Feed additives and enrichment materials to reduce chicken stress, maximize productivity, and improve welfare
Veterinary World,
Journal Year:
2024,
Volume and Issue:
unknown, P. 2044 - 2052
Published: Sept. 1, 2024
Environmental
stress
poses
serious
threats
to
animal
welfare
and
production,
particularly
in
poultry,
which
are
susceptible
such
stress.
It
can
increase
susceptibility
diseases
infections,
reduce
growth
rates
reproductive
performance,
behavioral
issues.
caused
by
conventional
housing
conditions
negatively
affect
well-being
productivity.
High
temperature,
overcrowding,
poor
ventilation,
insufficient
lighting,
wire
cages
some
of
the
most
prominent
stressors
systems.
To
address
environmental
chicken
farms,
strategies
tools,
as
using
anti-stress
feed
additives
enriching
cages,
help
improve
bird
activities
welfare.
Breeders
overall
performance
implementing
these
creating
a
more
enriched
comfortable
environment.
Thus,
this
review
discusses
importance
different
enrichment
materials
farms
(broiler
layer)
productivity
well-being.
Keywords:
antioxidants,
behavior,
enrichment,
gut
health,
product
quality,
stress,
Language: Английский
Physalis Calyx seu Fructus relieves chicken intestinal damage to heat via improving the antioxidant ability
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 14, 2025
Heat-stress-induced
oxidative
and
inflammatory
responses
were
important
factors
contributing
to
chicken
intestinal
damage.
The
purpose
of
this
study
was
based
on
the
antioxidant
anti-inflammatory
activities
Physalis
Calyx
seu
Fructus
(Jin
Deng
Long,
JDL)
investigate
its
efficacy
mechanism
in
relieving
heat
stress
Primary
embryo
duodenum
cells
90
30-day-old
specific-pathogen-free
randomly
divided
into
control
JDL
groups
establish
models
vitro
vivo.
mitigating
effect
assessed
through
oxidation-related
enzymes
key
genes,
histopathology,
factors.
results
demonstrated
that
100
µg/mL
extract
could
effectively
alleviate
damage
at
42°C.
A
strong
capacity
shown
downregulation
LDH
(at
5
h,
P
<
0.01)
MDA
0.05),
upregulation
SOD
10
0.01),
CAT
GSH-PX
T-AOC
0
as
well
high
transcription
level
NQO1
0.05)
HO-1
0.01).
Supplements
with
1
3
g/kg
b.wt,
respectively,
drinking
water
both
suppressed
rise
body
temperature
had
light
pathological
lesions
duodenal
tissues
caused
by
40
±
1°C.
Accordingly,
showed
a
lower
response
manifested
IL-10
higher
levels
IL-6
TNF-α
characterized
serum
also
Nrf2,
NQO1,
tissues.
In
conclusion,
relieved
via
improving
ability
reducing
response.
Language: Английский
Dietary supplementation with L-citrulline improves amino acid composition and broiler performance, and modulates gut microbiota
Yan Ma,
No information about this author
Tingting Liu,
No information about this author
Shuaihu Chen
No information about this author
et al.
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 13, 2025
Poultry
lacks
carbamoyl
phosphate
synthetase,
which
is
a
key
enzyme
in
the
endogenous
synthesis
of
arginine,
thus
poultry
must
obtain
arginine
from
their
diet.
Citrulline
(
L
-Cit),
as
precursor
produces
same
biological
effects
and
may
even
be
more
effective.
In
these
experiments,
we
discovered
that
addition
-Cit
significantly
increased
production
performance,
antioxidant
immune
properties,
modulated
intestinal
microbiota.
The
study
involved
240
1-day-old
male
yellow-feathered
broilers
randomly
assigned
to
one
four
treatment
groups:
control
(CON),
0.5%
-Cit,
1%
1.5%
with
10
replicates
per
group
six
birds
replicate.
feeding
trial
lasted
for
63
days.
body
weight
at
42
days
days,
well
average
daily
gain
day
1
63,
linearly
quadratically
-citrulline.
plasma
concentrations
citrulline,
ornithine,
dose
-Cit.
-citrulline
total
capacity
(T-AOC)
superoxide
dismutase
(SOD)
levels
decreased
interleukin-1β
(IL-1β),
IL-6,
tumor
necrosis
factor
alpha
(TNF-
α
).
