Brazilian Journal of Poultry Science,
Год журнала:
2024,
Номер
26(4)
Опубликована: Янв. 1, 2024
ABSTRACT
A
total
of
200
one-day-old
Ross
308
male
broilers
were
randomly
assigned
to
4
treatments
and
5
replicates
in
a
completely
randomized
design
assess
growth
performance,
serum
biochemicals,
intestinal
characteristics
for
42
days.
Treatments
comprised
Control
(C),
probiotic,
prebiotic
pomegranate
peel
powder
(PPP).
The
results
showed
that
birds
fed
probiotic
had
higher
average
daily
feed
intake
(ADFI)
gain
(ADG)
compared
the
C
groups
from
day
1
(p<0.05).
Adding
PPP
improved
ADFI
(+2.73%)
ADG
(+3.16%)
42.
significantly
reduced
increased
conversion
ratio
(FCR)
grower
finisher
periods
comparison
C,
respectively.
Moreover,
no
significant
effect
on
FCR
Birds
villus
height
(VH)
lower
crypt
depth
(CD)
duodenum
than
those
other
diets
numerically
surface
area
(VSA)
treatment.
Probiotic
supplementation
enhanced
VSA
jejunum
Superoxide
dismutase
(SOD)
activity
prebiotic-fed
birds,
but
not
ones
Probiotic,
declined
malondialdehyde
(MDA)
levels
treatment
Overall,
inclusion
performance
broiler
chicks.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 21, 2025
This
study
aimed
to
identify
probiotic
candidates
enhance
egg
quality
in
laying
hens
by
isolating
and
characterizing
Bacillus
spp.
from
various
local
environmental
sources,
including
crustacean
guts
such
as
mud
crab
(Scylla
serrata),
blue
(Portunus
pelagicus),
banana
shrimp
(Penaeus
merguiensis)
the
coastal
areas
of
Gulf
Thailand
Andaman
Sea,
pond
sludge,
hot
spring
soil
chicken
feces.
Identification
was
carried
using
biochemical
tests,
evaluation
properties,
16S
rRNA
sequencing
methods.
Biochemical
tests
revealed
that
all
11
isolated
strains
had
characteristics
consistent
with
Six
these
exhibited
high
spore
efficiency,
CPPES01T2
(74.67%),
CKNJh11
(80.33%),
OYNH31
(82.07%),
THPS1
(71.42%).
Strains
were
sensitive
ampicillin
(10
µg/disc),
amoxicillin
(30
cloxacillin
(1
tetracycline
chloramphenicol
kanamycin
µg/disc).
showed
tolerance
heat,
while
CPPES01T2,
CKNJh11,
demonstrated
no
hemolytic
activity.
Furthermore,
selected
for
developing
a
supplementary
feed
16
S
identified
strain
aryabhattai
which
resistance
artificial
gastric
juice
bile
salts.
For
6
weeks
study,
resulting
an
increase
weight
gain
eggshell
chickens
(p
<
0.05).
The
findings
this
suggest
B.
can
be
promising
spore-forming
bacteria
dietary
supplementation
respect
hen
performance,
or
further
development
production.
Cogent Food & Agriculture,
Год журнала:
2024,
Номер
10(1)
Опубликована: Июль 24, 2024
The
leaves
of
Rumex
nervosus
(RNL)
have
beneficial
effects
associated
with
phytochemical
products,
such
as
gallic
acid
(GA),
and
could
therefore
a
positive
effect
on
breast
quality
traits
in
broilers.
This
study
aimed
to
assess
the
potential
supplementation
RNL
natural
herb
quality,
carcass
characteristics,
production
indices
A
total
120
broiler
chicks
were
arbitrarily
assigned
four
dietary
treatment
groups,
each
five
replicates
(♂:♀
=
3:3
per
replicate).
Each
experimental
meal
was
designed
contain
basal
diet
0
g
(CONT),
1
(T1),
3
(T2),
5
(T3).
