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Swine manure treatment
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A vision of the pig industry as an environmental saviour was presented to NPA days ago. Martin Barker, managing director of Midland Pigs, explained that even if every livestock farm in the country were closed, landfill and nitrates problems would not go away.
• Humans on our over-populated island would continue to convert food into nitrates, whether the food was produced locally or imported from Brazil.
• Arable farmers would import more nitrogen to make up for the loss of...
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Yuanhui Zhang has smelled the future of oil, and it stinks. The pungent, earthy scent emanates from swine pens that professor Zhang's graduate students visit regularly at the University of Illinois. Holding spades in gloved hands, they collect buckets of moist pig poop and carefully drive it to a lab on the edge of campus.
Inside a white metal building nestled among corn and soybean fields, the students pressure-cook the messy muck until it becomes thick, black, energy-dense crude oil...
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A University of Illinois in Urbana professor and her graduate students are investigating a unique solution to soaring oil prices -- pig manure.
Professor Yuanhui Zhang has spearheaded a project in which her students visit swine pens at nearby farms, collect pig excrement, and then drive it to a lab on the edge of the campus. There, the manure is pressure-cooked until it becomes a thick, black, energy-rich muck remarkably similar to crude oil, the Chicago Tribune reported.
As fuel prices...
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Since animal welfare and protecting the environment are now such major concerns to the general public, some means of addressing these issues may have to be incorporated in future selection programmes by pig breeding companies, even though they have no direct economic importance.
This is the view of Lucy Campbell, animal scientist with Yorkshire-based pig genetics company ACMC, who points out that supermarkets are already using welfare as an area where they can have a competitive edge over...
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Research at the Prairie Swine Centre has shown the use of sprayed water during the agitation of manure can dramatically reduce the peak concentrations of hydrogen sulfide gas.
As part a multi faceted effort to reduce the dangers posed by high concentrations of hydrogen sulfide during manure cleanout scientists at the Prairie Swine have completed a bench scale study comparing a variety of treatments using sprayed water.
Research Scientist in Engineering Dr. Bernardo Predicala says H2S...
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The Prairie Swine Centre suggests formulating diets according to available phosphorus and using the phytase enzyme to break down unavailable phosphorus can reduce diet costs while offering environmental benefits.
Phytase is a naturally occurring enzyme that can be derived from a number of sources including bacteria, fungi or yeast and, when added to the diet, it's able to break down much of the phosphorus in feed grain that would normally pass through the pig undigested.
Prairie Swine...
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Researchers at the Prairie Swine Centre in Saskatoon are hoping to apply the emerging science of nanotechnology to the reduction of odor and gaseous emissions from swine manure.
In an effort to improve the health and safety of both swine barn workers and animals the Prairie Swine Centre is exploring several options for reducing odor and gaseous emissions, primarily hydrogen sulfide and ammonia, from swine manure.
One of those options is the use of nanoparticles.
Research scientist...
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What are the compost problems related to producing it from the pig industry? What's the best way to avoid it? We use a MBR technology for pig waste/water treatment, and our intention is to use the sludge for compost. ...
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Research conducted at the Prairie Swine Centre has shown spraying clean water has great potential as a means of reducing hydrogen sulphide concentrations in swine barns.
Hydrogen sulphide is a potentially deadly gas which is produced as a by-product during the anaerobic breakdown of manure.
As part of a multi faceted ongoing effort to develop cost effective measures for ensuring H2S concentrations do not reach hazardous levels in swine barns, scientists at the Prairie Swine Centre have...
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The Prairie Agricultural Machinery Institute is targeting the spring of 2006 to field test the first prototype solid manure injection system.
The University of Saskatchewan has completed the development of a solid swine manure applicator and handed the next phase of the project, the development of an injector, to PAMI.
The project, entitled "Development of a Precision Applicator for Surface and Subsurface Land Application of Solid and Semisolid Manure" is headed by Dr. Hubert Landry....
