Fermentation,
Год журнала:
2024,
Номер
10(6), С. 273 - 273
Опубликована: Май 23, 2024
This
study
aimed
to
evaluate
the
effects
of
dietary
supplementation
with
3-nitrooxypropanol
(3-NOP)
on
growth
performance,
ruminal
fermentation,
and
enteric
methane
emissions
beef
cattle
using
a
meta-analytic
approach.
The
final
meta-analysis
database
included
results
from
15
scientific
articles.
response
variables
were
analyzed
through
random
models,
where
reported
as
weighted
mean
differences
(WMD)
between
treatments
without
3-NOP
those
supplemented
3-NOP.
inclusion
decreased
(p
<
0.001)
dry
matter
intake
but
did
not
affect
>
0.05)
average
daily
gain
increased
feed
efficiency.
In
rumen,
0.01)
pH
concentration
propionate,
butyrate,
valerate,
isobutyrate,
isovalerate.
contrast,
rumen
ammonia
nitrogen,
total
volatile
fatty
acids,
acetate,
acetate/propionate
ratio.
Furthermore,
(CH4)
emission,
CH4
yield,
emission
percentage
gross
energy
ingested
in
supplementation.
conclusion,
can
be
used
nutritional
strategy
improve
efficiency
fermentation
and,
at
same
time,
reduce
emissions.
Animals,
Год журнала:
2023,
Номер
13(3), С. 439 - 439
Опубликована: Янв. 27, 2023
The
objective
of
this
study
was
to
evaluate
the
effects
bee
pollen
(BP)
and
propolis
(PRO)
supplementation
on
rabbits’
productive
performance
serum
metabolites
through
a
meta-analysis.
Sixteen
peer-reviewed
publications
were
included
in
data
set.
rabbit
strains
used
studies
set
New
Zealand
White,
V-line,
Rex,
V-line
crosses.
Weighted
mean
differences
(WMD)
between
treatments
supplemented
with
BP
or
PRO
control
assess
magnitude
effect.
decreased
(p
<
0.001)
daily
feed
intake
(DFI)
conversion
ratio
(FCR);
however,
increased
average
gain
(ADG)
hot
carcass
yield
(HCY).
reduced
DFI
=
0.041)
FCR
0.001),
ADG
HCY
0.005).
In
blood
serum,
total
antioxidant
capacity
(TAC;
p
0.002)
creatinine
concentration
0.049).
Likewise,
levels
aspartate
aminotransferase
(AST),
alanine
(ALT),
malondialdehyde
(MDA)
detected
response
0.05).
TAC
0.018);
concentrations
AST,
ALT,
MDA
observed
conclusion,
can
be
as
natural
growth
promoter
rabbits,
both
also
improve
rabbits'
status.
However,
does
not
affect
renal
hepatic
health
Environmental Science and Pollution Research,
Год журнала:
2024,
Номер
31(26), С. 37943 - 37962
Опубликована: Май 21, 2024
Abstract
Ruminal
fermentation
is
a
natural
process
involving
beneficial
microorganisms
that
contribute
to
the
production
of
valuable
products
and
efficient
nutrient
conversion.
However,
it
also
leads
emission
greenhouse
gases,
which
have
detrimental
effects
on
environment
animal
productivity.
Phytobiotic
additives
emerged
as
potential
solution
these
challenges,
offering
benefits
in
terms
rumen
modulation,
pollution
reduction,
improved
health
performance.
This
updated
review
aims
provide
comprehensive
understanding
specific
phytobiotic
ruminant
nutrition
by
summarizing
existing
studies.
additives,
rich
secondary
metabolites
such
tannins,
saponins,
alkaloids,
essential
oils,
demonstrated
biological
properties
positively
influence
enhance
These
environmental
protection
effectively
reducing
nitrogen
excretion
methane
emissions
from
ruminants.
Furthermore,
they
inhibit
microbial
respiration
nitrification
soil,
thereby
minimizing
nitrous
oxide
emissions.
In
addition
their
impact,
improve
manipulation,
leading
increased
productivity
quality
products.
Their
multifaceted
properties,
including
anthelmintic,
antioxidant,
antimicrobial,
immunomodulatory
effects,
further
well-being
both
animals
humans.
The
synergistic
combining
with
probiotics
are
explored,
highlighting
need
for
research
this
area.
conclusion,
show
great
promise
sustainable
effective
solutions
improving
addressing
challenges.
