Methane is the second largest anthropogenic GHG, which contributes
14.3% of total anthropogenic GHG emissions (
IPCC, 2007
).
Indian livestock accounts for about 13.9% of the global enteric
methane emission (global enteric methane emission of
85.63 Tg/year) and the enteric methane emission has been
projected to be 12,848 Gg in 2012, and this could be increased
to 14,553 Gg in 2020 without proper mitigation measures
(
Patra, 2012
). Most of the CH
4
from ruminant livestock
originates from microbial fermentation of carbohydrates in
the rumen, which also accounts for a substantial gross energy
loss of feeds depending upon the types of diets. Therefore,
inhibition of CH
4
production in the rumen had been
attempted to increase the utilization of feed energy for
production purpose and mitigate GHG emissions. A number
of methane mitigation strategies have been evaluated in
ruminants
Methane is the second largest anthropogenic GHG, which contributes14.3% of total anthropogenic GHG emissions (IPCC, 2007).Indian livestock accounts for about 13.9% of the global entericmethane emission (global enteric methane emission of85.63 Tg/year) and the enteric methane emission has beenprojected to be 12,848 Gg in 2012, and this could be increasedto 14,553 Gg in 2020 without proper mitigation measures(Patra, 2012). Most of the CH4from ruminant livestockoriginates from microbial fermentation of carbohydrates inthe rumen, which also accounts for a substantial gross energyloss of feeds depending upon the types of diets. Therefore,inhibition of CH4production in the rumen had beenattempted to increase the utilization of feed energy forproduction purpose and mitigate GHG emissions. A numberof methane mitigation strategies have been evaluated inruminants
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