Dietary
also
altered
overall
composition
broiler
microbiota,
increasing
relative
abundance
Prevotellaceae_UCG-001
while
reducing
Synergistota
Campylobacterota.
This
indicates
can
enhance
performance
broilers,
improve
activity
functions,
thereby
protecting
health.
optimum
dietary
amount
1.5%.
Language: Английский
An in-depth overview of the nutritional advantages of medicinal plant supplementation in poultry feed
World s Poultry Science Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 36
Published: Feb. 28, 2025
Language: Английский
Enhancing Broiler Welfare and Foot Pad Quality through the Use of Medicinal Plant-Based Pellets as Bedding Material
Agriculture,
Journal Year:
2024,
Volume and Issue:
14(7), P. 1091 - 1091
Published: July 6, 2024
The
aim
of
this
study
was
to
investigate
the
impact
different
bedding
materials
on
both
production
performance
and
foot
quality,
assessed
through
incidence,
severity,
microbiological
quality
pad
dermatitis
(FPD).
A
total
2400
Ross
308
chickens
were
raised
over
42
days,
distributed
across
eight
material
types
(eight
groups
×
four
treatments
75
each).
These
pellets
either
lacked
medicinal
plant
components
or
included
30%
parts,
such
as
oregano
(Origanum
vulgare),
summer
savory
(Satureja
hortensis),
lemon
balm
(Melissa
officinalis),
salvia
(Salvia
thyme
(Thymus
vulgaris).
Production
controls
body
weight
(BW)
at
days
age,
feed
conversion
ratio
(FCR),
mortality.
severity
FPD
evaluated
28,
35,
using
a
scale
ranging
from
S0
S3.
analysis
feet
based
score.
Broilers
straw
chaff
(bedding:
24%
6%
savory,
18%
12%
thyme)
exhibited
highest
BW.
Straw
chaff-reared
broilers
demonstrated
lowest
FCR.
mortality
occurred
bedding,
which
may
have
been
caused
by
high
share
could
be
toxic.
At
35
in
group
best
while
those
had
worst
one.
influence
plants
particularly
notable
reducing
Listeria
sp.
This
reduction
likely
due
presence
carvacrol
quercetin
balm,
thymol
thyme.
Based
our
research,
for
are
with
salvia,
thymus
most
effective
limiting
Language: Английский
Influence of probiotic strains on growth performance, carcass characteristics and seasonal changes of growing New Zealand white rabbits
Elwy A. Ashour,
No information about this author
Islam M. Youssef,
No information about this author
Ahmed I. Elsherbeni
No information about this author
et al.
Tropical Animal Health and Production,
Journal Year:
2024,
Volume and Issue:
56(8)
Published: Oct. 8, 2024
Language: Английский
Role of feed additives in mitigating the impact of heat stress on poultry gut health and productivity
Nawal Fatima,
No information about this author
Muhammad Ahmad,
No information about this author
Muhammad Usman
No information about this author
et al.
World s Poultry Science Journal,
Journal Year:
2024,
Volume and Issue:
80(4), P. 1055 - 1075
Published: Oct. 1, 2024
As
global
poultry
production
expands
to
meet
rising
demand,
the
susceptibility
of
birds
heat
stress
has
increased
owing
advancements
in
chicken
genetics
and
warming.
This
review
explores
significant
impact
on
gut
health
by
altered
permeability
microbiota.
Heat
is
characterised
prolonged
exposure
elevated
ambient
temperatures,
triggering
thermoregulatory
processes
poultry,
which
can
lead
adverse
effects
such
as
respiratory
alkalosis
bone
degeneration.
These
physiological
disruptions
compromise
homoeostasis,
suppress
intestinal
immunity
digestive
functions
cause
gastrointestinal
inflammation,
thereby
affecting
growth,
productivity
overall
well-being
poultry.
Various
strategies,
including
housing
modifications,
genetic
selection,
food
manipulation
use
feed
additives,
bioactive
chemicals,
prebiotics,
organic
acids,
medicinal
plants
probiotics,
have
been
employed
mitigate
these
effects.
emphasises
role
additives
supporting
health,
enhancing
animal
welfare,
sustainability
face
climate
change.
