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Ashish Kumar Das
Chayan Kumar Saha
Md Monjurul Alam
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Chayan Kumar Saha
Md Monjurul Alam
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World Research Journal of Agricultural Sciences

Greenhouse gas emissions from dairy farming in Bangladesh

Ashish Kumar Das, Chayan Kumer Saha*, Md Monjurul Alam

Department of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

Accepted 18 May, 2016.

Citation: Das AK, Saha CK, Alam MM (2017). Greenhouse gas emissions from dairy farming in Bangladesh. World Research Journal of Agricultural Sciences, 3(1): 092-101.

Copyright: © 2017 Das et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.


Livestock is a vital source of methane and nitrous oxide gas which are considered as hazardous greenhouse gas (GHG) causing global warming. This study was conducted to assess GHG emissions from different livestock categories of different (small, medium, large) dairy farming in Bangladesh by using IPCC guideline 2006 and CIGR 2002. The emission rate of CH4, N2O (mainly emits from manure) is increasing day by day in dairy farming due to poor manure management systems. The study was estimated maximum 20% CH4 was emitted from dairy cow and minimum 8% CH4 was emitted from calf. Least N2O emission found from a farm 0.015 Kg head-1yr-1 where manure was properly utilized by anaerobic digestion. On the other hand most N2O emission found 0.25 Kg head-1yr-1 from a farm where manure was not properly managed. In this research, it had been observed increasing milk production decreasing CO2 emission and vice-versa.  The CO2-equivalent for dairy cattle, heifer, calf, bull, buffalo male, buffalo female, and buffalo calf found 1720.4, 788.1, 649.4, 1161.1, 1588.2, 1624.2, and 725 kg head-1yr-1 respectively. The emission rate can be minimized by handling proper dietary, which can reduce excretion of GHG during ruminant digestion and manure management practices.

Keywords: Livestock, methane, emission, manure, dairy, enteric fermentation.