Quantifying Greenhouse Gas Emissions of Water Buffalo by Age Category in Central Aurora, Philippines
DOI:
https://doi.org/10.11594/ijmaber.06.06.08Keywords:
Carbon dioxide emission, Greenhouse Gases, GHG inventory, Manure management, Methane emission, Nitrous oxide emission, Tier 1 IPCC method, Water buffaloAbstract
The rise in global greenhouse gases, particularly methane from agricultural water buffalo, poses a significant climate threat. This study aimed to quantify methane and nitrous oxide emissions from these buffalo in Central Aurora, Philippines, where such data is currently unquantified. The objective was to provide local and national policymakers with specific emission data to develop targeted mitigation policies, reducing the environmental impact of buffalo farming while sustaining its benefits. The data were collected from farms and government offices, supplemented by expert discussions. IPCC Tier 1 emission factors with uncertainty value of 60%, specific to Southeast Asia and buffalo age categories, were used with population data to calculate annual methane and nitrous oxide emissions, expressed as CO₂ equivalents also referring to all different warming gases in the atmosphere.
Yearling buffalo were the highest individual methane emitters, emphasizing the need for targeted management during this stage to reduce overall emissions. Adult buffaloes contributed most to nitrous oxide emissions, highlighting the importance of age-specific emission factors for accurate inventories. Overall, water buffalo farming significantly contributed to greenhouse gases, necessitating age-aware and manure management strategies for mitigation.
The highest CO₂ emissions was mainly due to methane released during their growth. Adult buffalo, though individually less polluting, contributed substantially to overall emissions because of their numbers. For precise evaluations, it was crucial to consider age-specific emission factors. This highlighted the importance of targeting yearlings with mitigation strategies (like changes in diet) and implementing wider management practices for adult herds, especially in agricultural planning for areas like Aurora, Central Luzon. While future studies may employ Tier 2 methods or examine genetic and dietary modifications to further refine emission estimates.
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References
Albano, L., Ciriello, N., Auriemma, G., Palomba, R., Grazioli, G., & Sarubbi, F. (2020). Ni-trous Oxide Emissions of the Italian Medi-terranean Buffalo Breeding: Influence of Management. Asian Journal of Research in Biosciences, 2(2), 68–76. https://journalbioscience.com/index.php/AJORIB/issue/archive
Ali, M., Khan, S., Rahman, A., & Begum, F. (2020). Age-related methane emissions in water buffalo: Implications for mitiga-tion. Journal of Agricultural Science, 12(3), 45–58.
Assessment of Methane and Nitrous Oxide Emissions from Livestock in India. (2020). ResearchGate. https://www.researchgate.net/publication/227795507_Assessment_of_Methane_and_Nitrous_Oxide_Emissions_from_Livestock_inIndia
Borghese, G., & Van den Bossche, P. (Eds.). (2018). The water buffalo: Production and health. CABI. https://doi.org/10.1079/9781786395112.0000
Chadwick, D., Sapek, A., Sapek, B., & Cardenas, L. M. (2020). Methane and nitrous oxide emissions from UK livestock manures: A review of the state of the art. Journal of Agricultural Science, 158(1), 1–17. https://doi.org/10.1017/S002185961900085X
Davies, H.F., Murphy, B.P., Duvert, C., & Neave, G. (2023). Controlling feral ruminants to reduce greenhouse gas emissions: a case study of buffalo in northern Australia Journal of Wildlife Research, 50(11) 908-909. https://doi.org/10.1071/WR22134
Dietary, environmental and microbiological aspects of methane production in rumi-nants. (2021). Canadian Journal of Ani-mal Science, 96(3), 309–329. https://doi.org/10.22059/domesticsj.2023.364802.1133.
FAO. (2022). The state of food and agriculture 2022: Innovation in food and agriculture. Food and Agriculture Organization of the United Nations. https://www.fao.org/documents/card/en/c/cb9479en
Goopy, J. P., Gardiner, C. P., & Hegarty, R. S. (2019). Methane emissions from water buffalo: A review. Animal Production Sci-ence, 59(1), 1–11. https://doi.org/10.1071/AN18160
Hristov, A. N., Oh, J., Lee, C., Meinen, R., Mon-tes, F., Ott, T., Tricarico, J. M., Kebreab, J., Waghorn, G., Wu, Z., Dell, C., Firmansyah, A., & Suyadi, S. (2013). Mitigation of me-thane and nitrous oxide emissions from animal operations: I. Enteric fermenta-tion. Journal of Animal Science, 91(11), 5044–5061. https://doi.org/10.2527/jas.2013-6490
IPCC. (2006). 2006 IPCC Guidelines for Nation-al Greenhouse Gas Inventories. Prepared by the National Greenhouse Gas Invento-ries Programme for the Intergovernmen-tal Panel on Climate Change. IGES, Japan. https://www.ipcc-nggip.iges.or.jp/public/2006gl/index.html
IPCC. (2013). Climate Change 2013: The Physi-cal Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change [Stocker, T.F., D. Qin, G.-K. Platt-ner, M. Tignor, S.K. Allen, J. Boschung, A. Nauels, Y. Xia, V. Bex and P.M. Midgley (eds.)]. Cambridge University Press. https://doi.org/10.1017/CBO9781107415324.004
IPCC. (2021). Climate Change 2021: The Physi-cal Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change. DOI: 10.1017/9781009157896
JMB. (2022). Strategies to Mitigate Enteric Me-thane Emissions from Ruminant Animals. Journal of Microbiology and Biotechnolo-gy. https://doi.org/10.4014/jmb.2202.02019
Lohakare, J. (2023). (PDF) Controlling feral ruminants to reduce greenhouse gas emis-sions. ResearchGate. https://www.researchgate.net/publication/366872906_Controlling_feral_ruminants_to_reduce_greenhouse_gas_emissions_a_case_study_of_buffalo_in_northern_Australia.
Macleod, M. J., Hasan, M. R., Robb, D. H. F., & Mamun-Ur-Rashid, M. (2017). Environ-mental impact of dairy buffalo heifers kept on pasture or in confinement. Live-stock Science. https://doi.org/10.1016/j.livsci.2016.12.001
Myhre, G., Shindell, D., Brasseur, G., Ehhalt, D., Prather, M., Fagerli, H., ... & Forster, P. (2013). Anthropogenic and natural radia-tive forcing. In Climate change 2013: The physical science basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (pp. 659-740). Cam-bridge University Press. DOI: 10.1017/CBO9781107415324.018
Shibata, M., & Terada, F. (2010). Factors af-fecting methane production and mitiga-tion in ruminants. Animal Science Journal, 81(1), 2–13. https://doi.org/10.1111/j.1740-0929.2009.00687.x
U.S. EPA. (2021). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2019. https://www.epa.gov/ghgemissions/inventory-us-greenhouse-gas-emissions-and-sinks-1990-2019
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