Poultry Science,
Год журнала:
2025,
Номер
unknown, С. 105270 - 105270
Опубликована: Май 1, 2025
In
laying
hens,
maintaining
optimal
bone
health
and
development
from
the
early
stages
is
crucial,
as
it
directly
affects
their
egg-laying
efficiency,
overall
welfare
productivity.
Studies
have
shown
that
grape
polyphenols
Vitis
vinifera
enhance
in
both
humans
animals.
Still,
mechanisms
behind
this
effect
remain
unclear,
given
diversity
of
varying
action.
The
objective
study
was
to
investigate
a
standardized
dry
extract
(SDGE)
on
quality
metabolome
future
hens
reared
commercial
conditions.
Therefore,
36300
day-old
pullets
were
randomly
divided
into
two
barns
same
farm
site.
Both
received
diet,
with
addition
30
mg/kg
SDGE
(Nor-Grape®,
Nor-Feed,
France)
day
1
until
week
17
supplemented
group
(SDGE).
At
end
supplementation
period,
several
parameters
analyzed
50
individuals
per
group.
Additionally,
non-targeted
metabolomics
plasma
bones
performed
uncover
impact
pullet's
metabolome.
Results
demonstrated
keel
deformity
tended
improve
following
(P
=
0.10).
Moreover,
intake
significantly
increased
mineral
content,
compared
control
<
0.05)
increase
calcium
(Ca)
0.074)
phosphorus
(P)
content
0.055).
On
other
hand,
samples
revealed
an
fatty
acids
glycerophospholipid
metabolisms
while
analysis
uncovered
pathways
related
sphingolipid
estrogen
mediated
signaling
pathways.
Overall,
suggests
novel
through
lipid
metabolism
highlights
nutritional
intervention
developmental
stage
improves
prior
entry
phase,
thus
proving
useful
tool
management.
Journal of Hunan University Natural Sciences,
Год журнала:
2025,
Номер
Volume 52, Issue 1
Опубликована: Фев. 25, 2025
This
study
aimed
to
examine
the
effects
of
supplementation
with
microalgae
Arthrospira
(Spirulina)
platensis
and
Haematococcus
pluvialis
on
production
quality
eggs
from
Hy-Line
Brown
laying
hens
under
heat
stress
conditions.
The
research
was
conducted
at
Canchones
campus
Arturo
Prat
University,
located
in
Atacama
Desert,
Chile.
A
total
125
aged
22
36
weeks
were
used
an
experimental
design
five
treatments:
a)
a
control
group
without
microalgae,
b)
groups
1%
spirulina
20,
40,
or
60
ppm
natural
astaxanthin
pluvialis,
c)
spirulina.
results
showed
that
significantly
improved
egg
live
weight
gain
hens,
particularly
Higher
levels
dietary
antioxidants
correlated
better
performance,
surpassing
industry
benchmarks.
Yolk
color,
which
strongly
carotenoid
content,
increased
higher
supplementation.
highest
concentrations
produced
most
intense
yolk
color
content.
highlights
potential
improve
cage-free
especially
environments
stress.
IntechOpen eBooks,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 14, 2025
Ischemic
stroke
is
one
of
the
major
causes
disability
and
mortality
in
aged
people.
A
better
understanding
pathology,
mechanism,
diagnosis
treatment
might
have
important
practical
implications
for
patient
clinical
management,
especially
patients.
Affected
by
cerebral
ischemia,
neurons
are
not
capable
maintaining
cellular
respiration
metabolism,
leading
to
excitotoxicity
calcium
overload,
which
further
induce
oxidative
stress.
During
stress
process,
reactive
oxygen
species
massively
produced,
involved
regulation
diverse
biological
processes
including
lipid,
DNA,
protein
signaling
pathways.
This
review
aimed
provide
a
comprehensive
overview
ischemic
stroke,
particularly
occurred
elderly.
Our
topics
included
pathogenesis
role
plays
occurrence
development.
Additionally,
stress-related
diagnostic
methods
antioxidant
therapies
use
discussed.
With
focus
perspective
on
patients,
we
expect
our
can
contribute
guide
acknowledgment
suggesting
preventive
toward
antioxidant-based
therapy
as
novel
therapeutic
alternative
Veterinary World,
Год журнала:
2025,
Номер
unknown, С. 646 - 657
Опубликована: Март 1, 2025
Heat
stress
(HS)
negatively
impacts
poultry
production
by
reducing
growth
performance
and
compromising
physiological
health.
Nutritional
strategies,
particularly
amino
acid
supplementation,
are
explored
to
mitigate
these
adverse
effects.
This
study
evaluates
the
impact
of
high
dietary
threonine
supplementation
on
performance,
health
biomarkers,
oxidative
status,
meat
quality,
intestinal
histology
in
cyclic
HS
broilers.
A
total
288
1-day-old
Hubbard
broilers
were
randomly
allocated
six
treatment
groups:
Thermoneutral,
control,
supplemented
with
125%
(HS-125),
150%
(HS-150),
175%
(HS-175),
200%
(HS-200)
NRC-recommended
threonine.
