhang, an agricultural engineering professor at the University of Illinois in Urbana-Champaign, has succeeded in turning small batches of hog waste into oil.
The process, called thermochemical conversion, uses heat and pressure to break down carbohydrate materials and turn waste into liquid. The project is still in its infancy.
For...
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Research being conducted in Manitoba and Saskatchewan, under the federal greenhouse gas initiative, will allow farmers to compare the results of spring verses fall application of swine manure.
In association with the Canadian Pork Council, Manitoba Pork Council and Sask Pork, the Prairie Agricultural Machinery has established a series of demonstration sites to examine the timing of manure application.
The work is part of a series of projects to show farmers beneficial management...
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Swine manure may look like a mess to some, but one Illinois researcher looks at the sludge and sees dollars. Hog manure might be the surprising key to reducing crude oil imports and creating a new industry in the United States, said Yuanhui Zhang, an Illinois agricultural engineer. Zhang is converting manure to crude oil in his University of Illinois lab using a thermochemical conversion process.
Economics. The economic impact of the technology could be dramatic. "If 50 percent of...
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A bacteria-laden foam could destroy the foul-smelling pongs from animal waste on intensive farms. The waste from intensive pig and chicken farms produces smells that can destroy the quality of life for nearby communities.
People who are only familiar with ordinary farmyard smells find it hard to believe how bad it is, says Amy Chapin, who studies the health effects of intensive farming at the Johns Hopkins Bloomberg School of Public Health in Baltimore, Maryland. "It's an incredibly strong...
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