This
report
is
based
on
the
deliberations
of
experts
who
participated
in
a
colloquium
31
May
and
1
June
2023,
organized
by
American
Academy
Microbiology,
honorific
leadership
group
think
tank
within
Society
for
Microbiology
(ASM),
Geophysical
Union
(AGU).
These
came
from
diverse
disciplines
sectors
to
articulate
opportunities
use
microbes
mitigate
CH<sub>4</sub>
emissions
four
main
sources:
enteric
fermentation
ruminants,
animal
wastes,
rice
paddies,
landfills.
The
participants
highlighted
knowledge
gaps
potential
strategies
that
harness
microbial
processes
mediate
global
warming
address
climate
change.
states
recommendations
scientific
community
as
next
step
further
our
understanding
these
topics.
Journal of Dairy Science,
Год журнала:
2024,
Номер
107(7), С. 4129 - 4146
Опубликована: Июнь 26, 2024
Methane,
both
enteric
and
from
manure
management,
is
the
most
important
greenhouse
gas
ruminant
livestock,
its
mitigation
can
deliver
substantial
decreases
in
carbon
footprint
of
animal
products
potentially
contribute
to
climate
change
mitigation.
Although
choices
may
be
limited,
certain
feeding-related
practices
substantially
decrease
livestock
CH4
emission.
These
generally
classified
into
2
categories:
diet
manipulation
feed
additives.
Within
first
category,
selection
forages
increasing
forage
digestibility
are
likely
emission,
but
size
effect,
relative
current
United
States
dairy
industry,
minimal
moderate.
An
opportunity
also
exists
emissions
by
dietary
starch
concentration,
interventions
have
weighed
against
potential
milk
fat
yield
farm
profitability.
A
similar
conclusion
made
about
lipids
oilseeds,
which
proven
emission
a
negative
effect
on
rumen
fermentation,
intake,
production
composition.
Sufficient
robust
scientific
evidence
indicates
that
some
additives,
specifically
inhibitor
3-nitrooxypropanol,
reduce
beef
cattle.
However,
long-term
effects
external
factors
affecting
efficacy
need
further
studied.
The
practicality
mass-application
other
with
short-term
(i.e.,
macroalgae)
currently
unknown.
One
area
needs
more
research
how
nutritional
(both
additives)
interact
each
whether
there
synergism
among
additives
different
mode
action.
Further,
composition
during
storage
(e.g.,
trade-offs)
not
been
adequately
Overall,
if
available
prove
consistent
results
novel,
potent,
safe
strategies
discovered
practical,
nutrition
alone
up
60%
reduction
farms
States.
Revista Brasileira de Saúde e Produção Animal,
Год журнала:
2025,
Номер
26
Опубликована: Янв. 1, 2025
ABSTRACT
The
aim
of
this
study
was
to
evaluate
the
effects
different
levels
black
sucupira
oil
(Bowdichia
virgilioides
Kunth)
on
nutrient
intake,
digestibility,
rumen
variables,
and
serum
biochemistry.
Four
cannulated
crossbred
steers
[body
weight
(BW)
450
±
20
kg]
were
assigned
a
4
×
Latin
square
design
with
treatments:
(1)
control
(CON),
without
oil;
(2)
inclusion
1.25
g
seed
(OS)
kg-1
dry
matter
(DM);
(3)
2.5
OS
DM;
(4)
3.75
DM.
Results
showed
no
significant
effect
(P
>
0.05)
pH
N-NH3
levels.
However,
in
diets
significantly
decreased
≤
crude
protein
(CP)
DM
digestibility.
Differences
noted
concentrations
isobutyric
acid
(0.67,
0.81,
0.71,
0.80
mmol
L-1)
isovaleric
(0.91,
1.14,
1.21,
1.11
L-1),
as
well
total
volatile
fatty
acids
released
inclusion.
Sampling
time
affected
N-NH3.
Thus,
it
can
be
concluded
that
decreases
CP
intake
acting
temporary
nutritional
modulator
beef
cattle
diets.
Animals,
Год журнала:
2024,
Номер
14(7), С. 1075 - 1075
Опубликована: Апрель 2, 2024
This
study
aimed
to
evaluate
the
effects
of
dietary
supplementation
with
capsaicin
(CAP)
on
productive
performance,
milk
composition,
nutrient
digestibility,
ruminal
fermentation,
and
serum
metabolites
dairy
cows
using
a
meta-analytical
approach.
The
database
included
13
studies,
from
which
response
variables
interest
were
obtained.
Data
analyzed
random
model,
results
expressed
as
weighted
mean
differences
between
treatments
supplemented
without
CAP.
Dietary
CAP
increased
(p
<
0.05)
dry
matter
intake,
yield,
feed
efficiency,
fat
content.
However,
did
not
affect
>
protein
lactose
urea
nitrogen,
or
somatic
cell
count.
Greater
apparent
digestibility
crude
was
observed
in
inclusion
Likewise,
rumen
concentration
total
volatile
fatty
acids.
In
contrast,
pH
ammonia
acetate,
propionate,
butyrate.
blood
serum,
glucose
decreased
non-esterified
beta-hydroxybutyrate.
conclusion,
can
be
used
additive
improve
and,
at
same
time,
acids
levels
