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2) Wittenberg, K., and Boadi, D.2001. Reducing greenhouse gas emissions from livestock agriculture in Manitoba. Manitoba Climate Change Task Force, University of Manitoba, Winnipeg, MB. Online: http://www.iisd.org/taskforce/pdf/dept_animal_sci.pdf
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4) Wittenberg, K., and Boadi, D.2001. Reducing greenhouse gas emissions from livestock agriculture in Manitoba. Manitoba Climate Change Task Force, University of Manitoba, Winnipeg, MB. Online: http://www.iisd.org/taskforce/pdf/dept_animal_sci.pdf
5) Jorgensen, H., Theil, P.K. and Knudsen, K.E.B. 2011. Enteric Methane Emission from Pigs. In: Planet Earth 2011 – Global Warming Challenges and Opportunities for Policy and Practice. Edited by: Carayannis, E.. InTech. 646p. Online: http://cdn.intechopen.com/pdfs/21135/InTech-Enteric_methane_emission_from_pigs.pdf
6) Archibeque, S., Haugen-Kozyra, K., Johnson, K., Kebreab, E., and Powers-Schilling, W. 2012. Near-Term Options for Reducing Greenhouse Gas Emissions from Livestock Systems in the United States. Nicholas Institute for Environmental Policy Solutions, Duke University. Online: https://docs.google.com/viewer?a=v&q=cache:qPXwDJOmUgEJ:nicholasinstitute.duke.edu/ecosystem/land/near-term-options-for-reducing-greenhouse-gas-emissions-from-livestock-systems-in-the-united-states/at_download/paper+Mathison,+G.W.,+McAllister,+T.A.+Cheng,+K.-
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9) Wittenberg, K., and Boadi, D.2001. Reducing greenhouse gas emissions from livestock agriculture in Manitoba. Manitoba Climate Change Task Force, University of Manitoba, Winnipeg, MB. Online: http://www.iisd.org/taskforce/pdf/dept_animal_sci.pdf
10) Mathison, G.W. 1997. Effect of canola oil on methane production in steers. Can. J. Anim. Sci. 77: 545-546 (abstract) Online: http://pubs.aic.ca/doi/pdf/10.4141/A96-143
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12) Popp, J. 2013. Straw as an Alternative Roughage Source for Wintering Beef Cows. Online: http://www.gov.mb.ca/agriculture/livestock/beef/baa05s06.html
13) Jorgensen, H., Theil, P.K. and Knudsen, K.E.B. 2011. Enteric Methane Emission from Pigs. In: Planet Earth 2011 – Global Warming Challenges and Opportunities for Policy and Practice. Edited by: Carayannis, E.. InTech. 646p. Online: http://cdn.intechopen.com/pdfs/21135/InTech-Enteric_methane_emission_from_pigs.pdf
14) SCCC (Soil Conservation Council of Canada). 2003. Global Warming and Agriculture: Cow/Calf Best Management Practices. Online: http://www.soilcc.ca/resources.htm
15) Popp, J. 2007. Livestock Specialist, Manitoba Agriculture, Food and Rural Initiatives. Personal communication.
16) Akinremi, O.O., Nyachoti, C.M., Abioye, O.S., Emiola, I.A., and Flaten, D.N. 2007. Forms and Reactivity of Manure Phosphorus from Phytase Fed Swine in Manitoba Soils: A Final Report Submitted to the Manitoba Livestock Manure Management Initiative. Online: http://www.manure.mb.ca/projects/pdfs/03-01-20%20Final%20report.pdf
17) Archibeque, S., Haugen-Kozyra, K., Johnson, K., Kebreab, E., and Powers-Schilling, W. 2012. Near-Term Options for Reducing Greenhouse Gas Emissions from Livestock Systems in the United States. Nicholas Institute for Environmental Policy Solutions, Duke University. Online: https://docs.google.com/viewer?a=v&q=cache:qPXwDJOmUgEJ:nicholasinstitute.duke.edu/ecosystem/land/near-term-options-for-reducing-greenhouse-gas-emissions-from-livestock-systems-in-the-united-states/at_download/paper+Mathison,+G.W.,+McAllister,+T.A.+Cheng,+K.-
