Poultry Science,
Journal Year:
2024,
Volume and Issue:
103(9), P. 104003 - 104003
Published: June 25, 2024
Oxidative
stress
(OS)
is
a
major
concern
that
impacts
the
overall
health
of
chickens
in
modern
production
systems.
It
characterized
by
an
imbalance
between
antioxidant
defence
mechanisms
and
reactive
oxygen
species
(ROS).
This
literature
review
aims
to
provide
comprehensive
overview
oxidative
poultry
production,
with
emphasis
on
its
effects
growth
performance,
immune
responses,
reproductive
outcomes.
highlights
intricate
underlying
OS
discusses
how
various
factors,
including
dietary
components,
genetic
predispositions,
environmental
stressors
can
exacerbate
ROS.
Additionally,
impact
performance
physiological
systems
examined.
The
study
also
emphasizes
relationship
diseases,
highlighting
impaired
defenses
increase
bird's
susceptibility
infections.
assesses
existing
approaches
reducing
response
these
challenges.
includes
managing
techniques
lower
environment,
supplements,
nutritional
interventions.
effectiveness
naturally
occurring
antioxidants,
plant
extracts,
minerals,
vitamins
improve
resistance
damage
To
under
conditions,
activation
cellular
homeostatic
networks
termed
vitagenes,
such
as
Nuclear
Factor
Erythroid
2-Related
2
(Nrf2)
necessary
for
synthesis
protective
factors
counteract
increased
ROS
RNS.
Future
studies
into
novel
strategies
chicken
would
build
research
advances
knowledge
gaps
identified
this
review.
Journal of Experimental Zoology Part A Ecological and Integrative Physiology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
ABSTRACT
In
the
wild,
stressors
occur
with
varying
likelihood
throughout
day,
leading
animals
to
evolve
plastic
stress
responses
that
exhibit
circadian
rhythmicity.
mammals,
studies
have
revealed
plasticity
of
response
may
differ
age.
However,
such
developmental
effects
been
largely
overlooked
in
other
vertebrate
groups.
our
research,
we
explored
presence
variation
daily
pattern
behavioral
a
teleost
fish
model:
zebrafish
(
Danio
rerio
).
We
compared
juvenile
and
adult
individuals
two
paradigms
commonly
used
analyze
response,
as
open‐field
test
diving
test.
Our
comparisons
were
conducted
every
4
h
during
24‐h
cycle
variations.
Significant
rhythms
detected
for
almost
all
analyzed
behaviors
both
tests.
general,
analyses
suggested
greater
adults
daytime
juveniles
night‐time,
although
not
indicators
aligned
this
direction.
Moreover,
found
average
differences
behavior,
suggesting
more
sensitive
stress.
Overall,
these
findings
highlight
importance
considering
non‐mammalian
species
like
zebrafish.
Animal Science Journal,
Journal Year:
2024,
Volume and Issue:
95(1)
Published: Jan. 1, 2024
Abstract
The
aim
of
this
study
is
to
determine
the
effect
abrupt
and
gradual
light/dark
switching
on
growth
performance,
behavior,
villus
development,
meat
characteristics,
immunity
broilers.
A
total
270
daily
male
broiler
chicks
were
used
in
experiment.
comprised
three
groups
based
whether
transitions
between
light
dark
periods
or
gradual.
No
significant
differences
observed
among
examined
terms
body
weight,
weight
gain,
mortality
rate,
feeding,
pecking,
relaxing,
feather
preening
behaviors,
carcass,
breast
quality
characteristics.
Total
feed
consumption,
utilization
ratio,
rates
broilers
during
6‐week
fattening
period
did
not
differ
compared
transition.
Broilers
group
with
transition
exhibited
less
movement,
more
sitting,
sleeping
behaviors.
It
was
determined
that
IgG
higher
group.
influenced
characteristics
thigh
meat.
Villus
height
crypt
depth
where
a
1‐h
applied.
As
conclusion,
appropriate
rearing.
Journal of Animal Physiology and Animal Nutrition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 12, 2024
Abstract
In
modern
animal
husbandry,
stress
can
be
viewed
as
an
automatic
response
triggered
by
exposure
to
adverse
environmental
conditions.
This
range
from
mild
discomfort
severe
consequences,
including
mortality.
The
poultry
industry,
which
significantly
contributes
human
nutrition,
is
not
exempt
this
issue.
Although
genetic
selection
has
been
employed
for
several
decades
enhance
production
output,
it
also
resulted
in
poor
resilience.
Stress
manifested
through
a
series
of
physiological
reactions,
such
the
identification
stressful
stimulus,
activation
sympathetic
nervous
system
and
adrenal
medulla,
subsequent
hormonal
cascades.
While
brief
periods
tolerated,
prolonged
have
more
consequences.
For
instance,
extreme
fluctuations
temperature
lead
accumulation
reactive
oxygen
species,
impairment
reproductive
performance,
reduced
immunity.
addition,
excessive
noise
slaughterhouses
linked
altered
bird
behaviour
decreased
efficiency.
Mechanical
vibrations
shown
negatively
impact
meat
quality
broilers
during
transport
well
egg
hatchability
hatcheries.
Lastly,
heavily
influenced
light
intensity
regimens,
inadequate
management
result
deficiencies,
visual
anomalies,
skeletal
deformities,
circulatory
problems.
there
growing
body
evidence
demonstrating
stressors
on
physiology,
disproportionate
representation
research.
Recent
studies
focused
chronic
heat
stress,
reflecting
current
interest
scientific
community
climate
change.
Therefore,
review
aims
highlight
major
abiotic
elucidate
their
underlying
mechanisms,
addressing
need
comprehensive
understanding
diverse
contexts.
Metabolites,
Journal Year:
2024,
Volume and Issue:
14(10), P. 567 - 567
Published: Oct. 21, 2024
:
There
is
a
close
relationship
between
breast
muscle
glucose
metabolism,
peripheral
5-hydroxytryptamine
(5-HT),
and
myopathies
in
animals.
Here,
this
study
aimed
to
investigate
the
effects
of
different
photoperiods
on
5-HT
white
striping
(WS),
wooden
(WB)
broilers.
Animals,
Journal Year:
2024,
Volume and Issue:
14(20), P. 3003 - 3003
Published: Oct. 17, 2024
Photoperiods
are
crucial
environmental
factors
in
the
growth
and
health
of
modern
intensive
broiler
chicken
production.
To
date,
effects
different
photoperiods
on
glucose
metabolism,
acetylcholine
(ACh),
its
relative
receptor
modulation
broilers
remain
elusive.
Herein,
we
aimed
to
identify
regulating
ACh,
nicotinic
alpha
4
(α4
nAChR)
mRNA,
M3
muscarinic
(M3
mAChR)
broilers.
A
total
216
healthy
5-day-old
Arbor
Acres
(AA)
male
was
randomly
assigned
12L:12D,
18L:6D,
24L:0D
for
weeks.
The
results
show
that,
compared
with
12L:12D
photoperiod,
18L:6D
significantly
increase
average
daily
gain
(ADG)
feed
intake
(ADFI)
(
