Environment

 Industry Partners


Prairie Swine Centre is an affiliate of the University of Saskatchewan


Prairie Swine Centre is grateful for the assistance of the George Morris Centre in developing the economics portion of Pork Insight.

Financial support for the Enterprise Model Project and Pork Insight has been provided by:



Author(s): Stefan Michalski
Publication Date: January 1, 2003
Reference: Banff Pork Seminar 2003
Country: Canada

Summary:

With the rise of industrial-scale hog operations come problems of foul smelling odour, ground and surface water pollution, and uncontrolled methane emissions. The creation of biogas plants has helped to address these problems. The biogas plant in Germany is capable of treating about 100,000 tons of organic waste each year and transferring it into heat and electricity. The basis behind this development is the theory behind the Renewable Energy Sources Act of the German Federal Government, which is “…to facilitate a sustainable development of energy supply in the interest of managing global warming and protecting the environment and to achieve a substantial increase in the percentage contribution made by renewable energy sources to power supply.” As far as Canada goes, we need to be concerned about surface and groundwater contamination, odour created from storage and spreading of manure, and emissions of methane and nitrous oxide as greenhouse gases. The need to find efficient and cost-effective manure management solutions are a priority. Incorporating an IWMS (Integrated Waste Management System) into a livestock operation will allow excess organic waste to be turned into resources that produce renewable energy, organic fertilizer, and reusable water. This IWMS involves wastewater treatment as well as aerobic and anaerobic digester systems. The anaerobic system holds decomposed manure under oxygen-free conditions that promote naturally growing bacteria that digest manure. Methane produced from this can be captured as an energy source. Treatment could also involve aerobic digestion that will digest manure solids into compost fertilizer to market to farmers or gardeners. Livestock producers who set up this system can receive economic benefits from organic nutrients, offset greenhouse gas emissions, and eliminate adverse environmental impact, and create a sustainable business model for future farm generations. The analysis of a plant in Lethbridge shows that an IWMS is an economically viable solution for the Canadian agriculture community.

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