Impact of Drinking Water Sulphate Levels on Gas Emissions and Manure Nutrients
A major environmental concern for the swine industry are odour and gaseous emissions. Sulphur containing compounds are some of the most odourous components of swine. Drinking water quality on air emissions and swine manure nutrients were assessed. Up to 1,800 ppm of sulphate in drinking...
Greenhouse Gas Emissions from Covered or Uncovered Earthen Manure Storage
Average season and annual emissions were calculated for different earthen manure storage technology. Nitrous oxide and surface emissions were negligible. As ambient temperature increased, so did emissions as promotion of more biological activity occured. Straw-covered systems reduced carbon dioxide and methane by 57 and 85%...
Reducing H2S Exposure Through a Water Spray Method and Monitoring
Hydrogen sulphide is a dangerous gas that is commonly found in swine operations. Reducing the amount of this gas is of great interest in order to keep the workers and animals safe. Hydrogen sulphide is water soluble so theoretically, spraying water during agitation may allow...
Manure Scraper System Reduces Hydrogen Sulphide Levels in Swine Barns
Manure management tasks such as pulling pit-drain plugs put workers at risk of hydrogen sulphide exposure. In order to reduce the production of hydrogen sulphide, an in-barn manure handling system that provides more frequent and complete removal of manure from production rooms was investigated. Gas...
Measuring Ammonia Emissions from Urine Puddles
Ammonia is a common gas found in pig barns that has a strong odour and can irritate the workers exposed and have environmental consequences. The main sources of ammonia in pig housing units are the urine puddles and slurry pit. Barn floors have plenty of...
Greenhouse Gas Emission from NAP-Covered Earthen Manure Storage Basin
The agriculture sector contributes to Canada's greenhouse gas emissions, with livestock operations and manure storage having a large part. A negative air pressure (NAP) cover may help reduce greenhouse gas emissions from earthen storage basins. The NAP-cover had a minor improvement on greenhouse gas emissions...
Manure Handling Systems Reduce Air Contaminants in Swine Barns
Various factors were studied to understand the sources of air contamination in intensive swine operations. Once the factors effect is decreased, the overall effect on air quality should be illustrated. Two manure-handling systems were tested to see which eliminates all manure contamination best; one was...
Systems Engineering for Handling and Land Application of Solid and Semi-Solid Livestock Manure
To increase environmental sustainability and social acceptance of intensive livestock production, a top priority is research on manure handling and land application. Solid and semi-solid manure have had less research and development compared to liquid manure and slurry. Control of application rate of the product...
Simulating Ammonia Emissions from Slurry Pits
The main sources of ammonia in a pig-housing unit are the slurry pit and urine puddles. Less nitrogen is excreted when protein in the diet is decreased, while increasing fermented carbohydrates like sugar-beet pulp increases nitrogen excretion in the feces and less in the urine....
Greenhouse Gas Odour Emissions from Pig Production Buildings, Manure Storage and Manure Treatment Facilities
Livestock operations and manure management contribute largely to the agricultural sectors greenhouse gas emissions. Nitrous oxide, carbon dioxide, methane and odour emissions were studied in Quebec and Saskatchewan swine operations. Carbon dioxide was the most prevalent of the greenhouse gases measured with the largest amount...