Future
research
avenues
are
suggested
improve
our
understanding
development
effective
nutritional
strategies
combat
Language: Английский
Evaluating the efficacy of probiotics and ascorbic acid as anti-stress agents against heat stress in broiler chickens
Frontiers in Veterinary Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Oct. 22, 2024
Heat
stress
poses
a
substantial
challenge
to
poultry
production
worldwide,
highlighting
the
urgent
need
for
effective
management
strategies.
This
study
investigated
efficacy
of
probiotics
(
Saccharomyces
cerevisiae
)
and
ascorbic
acid
as
antistress
agents
using
cloacal
body
surface
temperatures
(CT
BST)
heat
biomarkers
in
broiler
chickens.
A
total
56
chicks
were
used
experiment
divided
into
four
distinct
groups:
control,
(1
g/kg
feed),
(200
mg/kg
feed)
combination
200
feed,
respectively).
The
lasted
35
days;
measurements
taken
ambient
temperature
(AT),
CT,
BST.
pens
consistently
exceeded
thermoneutral
zone
(TNZ)
established
CT
values
chickens
probiotic
group
significantly
lower
p
<
0.05)
compared
control
group.
Additionally,
BST
+
groups
than
those
findings
suggest
that
incorporating
probiotics,
with
or
without
acid,
can
effectively
reduce
thereby,
enhancing
thermoregulation
when
implies
diets
may
enhance
health
growth
performance,
potentially
leading
better
feed
efficiency
reduced
reliance
on
antibiotics.
Implementing
these
dietary
strategies
could
improve
productivity
welfare
commercial
settings.
Language: Английский
Productive Performance and Carcass Characteristics of Broiler Chickens Fed on Diets with Different Protein, Energy Levels, and Essential Oils During the Warm Season in Dry Tropics
Animals,
Journal Year:
2024,
Volume and Issue:
14(22), P. 3179 - 3179
Published: Nov. 6, 2024
This
study
evaluated
the
productive
performance
and
carcass
traits
of
broiler
chickens
during
warm
season
in
dry
tropical
conditions.
Two
hundred,
1-day-old
chicks
were
used.
Birds
fed
on
reduced
(RED)
standard
(STD)
diets,
two
essential
oils
(EOs)
levels,
0
200
ppm.
The
RED
diets
formulated
with
10%
less
energy
protein
than
STD
diets.
In
starter
phase,
weight
gain
was
greater
(
Language: Английский
Flavonoids, Isoquinoline Alkaloids, and Their Combinations Affect Growth Performance, Inflammatory Status, and Gut Microbiome of Broilers Under High Stocking Density and Heat Stress
Kittisak Insawake,
No information about this author
Thaweesak Songserm,
No information about this author
Ornprapun Songserm
No information about this author
et al.
Animals,
Journal Year:
2024,
Volume and Issue:
15(1), P. 71 - 71
Published: Dec. 31, 2024
High
stocking
density
(HSD)
and
heat
stress
(HS)
challenge
broiler
production.
While
antibiotics
can
mitigate
the
adverse
effects
of
HS
HSD,
their
restricted
use
underscores
need
to
explore
phytochemicals,
particularly
combined
under
such
conditions.
This
study
investigated
influence
flavonoids,
isoquinoline
alkaloids,
combinations
as
alternatives
bacitracin
on
growth
performance,
inflammatory
status,
gut
morphology,
ceca
microbiome
in
broilers
raised
HSD
HS.
A
total
2100
one-day-old
male
Ross
308
chicks
were
distributed
into
70
replicates,
randomly
assigned
one
seven
dietary
treatments
during
summer
for
37
days.
The
included
normal
(NSD,
10
birds/m2);
(15
+
50
ppm
(BCT);
300
flavonoids
(FVNs);
80
alkaloids
(IQAs);
FVNs
(1–10
days)
IQAs
(11–37
(FVN-IQA);
(IQA-FVN).
index
reached
or
exceeded
160
most
experimental
period.
From
11
24
days
age,
BCT
birds
had
lower
body
weight
gain.
FVNs,
IQAs,
decreased
corticosterone,
IL-6,
malondialdehyde,
heterophil–lymphocytes
ratio
compared
HSD.
Jejunal,
ileal,
duodenal
villi
height/crypt
depth
was
than
other
except
BCT.
α-
β-diversity,
microbiota
composition,
metabolic
pathways
affected
by
treatment
groups.
Overall,
improved
anti-inflammatory
response,
health
HS,
with
exerting
synergistic
effects.
Language: Английский