During
study,
parameters
collected
for
replicate.
On
day
34,
one
male
from
replicate
slaughtered
meat
parameters.
present
findings
revealed
that
broilers
treated
T2
had
larger
absolute
weight
(g)
dressing
yield
(%)
(P
<
0.05)
than
other
treatments.
relative
intestine
increased
increasing
doses
up
g.
In
terms
drip
loss
(DL),
water-holding
capacity
(WHC),
myofibrillar
fragmentation
index
(MFI),
shear
force
(SF)
(as
an
indicator
tenderness),
springiness,
T1
outperformed
T3.
pH,
MFI,
SF,
springiness
decreased
significantly
at
Based
these
it
concluded
use
preservative,
especially
T1,
can
extend
shelf
life
characteristics
fresh
carcasses.
Foods,
Год журнала:
2024,
Номер
13(18), С. 2921 - 2921
Опубликована: Сен. 15, 2024
The
production
of
healthy
animal-derived
food
entails
the
effective
control
foodborne
pathogens
and
strategies
to
mitigate
microbial
threats
during
rearing.
Antibiotics
have
been
traditionally
employed
in
animal
farming
manage
bacterial
infections.
However,
prohibition
antibiotic
growth
promoters
livestock
has
brought
significant
changes
practices.
Although
antibiotics
are
now
restricted
treating
preventing
infections,
their
overuse
caused
serious
public
health
issues,
including
resistance
presence
residues
wastewater.
Therefore,
sustainable
is
crucial
reducing
spread
antibiotic-resistant
bacteria.
Annually,
40–50%
fruit
vegetable
discarded
worldwide.
These
discards
present
potential
for
extracting
value-added
ingredients,
which
can
reduce
costs,
decrease
waste,
enhance
economy.
This
review
highlights
negative
impacts
use
stresses
importance
analyzing
challenges
safety
concerns
ingredients
from
co-products
at
an
industrial
scale.
It
also
explores
current
trends
livestock,
with
a
focus
on
Latin
American
contexts.
Finally,
suitability
using
derived
feeds
discussed.
Poultry Science,
Год журнала:
2025,
Номер
104(2), С. 104759 - 104759
Опубликована: Янв. 6, 2025
Good
skin
quality
not
only
improved
carcass
but
also
increased
consumer
demand
for
fresh
poultry
meat.
This
study
aimed
to
investigate
the
developmental
changes
in
growth
and
of
Pekin
ducks
during
1-6
weeks
age.
The
samples
were
collected
from
breast,
back,
thigh
tissues
six
male
at
end
each
week.
strength,
thickness,
collagen
content
as
well
related
gene
expressions
determined
evaluation
quality.
results
showed
that
body
weight,
absolute
areas,
density,
epidermal
dermal
thickness
(breast
thigh),
shearing
force,
piercing
force
(back
linearly
quadratically
with
age,
reaching
a
plateau
5-6
age
(P
<
0.05).
mRNA
IGF-1
FGFR1
cell
proliferation
highest
3
while
expression
FGF14
EGF
associated
synthesis
reached
maximum
values
5
Additionally,
IGF1R
FGFR2
upregulated
breast
skins
1
week
old
back
compared
birds
other
In
conclusion,
pattern
structure
linear
manner
was
quadratic
manner,
which
target
genes
synthesis.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 23, 2025
Intestinal
microorganisms
play
a
crucial
role
in
chicken
health
and
production
performance,
especially
the
research
of
traditional
organic
feeding
methods.
The
intestinal
contents
feed
chickens
were
analyzed
by
16S
rRNA
gene
metagenome
technology.
results
showed
that
microbial
diversity
was
significantly
higher
than
chickens,
key
microorganisms,
such
as
Enterococcus
,
more
abundant
chickens.
functional
analysis
revealed
significant
difference
metabolic
function
between
them.
present
study
provides
new
insights
into
gut
microbiota
characteristics
based
on
amplicon
metagenomic
sequencing.
