Chilean journal of agricultural & animal science,
Год журнала:
2023,
Номер
39(2), С. 198 - 209
Опубликована: Янв. 1, 2023
Lipoic
acid
(LA)
reduces
oxidative
stress
and
stimulates
the
immune
system.
However,
data
on
its
use
in
ruminants
is
limited.
The
objective
of
this
study
was
to
determine
effects
LA
supplementation
free
radical
production,
rumen
variables,
feed
digestibility
sheep
fed
high-grain
diets.
Nine
rumen-cannulated
Suffolk
were
randomly
assigned
three
treatments:
control
(LA0
),
no
inclusion;
10
(LA10)
mg
kg-1
body
weight
(BW);
20
(LA20)
BW.
In
situ
(ISDMD)
vitro
(IVDMD)
degradation
dry
matter
ruminal
variables
evaluated.
Total
bacteria
(TB),
cellulolytic
(CB),
protozoa
(P)
also
determined.
Thiobarbituric
reactive
substances
(TBARS)
evaluated
blood
samples
at
beginning
end
each
experimental
period.
IVADDM
analyzed
using
a
PROC
GLM
model
with
repeated
3
×
latin
square
design,
while
means
compared
pairwise
Tukey
tests.
did
not
affect
(p
0.05)
under
study.
modified
ISDMD
4
h
LA10,
differences
found
terms
IVDMD
among
treatments.
dose
BW
increased
CB
decreased
TB
0.05).
TBARS
differed
0.01)
treatments
evaluation
periods
higher
15
d
after
administration.
conclusion,
had
an
antioxidant
effect,
reducing
administration,
slight
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 Physiology and Animal Nutrition,
Год журнала:
2024,
Номер
108(5), С. 1231 - 1242
Опубликована: Апрель 20, 2024
Global
warming
threatens
livestock
production,
especially
in
hot
climates.
This
study
evaluated
the
dose-dependent
impacts
of
dietary
curcumin
nano-micelles
(CNM)
on
rumen
fermentation,
nitrogen
metabolism,
and
nutrient
digestibility
heat-stressed
fattening
lambs.
Thirty-two
crossbred
male
lambs
[ˆIle-de-France
×
(Dalagh
Romanov)]
were
utilized
within
current
study.
The
initial
weight
was
documented
as
averaged
by
31.2
±
1.55
kg,
while
they
their
4th
to
5th
months
age.
Animals
fed
increasing
doses
CNM
(0,
20,
40,
80
mg/day)
over
97
days,
under
severe
heat
stress
conditions
with
average
temperature-humidity
index
(THI)
24.5.
Quadratic
improvements
(p
<
0.01)
occurred
gain,
daily
gain
(ADG),
feed
conversion
ratio
(FCR)
28.7%,
27.4%,
23.9%,
respectively,
T40
group
compared
control.
Additionally,
increased
fiber
digestion
2.8%
0.05).
Furthermore,
quadratically
improved
parameters
including
concentrations
NH3-N
0.05),
total
volatile
fatty
acids
(TVFA;
p
0.01),
acetate
iso-valerate
13.9%,
12.5%,
15.0%,
43.5%,
increases
also
observed
balance
0.05)
microbial
protein
synthesis
19.8%
37.6%,
group.
models
estimated
optimal
levels
between
41.5
48.6
mg/day
for
multiple
parameters.
These
findings
indicate
at
dose
level
40
could
benefit
through
enhanced
function
microbiota.
Further
research
should
refine
ideal
dosing
various
species
production
phases
higher
adversely
impacted
digestibility.
Overall,
shows
promise
a
sustainable
nutritional
intervention
facing
global
warming.
Animals,
Год журнала:
2025,
Номер
15(4), С. 598 - 598
Опубликована: Фев. 19, 2025
This
study
investigated
the
effects
of
a
phytochemical-Lactobacilli
blend
(PEL)
on
performance
and
health
late-pregnant
does.
Thirty
Zaraibi
does
(30.9
±
0.37
kg
body
weight,
3-3.5
years
old,
90
days
pregnant)
were
randomly
assigned
to
three
experimental
groups,
ensuring
equal
distribution
based
parity,
litter
size,
previous
lactation
milk
production.
The
fed
either
control
diet
(no
supplementation)
or
PEL-supplemented
(control
plus
2
g
4
PEL
per
day)
for
60
days.
supplementation
linearly
improved
(p
<
0.05)
feed
intake,
nutrient
digestibility,
ruminal
concentrations
acetic
propionic
acids,
while
significantly
reducing
ammonia-N
concentrations.
reduced
feeding
rumination
times
increasing
idling
time.
Blood
hematological
parameters
with
supplementation.
Serum
protein,
liver
kidney
function
indicators,
lipid
metabolism,
cortisol,
thyroid
hormone
levels
0.01)
in
linear
manner
Antioxidant
status,
pro-inflammatory
cytokines,
immune
response
enhanced
both
quadratically
treatment.
Gene
expression
analysis
revealed
upregulation
growth,
immune,
antioxidant-related
genes
These
findings
suggest
that
supplementing
pregnant
day
can
effectively
enhance
their
performance,
health,
metabolic
status.
Frontiers in Microbiomes,
Год журнала:
2025,
Номер
4
Опубликована: Апрель 9, 2025
Alfalfa
forms
and
rumen
degradable
starch
(RDS)
levels
in
diets
can
profoundly
affect
growth
performance
fermentation
patterns,
this
influence
may
result
variations
microbiota.
However,
the
effects
of
RDS
on
methanogenic
fungal
communities
alfalfa
hay
(AH)
or
silage
(AS)
diets,
interaction
between
methanogens
fungi
with
remain
unknown.
In
study,
a
2
×
factorial
design
resulted
four
diets:
two
(AH
AS)
(LR:
14.85%
DM
RDS;
HR:
20.21%
RDS).
We
used
32
female
Suffolk
sheep
for
experiment.
On
day
75
(including
15-day
transition
period
60-day
trial
period),
content
was
collected
after
slaughter
to
examine
ruminal
fungi.
The
AHHR
diet
reduced
methanogen
Chao
1
index
compared
AS
(
P
<
0.05),
Shannon
lower
than
ASLR
0.05).
higher
AH
ASHR
LR
HR
relative
abundance
Aspergillus
AHLR
significantly
0.01),
Occultifur
Meyerozyma
were
decreased
LEfSe
analysis
showed
that
Methanobrevibacter_sp_YE315
Methanobrevibacter_sp_AbM4
enriched
diet,
while
Methanobrevibacter_millerae
diet.
For
biomarkers,
included
,
Metschnikowia
unclassified_f:Stachybotryaceae
;
stachybotrys
Stemphylium
Cystobasidium
unclassified_k:Fungi
Trichothecium
Psathyrella
Alfaria
.
correlation
results
Methanobrevibacter
Methanoculleus
Penicillium
Cladosporium
Exophiala
concentrations
isobutyrate
isovalerate,
which
provide
deeper
insights
into
previously
observed
differences.
