The Gascard NG is an ideal IR sensor for use in a farm environment as it is robust, accurate and reliable.
References
1. Gerber, P.J., Steinfeld, H., Henderson, B., Mottet, A., Opio, C., Dijkman, J., Falcucci, A. & Tempio, G., 2013. Tackling climate change through livestock – A global assessment of emissions and mitigation opportunities. Food and Agriculture Organization of the United Nations (FAO), Rome.
2. EPA (2010). Methane and Nitrous Oxide Emissions from Natural Sources. U.S. Environmental Protection Agency, Washington, DC, USA.
3. Methane: The other important greenhouse gas, https://www.
edf.org/methane-other-important-greenhouse-gas Accessed 13/12/2016
4. Zhou, Yiqin (2011). Comparison of Fresh or Ensiled Fodders (e.g., Grass, Legume, Corn) on the Production of Greenhouse Gases Following Enteric Fermentation in Beef Cattle. Rouyn-Noranda, Qué.: Université du Québec en Abitibi- Témiscamingue. N.B.: Research report.
5. FAO (2006). Livestock’s Long Shadow–Environmental Issues and Options. Rome, Italy: Food and Agriculture Organization of the United Nations (FAO). Retrieved October 27, 2009.
6. IPCC AR5 WG1 (2013). “Climate Change 2013: The Physical Science Basis – Anthropogenic and Natural Radiative Forcing Supplementary Material” (PDF). Cambridge University Press
7. Bell MJ, Potterton SL, Craigon J, Saunders N, Wilcox RH, Hunter M, Goodman JR and Garnsworthy PC, 2014. Variation in enteric methane emissions among cows on commercial dairy farms. Animal: An international journal of animal bioscience. 8(9), 1540-6
8. Rachel Nowak (25 September 2004). “Burp vaccine cuts greenhouse gas emissions”. New Scientist. Retrieved 4 November 2011.
9. A.D.G. Wright, et al., Reducing Methane Emission in Sheep by Immunization against rumen methanogens, Vaccine (vol 22, p 3976-3985
10. Bell MJ, Saunders N, Wilcox RH, Homer EM, Goodman JR, Craigon J and Garnsworthy PC, 2014. Methane emissions among individual dairy cows during milking quantified by eructation peaks or ratio with carbon dioxide. Journal of dairy science. 97(10), 6536-46
11. AO. 2010. Greenhouse Gas Emissions from the Dairy Sector: A Life Cycle Assessment. Food and Agriculture Organization of the Unit-ed Nations, Rome, Italy.
12. P. C. Garnsworthy , J. Craigon , J. H. Hernandez-Medrano, and N. Saunder, On-farm methane measurements during milking correlate with total methane production by individual dairy cows, J. Dairy Sci. 95 :3166–3180
Author Contact Details Edinburgh Sensors • 4 Bain Square, Kirkton Campus, Livingston, EH54 7DQ, UK • Tel +44 (0) 1506 425 300 • Email:
sales@edinst.com • Web:
www.edinburghsensors.com
13. Gardiner, TD, Coleman, MD, Innocenti, F, Tompkins, J, Connor, A, Garnsworthy, PC, Moorby, JM, Reynolds, CK, Waterhouse, A and Wills, D, 2015. Determination of the absolute accuracy of UK chamber facilities used in measuring methane emissions from livestock Measurement. 66, 272-279
14. P. C. Garnsworthy , J. Craigon , J. H. Hernandez-Medrano , and N. Saunders, Variation among individual dairy cows in methane measurements made on farm during milking, J. Dairy Sci. 95 :3181–3189
15. Methane and Climate Change, edited by Pete Smith, David Reay, Andre Van Amstel, 2010, Earthscan
www.envirotech-online.com IET March / April 2017
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