Our
are
helpful
to
fully
illustrate
effects
different
methods
can
offer
scientific
basis
for
management.
Frontiers in Veterinary Science,
Год журнала:
2025,
Номер
12
Опубликована: Янв. 30, 2025
Previous
studies
in
mice
have
demonstrated
that
Rhodotorula
mucilaginosa
ZTHY2
can
promote
animal
growth,
enhance
antioxidant
and
immune
functions,
regulate
intestinal
flora
our
laboratory.
This
study
focuses
on
the
Leizhou
black
duck,
a
local
breed
Zhanjiang,
to
evaluate
effects
of
its
capacity,
function.
A
total
150
1-day-old
male
ducks,
similar
size
healthy,
were
selected
for
this
randomly
assigned
five
treatment
groups.
Each
group
contained
three
replicates
with
ten
birds
each.
The
control
(Control)
was
given
standard
basal
diet,
while
RM
received
diet
supplemented
at
concentrations
2
×
10
7
(RM1),
8
(RM2),
or
9
(RM3)
CFU/kg,
respectively.
LA
CFU/kg
Lactobacillus
acidophilus
addition
diet.
feeding
trial
lasted
42
days.
analysis
revealed
significant
improvements
average
body
weight
RM2
RM3
groups,
which
significantly
higher
than
(
p
<
0.05
0.01).
Treatment
induced
dose-dependent
elevation
superoxide
dismutase
(SOD),
catalase
(CAT),
glutathione
peroxidase
(GSH-Px),
SOD
activities,
reduction
malondialdehyde
(MDA)
content
serum
levels
complement
components
C3
C4,
immunoglobulin
IgG,
cytokines
IFN-
γ
,
IL-2,
IL-4,
IL-6,
TNF-
α
increased
ducks
treated
42-days
post-treatment,
therapeutic
effect
becoming
more
pronounced
as
duration
experiment
prolonged.
greatest
impact
observed
dosage
ZTHY2.
Moreover,
modulated
mRNA
expression
profiles
these
thymus,
spleen,
bursa,
thereby
sustaining
balance
dynamics.
In
summary,
supplementation
had
been
found
most
effectively
growth
performance
by
optimizing
their
function
capacity.
Microorganisms,
Год журнала:
2025,
Номер
13(3), С. 525 - 525
Опубликована: Фев. 27, 2025
Salmonellosis
in
broilers
is
a
disease
with
considerable
economic
implications
for
the
poultry
industry.
As
foodborne
illness,
it
also
poses
public
health
risk
due
to
potential
cross-contamination.
Probiotics
have
been
proposed
as
alternative
feed
additives
aiming
enhance
growth,
livestock
productivity,
and
overall
health.
This
study
investigated
dietary
impact
of
Lactococcus
lactis
JNU
534
on
growth
performance,
blood
characteristics,
internal
organ
weight,
meat
quality
inoculated
Salmonella
enteritidis
(SE).
A
total
96
one-day-old
Arbor
Acres
broiler
chickens,
comprising
both
sexes,
were
challenged
SE
randomly
assigned
into
two
treatment
groups
housed
eight
pens
(four
per
each
treatment,
12
birds
pen).
They
fed
commercial
diet
35
days.
The
consisted
control
group
receiving
feed,
supplemented
0.3%
L.
534.
Probiotic
supplementation
significantly
improved
average
body
weight
gain,
efficiency,
carcass
yield
compared
(p
<
0.05).
Notably,
abdominal
fat
pad
was
reduced
probiotics
Meat
assessments
revealed
no
significant
differences
between
terms
pH,
cooking
loss,
drip
water-holding
capacity.
These
findings
suggest
that
promising
candidate
mitigate
negative
effects
performance
farms,
without
adversely
affecting
Extending
research
other
types
could
help
confirm
its
wider
use
an
antibiotics.