The Science of The Total Environment,
Год журнала:
2024,
Номер
946, С. 173734 - 173734
Опубликована: Июнь 9, 2024
Seasonal
and
daily
variations
of
gaseous
emissions
from
naturally
ventilated
dairy
cattle
barns
are
important
figures
for
the
establishment
effective
specific
mitigation
plans.
The
present
study
aimed
to
measure
methane
(CH4)
ammonia
(NH3)
in
three
covering
four
seasons
two
consecutive
years.
In
each
barn,
air
samples
five
indoor
locations
were
drawn
by
a
multipoint
sampler
photoacoustic
infrared
multigas
monitor,
along
with
temperature
relative
humidity.
Milk
production
data
also
recorded.
Results
showed
seasonal
differences
CH4
NH3
no
clear
trends
within
Globally,
diel
increased
daytime
high
intra-hour
variability.
average
hourly
(g
h−1livestock
unit−1
(LU))
varied
8.1
11.2
6.2
20.3
barn
1,
10.1
31.4
10.9
22.8
2,
1.5
8.2
13.1
22.1
3,
respectively,
years
1
2.
Diel
highly
hours
daytime.
h−1
LU−1)
0.78
1.56
0.50
1.38
1.04
3.40
0.93
1.98
0.66
1.32
1.67
1.73
Moreover,
emission
factors
309.5
30.6
day−1
LU−1),
barns.
Overall,
this
provided
detailed
characterization
highlighting
need
future
longitudinal
studies
identifying
an
opportunity
better
adequate
existing
strategies
according
season
Nature Reviews Earth & Environment,
Год журнала:
2024,
Номер
5(4), С. 295 - 311
Опубликована: Фев. 20, 2024
Food
production
data
—
such
as
crop,
livestock,
aquaculture
and
fisheries
statistics
are
critical
to
achieving
multiple
sustainable
development
goals.
However,
the
lack
of
reliable,
regularly
collected,
accessible,
usable
spatially
disaggregated
limits
an
accurate
picture
state
food
in
many
countries
prevents
implementation
effective
system
interventions.
In
this
Review,
we
take
stock
national
international
understand
its
availability
limitations.
Across
databases,
there
is
substantial
global
variation
timeliness,
granularity
(both
by
category)
transparency.
Data
scarcity
challenges
most
pronounced
for
livestock
aquatic
production.
These
largely
concentrated
Central
America,
Middle
East
Africa
owing
a
combination
inconsistent
census
reliance
on
self-reporting.
Because
result
technical,
institutional
political
obstacles,
solutions
must
include
technological
policy
innovations.
Fusing
traditional
emerging
data-gathering
techniques
with
coordinated
governance
dedicated
long-term
financing
will
be
key
overcoming
current
obstacles
sustained,
up-to-date
collection,
foundational
promoting
monitoring
progress
towards
healthier
more
systems
worldwide.
Accurate
timely
needed
promote
security
sustainability,
but
exists
across
levels.
This
Review
examines
reliability
crops,
recommends
address
scarcity.
Animals,
Год журнала:
2024,
Номер
14(3), С. 435 - 435
Опубликована: Янв. 29, 2024
This
review
examines
the
significant
role
of
methane
emissions
in
livestock
industry,
with
a
focus
on
cattle
and
their
substantial
impact
climate
change.
It
highlights
importance
accurate
measurement
management
techniques
for
methane,
potent
greenhouse
gas
accounting
14–16%
global
emissions.
The
study
evaluates
both
conventional
AI-driven
methods
detecting
from
livestock,
particularly
emphasizing
contributions,
need
region-specific
formulas.
Sections
cover
emissions,
potential
AI
technology,
data
collection
issues,
methane’s
significance
carbon
credit
schemes,
current
research
innovation.
emphasizes
critical
estimation
effective
change
mitigation
reducing
operations.
Overall,
it
provides
comprehensive
overview
industry
by
synthesizing
existing
literature,
aiming
to
improve
knowledge
mitigating
Livestock-generated
especially
cattle,
is
highlighted
as
crucial
factor
change,
underscores
integrating
precise
mitigation.
Sustainability,
Год журнала:
2025,
Номер
17(5), С. 2105 - 2105
Опубликована: Фев. 28, 2025
The
rising
environmental
temperatures
and
growing
global
demand
for
animal
protein
pose
major
challenges
to
sustainable
livestock
production,
highlighting
the
urgent
need
climate
change
mitigation
strategies.
system
in
different
parts
of
world,
especially
developing
underdeveloped
nations,
holds
a
significant
role
supporting
livelihoods
nutritional
security
millions,
yet
is
jeopardizing
its
efficiency
exacerbating
carbon
footprint.
This
increase
footprint
an
alarming
challenge
sustainability,
which
needs
be
addressed
meticulously
with
fruitful
outcomes.
As
world’s
largest
hub,
Indian
can
adopted
as
model
understanding
opportunities
within
develop
approaches.
In
2022,
India
accounted
approximately
7%
greenhouse
gas
emissions
(GHGEs),
total
3.9
billion
metric
tons
CO2e.
review
provides
updated
insights
on
livestock-related
footprint,
sustainability-enhancing
technologies,
GHG
estimation
models,
strategies
climate-neutral
production.
Emission
models
are
categorized
into
source-based
whole-farm
comprehensive
assessment
emissions.
Mitigation
cattle
include
rumen
modification,
approaches,
efficient
manure
management,
precision
farming.
India’s
commitment
achieving
net-zero
by
2070
reflected
various
initiatives
aimed
at
promoting
systems.
Future
perspectives
emphasize
decision
modeling
climate-resilient
technologies
address
alignment
UN’s
development
goals.
Translational Animal Science,
Год журнала:
2025,
Номер
9
Опубликована: Янв. 1, 2025
Abstract
The
livestock
sector
plays
a
crucial
role
in
mitigating
global
climate
change
by
reducing
greenhouse
gas
emissions,
with
enteric
fermentation
as
the
largest
source.
Although
various
approaches
have
been
proposed
to
decrease
methane
(CH4)
feed
additives
containing
bromoform
(CHBr3)
shown
promise
minimal
impact
on
animal
production
parameters.
This
study
aimed
evaluate
effects
of
two
Rumin8
Investigational
Veterinary
Products
(IVP)
synthetic
CHBr3
parameters,
and
rumen
environment.
Twenty-four
Angus
beef
steers
were
randomly
assigned
one
three
treatment
groups:
Control,
Oil
(8
mL
oil
IVP/kg
DMI),
Powder
(1.2
g
powder
DMI).
IVP
resulted
intake
32.2
mg/kg
DMI,
while
provided
2.0
DMI
during
weeks
1–8.
In
week
9,
new
batch
increased
17.9
DMI.
group
exhibited
95.0%,
96.1%
reductions
CH4
(g/day),
yield
(g/kg
intensity
average
daily
gain),
respectively,
accompanied
925%,
934%,
858%
increases
H2
production,
yield,
intensity,
respectively.
Neither
significantly
affected
parameters
or
environment
variables.
These
findings
suggest
that
has
potential
reduce
emissions.
warrants
further
investigation,
this
is
first
published
vivo
assess
compound
efficacy.