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Research conducted by the University of Saskatchewan has shown repeated applications of swine manure fertilizer helps increase the activity of the enzymes responsible for improving soil fertility.
The University of Saskatchewan's Soil Science Department has completed a study which examined the effect of repeated swine manure application on soil biochemical properties.
The work was conducted at four long term research sites across Saskatchewan where manure has been applied over a five to...
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Scientists at the University of Saskatchewan hope to harness technology currently being used to reduce the emission of hydrogen sulfide gas in the Alberta's oil field to reduce hydrogen sulfide emissions in swine barns.
Hydrogen sulfide, a potentially deadly gas, is one of the byproducts of the decomposition of manure.
In an effort to reduce the level of H2S emissions from the manure pits in swine barns the University of Saskatchewan, in partnership with the Prairie Swine Centre, is...
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Research conducted at the Prairie Swine Centre has shown hog producers can dramatically reduce their risk of hydrogen sulfide gas exposure by using a scraper system to remove manure on a daily basis.
Hydrogen sulfide, or H2S, is a potentially deadly gas which is produced by the anaerobic degradation of liquid swine manure.
As part of a study initiated in 2003 and completed last month, a manure scraper system was installed into one of the Prairie Swine Centre's grower finisher rooms to...
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The CEO of Saskatoon based Clear-Green Environmental expects new federal tax credits being offered for the construction of anaerobic digesters to escalate the adoption of the new technology.
Last month the federal government announced the creation of a one billion dollar climate fund as part of its commitment to reduce greenhouse gas emissions under the Kyoto accord.
Clear-Green Environmental operates a facility near Cudworth which uses anaerobic digestion to convert swine manure into a...
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Pig Power will work on a fairly simple principle.
At present, pig effluent at the Corowa piggeries runs through a series of open lagoons and settling ponds to an extensive irrigation system.
Under Pig Power, five lagoons will be covered to trap methane gas, which is produced naturally.
It will then be piped from the covered lagoons into three gas-fired generators near existing production buildings.
The generators will also provide hot water to the abattoirs, reducing the...
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AgCert International, a worldwide leader in greenhouse gas emission reductions, has signed an agreement to sell Certified Emission Reductions (CERs) to BHP Billiton, the world’s largest diversified natural resources company. The credits will be delivered during the first and second phases of the European Union Emissions Trading Scheme (EU ETS).
“We are very excited to be working with a company of the global scale and reach of BHP Billiton in this greenhouse gas reduction effort,” said Al...
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Scientists at the University of Saskatchewan expect to be ready to begin field testing a new prototype solid manure application system this summer.
The University of Saskatchewan has developed a bench scale solid manure application system and is now working with the Prairie Agricultural Machinery Institute to apply the technology to the field.
College of Engineering Dean Dr. Claude Lague says the objective is to provide a manure application system for solid manure similar to systems...
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Water is an essential nutrient in pork production. Research reveals how we can manage this resource for best results and minimal cost.
1. Do a water audit. Wasted water costs money to pump and to dispose of in slurry. The average usage is 78L per sow (farrow to finish farm), however actual usage has been reported as low as 65L/sow and as high as 120L/sow, a variation of as much as 50% from the mean! See water usage table in Pork Production Reference Guide 2000, pg 30.
2. Water...
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Drinking water is one of the most critical areas to get right for successful pig production, but it doesn't always receive the attention it deserves.
Getting the basics right is becoming increasingly important as the ban of antibiotic growth promoters on 1 January 2006 draws closer. Water quality for weaned piglets in particular must be given the highest priority if gut and overall health problems are to be avoided with the change from sow's milk to drinking water.
The quality of water...
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Scientists at the Prairie Swine Centre are recommending a combination of strategies to reduce the risks associated with exposure to the various contaminants present in swine barns.
There are several sources of potential contamination in swine operations, including the building themselves, their ventilation systems, the pigs and even the outside environment.
Research Scientist in Engineering Dr. Bernardo Predicala says the main contaminants of concern include gases, particulates and...
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