Journal of Animal Science,
Год журнала:
2024,
Номер
102
Опубликована: Янв. 1, 2024
Abstract
Research
into
the
potential
use
of
various
dietary
feed
supplements
to
reduce
methane
(CH4)
production
from
ruminants
has
proliferated
in
recent
years.
In
this
study,
two
8-wk
long
experiments
were
conducted
with
mature
ewes
and
incorporated
a
variety
natural
offered
either
independently
or
combination.
Both
followed
randomized
complete
block
design.
Ewes
basal
diet
form
ad
libitum
access
grass
silage
supplemented
0.5
kg
concentrates/ewe/d.
The
entire
daily
concentrate
allocation,
incorporating
respective
supplement,
was
each
morning,
by
allocation.
experiment
1,
experimental
diets
contained
1)
no
supplementation
(CON),
2)
Ascophyllum
nodosum
(SW),
3)
A.
extract
(EX1),
4)
blend
garlic
citrus
extracts
(GAR),
5)
essential
oils
(EO).
2,
(EX2),
soya
oil
(SO),
combination
EX2
SO
(EXSO).
Twenty
per
treatment
individually
housed
during
both
experiments.
Methane
measured
using
portable
accumulation
chambers.
Rumen
fluid
collected
at
end
for
subsequent
volatile
fatty
acid
(VFA)
ammonia
analyses.
Data
analyzed
mixed
models
ANOVA
(PROC
MIXED,
SAS
v9.4).
Statistically
significant
differences
between
means
considered
when
P
<
0.05.
Dry
matter
intake
not
affected
(P
>
0.05).
EO
tended
have
an
increased
feed:gain
ratio
relative
CON
0.10)
increase
average
gain
which
resulted
animals
having
higher
final
body
weight
0.05)
than
CON.
EX1
emitted
9%
less
CH4
g/d
only
effect
on
rumen
fermentation
variables
SW,
enhanced
total
VFA
conclusion,
had
inconsistent
results
emissions
whereby
reduced
while
mitigating
production,
likely
due
PT
content
reported
EX2.
supplement
assessed
current
study
that
animal
performance
whilst
production.
Dairy,
Год журнала:
2023,
Номер
4(3), С. 497 - 508
Опубликована: Сен. 13, 2023
Essential
oils
are
bioactive
compounds,
originating
from
the
secondary
metabolism
of
plants,
recognized
for
their
ability
to
modify
rumen
fermentation,
gut
health,
and
function
as
antioxidant
molecules
in
small
ruminants.
Indeed,
ruminant-derived
products,
such
milk,
dairy,
meat
can
benefit
utilization
essential
oils,
that
have
demonstrated
antimicrobial,
anti-inflammatory
affects,
animals’
diet.
This
review
reports
on
findings
demonstrates
possible
role
controlling
greenhouse
gas
emissions
ruminants
through
modulation
ruminal
microbial
populations,
sustaining
animal
health
welfare
by
affecting
microbiota,
ameliorating
products
enhancement
nutritional
composition
a
human
diet
perspective.
However,
current
highlighting
inconclusive
related
use
ruminant
nutrition,
supports
need
further
studies
better
understand
administration
how
explore
specific
actions
at
molecular
level.
Agriculture,
Год журнала:
2024,
Номер
14(7), С. 1119 - 1119
Опубликована: Июль 11, 2024
This
study
aimed
to
evaluate
the
effects
of
microalgae
(MIAs)
Schizochytrium
sp.
as
a
dietary
supplement
for
dairy
cows
with
respect
yield,
composition,
and
fatty
acid
profile
milk
using
meta-analytical
method.
The
data
used
in
statistical
analyses
were
obtained
from
11
peer-reviewed
scientific
publications.
effect
size
was
assessed
weighted
mean
differences
(WMDs)
between
MIA-supplemented
control
treatments.
Dry
matter
intake,
fat
content
decreased
(p
<
0.001)
response
inclusion
MIAs.
However,
MIAs
supplementation
increased
=
0.029)
yield.
0.05)
acids
(FAs)
butyric,
caproic,
caprylic,
capric,
undecanoic,
lauric,
pentadecanoic,
palmitic,
heptadecanoic,
stearic,
arachidic,
total
saturated
FAs,
it
resulted
ω-6/ω-3
ratio
milk.
In
contrast,
linoleic,
conjugated
eicosapentaenoic,
behenic,
docosahexaenoic,
monounsaturated
polyunsaturated
omega-3
FAs
results
showed
that
could
be
improve
yield
cows.