Birds
groups
exposed
(35°C,
75%
relative
humidity)
from
day
22
42.
Growth
was
recorded
weekly,
while
parameters,
markers,
jejunal
analyzed
post-exsanguination.
significantly
reduced
body
weight
gain
feed
intake,
did
not
improve
parameters.
However,
liver
weight,
serum
albumin,
cholesterol
levels
improved
at
higher
doses
(175%-200%).
Threonine
also
corticosterone
malondialdehyde
levels,
suggesting
enhanced
resilience.
Superoxide
dismutase
activity,
an
indicator
defense,
threonine-supplemented
groups.
In
histology,
acidic
goblet
cells
increased,
intraepithelial
lymphocyte
infiltration
decreased
birds
175%-200%
threonine,
indicating
gut
integrity.
Meat
quality
attributes,
including
crude
protein
stability,
showed
minor
but
inconsistent
variations
across
treatments.
Although
(175%-200%)
resilience
enhancing
health,
selected
biomarkers
broilers,
however,
it
failed
enhance
performance.
These
findings
suggest
that
supports
adaptations
under
HS,
its
use
as
a
promoter
conditions
may
be
economically
viable.
Further
studies
warranted
optimize
balance
for
productivity.
RSC Advances,
Год журнала:
2025,
Номер
15(11), С. 8354 - 8366
Опубликована: Янв. 1, 2025
Carbon
dots
(CDs)
are
neoteric
forms
of
carbon
nanostructures,
and
play
a
fundamental
role
in
early
diagnosis
controlling
neurological
disorders
(NDs).
Poultry Science,
Год журнала:
2025,
Номер
104(5), С. 105071 - 105071
Опубликована: Март 20, 2025
Heat
stress
is
a
critical
challenge
in
the
poultry
industry.
It
arises
when
birds
are
exposed
to
elevated
ambient
temperatures
beyond
their
thermoneutral
zone,
often
exacerbated
by
high
humidity
and
inadequate
ventilation.
This
condition
disrupts
birds'
ability
maintain
thermal
homeostasis,
leading
physiological
behavioral
changes
such
as
increased
panting,
reduced
feed
intake,
water
consumption.
These
responses
aim
dissipate
heat
but
result
energy
imbalances,
oxidative
stress,
impaired
immune
function.
Green
tea
polyphenols
(GTPs)
mitigate
modulating
pathways,
primarily
scavenging
reactive
oxygen
species
(ROS)
enhancing
antioxidant
defense
mechanisms.
pathways
play
pivotal
role
neutralizing
ROS
generated
during
inflammation,
exposure
electrophilic
compounds.
action
helps
restore
cellular
balance
enhances
overall
mechanisms
converting
harmful
free
radicals
into
less
molecules,
oxygen.
Nuclear
factor
(erythroid-derived
2)-like
2
(Nrf2)
plays
significant
character
activation
of
enzymatic
antioxidants
network.
translocates
nucleus
upon
activation,
binds
response
elements
(AREs)
promoter
regions
target
genes,
upregulates
expression
key
enzymes.
Therefore,
regulation
Nrf2
considered
molecular
marker
mitigating
effects
its
detoxification
enzymes,
protecting
against
damage
inflammation
induced
temperatures.
exploratory
review
summarizes
anti-oxidative
GTPs
poultry.
highlights
cytoprotective
basis
epigallocatechin-3-gallate
(EGCG),
particularly
Nrf2-mediated
which
enhance
systems
protect
damage.
Frontiers in Animal Science,
Год журнала:
2025,
Номер
6
Опубликована: Март 26, 2025
Introduction
Heat
stress
impairs
broiler
performance
and
exacerbates
oxidative
stress.
Hemp
(
Cannabis
sativa
L.
)
contains
cannabidiol
(CBD)
other
bioactive
compounds
with
antioxidant,
anti-inflammatory,
immunomodulatory
properties,
which
may
enhance
health
status
overall
in
broilers.
This
study
aimed
to
investigate
the
effects
of
dietary
micronized
hemp
fiber
(MHF)
supplementation
on
vitro
nutrient
digestibility,
cecal
fermentation,
antioxidant
enzyme
activity,
lysosomal
function,
productivity
finisher
broilers
reared
under
a
thermal
environment.
Methods
At
21
days
age,
210
uniform
body
weight
were
randomly
allocated
three
treatments:
basal
diet
(CON),
diets
supplemented
MHF
at
0.75%
(L-MHF)
or
1.50%
(H-MHF).
Birds
had
ad
libitum
access
until
42
age.
Results
Compared
CON,
there
was
no
effect
(p
>
0.05)
true
digestibility
dry
matter,
organic
crude
protein,
ether
extract,
gross
energy.
Similarly,
gas
production
various
incubation
times
rate
extent
from
fermentation
did
not
differ
0.05).
However,
analysis
revealed
that
total
volatile
fatty
acid
(VFA)
concentrations,
including
acetic,
propionic,
butyric
acids,
significantly
higher
<
0.01)
L-MHF
H-MHF
groups.
Microbiological
increased
bacterial
counts,
lactic
bacteria,
Enterococcus
sp.
populations,
coupled
reduced
E.
coli
counts
There
significant
0.001)
improvement
final
average
daily
gain
group
compared
CON
Feed
conversion
ratio
lowest
across
all
measured
periods,
while
feed
intake
remained
unaffected
Except
for
wing
group,
dressing
percentage
major
cuts
Antioxidant
activity
enhanced
MHF-groups,
catalase,
superoxide
dismutase,
glutathione
peroxidase
activities
observed
lysozyme
group.
Conclusion
Dietary
improved
profiles,
capacity,
metrics
These
findings
underscore
potential
as
functional
additive
production.
Poultry Science,
Год журнала:
2025,
Номер
unknown, С. 105105 - 105105
Опубликована: Март 1, 2025
The
use
of
growth
promoters
in
broiler
feed
is
a
common
practice
to
enhance
efficiency
and
accelerate
rates.
Ciprofloxacin,
widely
used
antibiotic
poultry
farming,
promotes
disease
prevention
but
raises
concerns
about
residues
meat
the
development
resistance.
This
study
examines
dietary
effects
WH
ciprofloxacin
on
rate,
conversion
ratio
(FCR),
quality,
muscle
histology.
Ninety
broilers
were
randomly
assigned
one
three
groups:
control
group,
WH-supplemented
group
(2.5%
daily
feed),
(Cipro)
(8
mg/kg
body
weight).
Feed
consumption
weight
monitored
daily,
after
sacrifice,
breast
muscles
collected
for
quality
assessment
histopathological
analysis.
supplementation
significantly
improved
(P
<
0.05)
gain,
broilers.
Compared
groups,
WH-treated
exhibited
lower
cooking
drip
loss
0.05),
higher
water-holding
capacity
0.01),
reduced
shear
force
value
indicating
texture.
Ciprofloxacin
treatment
resulted
redness
0.001)
increased
yellowness
while
lightness
remained
unchanged
across
groups.
Histological
analysis
revealed
greater
perimysium
thickness
intermuscular
adipose
infiltration
broilers,
suggesting
enhanced
structure.
presents
safer,
sustainable
alternative
antibiotics
production.
Veterinary Medicine and Science,
Год журнала:
2025,
Номер
11(3)
Опубликована: Апрель 7, 2025
ABSTRACT
Background
Scientific
information
on
the
diets
of
various
nutritional
planes
supplemented
with
organic
acids
is
scarce
in
tropical
environments.
Objectives
This
study
was
conducted
to
evaluate
response
broilers
different
or
without
acids.
A
total
240
one‐day‐old
unsexed
broiler
chicks
Cobb
500
strain
were
randomly
assigned
6
treatments,
each
4
replicates
having
10
chicks.
Methods
The
treatments
chickens
fed
an
optimal
diet
(optimal
energy
and
protein)
(Diet
1),
a
medium
(medium
2)
low
(low
3),
while
4,
5
1,
2
3
8
g/kg
acid
(
Fysal‐MP
),
respectively.
laid
out
completely
randomized
design.
Results
birds
supplementation
recorded
similar
p
>
0.05)
final
weights
compared
those
(T1);
however,
higher
<
(T3).
feed
conversion
ratio
better
containing
acid,
irrespective
plane.
Birds
aspartate
aminotransferase
during
starter
phase.
lower
basal
width
other
diets.
microbial
counts
reduced
acids,
lowest
reduction
group
Conclusions
It
concluded
that
enhanced
blood
parameters,
carcass
traits,
growth
performance
chickens.
Antioxidants,
Год журнала:
2025,
Номер
14(4), С. 460 - 460
Опубликована: Апрель 12, 2025
This
study
aimed
to
evaluate
the
effects
of
dietary
curcumin
supplementation
on
growth
performance,
serum
antioxidant
status,
intestinal
morphology,
and
meat
quality
broiler
chickens.
The
database
was
constructed
with
28
peer-reviewed
scientific
papers
published
between
January
2013
2025,
identified
selected
from
Scopus,
Web
Science,
ScienceDirect,
PubMed
databases
following
PRISMA
methodology.
All
response
variables
in
were
analyzed
random
models
using
R
statistical
software,
results
reported
as
weighted
mean
differences
(WMD).
Dietary
did
not
affect
(p
>
0.05)
average
daily
feed
intake.
However,
increased
<
0.001)
weight
gain
decreased
conversion
ratio.
0.01)
superoxide
dismutase,
catalase,
glutathione
peroxidase,
total
capacity
but
malondialdehyde
(MDA)
concentration.
crypt
depth
(CD)
villus
height
(VH)
VH/CD
ratio
duodenum.
carcass
yield
color
(L*,
a*,
b*)
and,
at
same
time,
cooking
loss
fat
MDA
content
meat.
Curcumin
can
be
used
a
additive
improve
productive
status
blood
serum,