Heat stress and poultry production: a comprehensive review
Poultry Science,
Год журнала:
2023,
Номер
102(12), С. 103141 - 103141
Опубликована: Сен. 23, 2023
The
impact
of
global
warming
on
poultry
production
has
gained
significant
attention
over
the
years.
However,
our
current
knowledge
and
understanding
mechanisms
through
which
heat
stress
(HS)
resulting
from
affects
welfare,
behavior,
immune
response,
performance,
even
transgenerational
effects
in
are
still
incomplete.
Further
research
is
needed
to
delve
deeper
into
these
gain
a
comprehensive
understanding.
Numerous
studies
have
investigated
various
biomarkers
poultry,
aiming
identify
reliable
markers
that
can
accurately
assess
physiological
status
well-being
birds.
there
amount
variation
inconsistency
results
reported
across
different
studies.
This
highlights
need
for
more
standardized
methods
assays
clearer
factors
influence
poultry.
review
article
specifically
focuses
3
main
aspects:
1)
neuroendocrine
behavioral
responses
HS,
2)
HS
3)
been
studied
By
examining
changes
exhibited
by
under
we
aim
insights
elevated
temperatures
Язык: Английский
Appropriate Genetic Approaches for Heat Tolerance and Maintaining Good Productivity in Tropical Poultry Production: A Review
Veterinary Sciences,
Год журнала:
2023,
Номер
10(10), С. 591 - 591
Опубликована: Сен. 25, 2023
Heat
stress
is
a
major
environmental
threat
to
poultry
production
systems,
especially
in
tropical
areas.
The
effects
of
heat
have
been
discovered
several
areas,
including
reduced
growth
rate,
egg
production,
low
feed
efficiency,
impaired
immunological
responses,
changes
intestinal
microflora,
metabolic
changes,
and
deterioration
meat
quality.
Although
methods
used
address
the
problem,
it
persists.
answer
this
problem
can
be
remedied
sustainably
if
genetic
improvement
approaches
are
available.
Therefore,
purpose
review
article
was
present
application
different
hope
that
users
will
find
suitable
solutions
for
their
population
able
plan
future
breeding
programs.
Язык: Английский
Sex differences in intestinal morphology and increase in diencephalic neuropeptide Y gene expression in female but not male Pekin ducks exposed to chronic heat stress
Journal of Neuroendocrinology,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 3, 2024
Abstract
The
impact
of
heat
stress
(HS)
on
production
is
intricately
linked
with
feed
intake.
We
investigated
the
effects
HS
intestines
and
diencephalic
genes
in
Pekin
ducks.
One
hundred
sixty
adult
ducks
were
allocated
to
two
treatment
rooms.
control
room
was
maintained
at
22°C
35°C
for
first
10
h
day
then
reduced
29.5°C.
After
3
weeks,
hens
5
drakes
euthanized
from
each
jejunum
ileum
collected
histology.
Brains
gene
expression
analysis
using
qRT‐PCR.
Intestinal
morphology
data
analyzed
two‐way
ANOVA
Kruskal–Wallis
test.
There
an
increase
villi
width
(
p
=
.0136)
.0019)
compared
controls.
showed
a
higher
crypt
depth
(CD)
.0198)
goblet
cells
(GC)
count
.0169)
hens.
GC
.07)
density
.0054)
ileum,
not
jejunum,
Further,
there
no
differences
proopiomelanocortin
either
sex
but
neuropeptide
Y
(NPY)
.031)
only
decrease
corticotropin
releasing
hormone
.037)
These
show
that
are
effect
gut
while
upregulation
NPY
may
suggest
role
mediating
response
chronic
HS.
Язык: Английский
Effect of dietary supplementation of coriander seed (Coriandrum sativum l.) On gut morphology in broiler chickens
Online Journal of Animal and Feed Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 25, 2024
Several
herbal
plants
have
demonstrated
remarkable
efficacy
in
modulating
the
morphology
of
gut,
leading
to
improved
nutrients
absorption,
enhanced
growth,
and
reduced
susceptibility
diseases.
Aim
this
study
was
investigate
effects
different
levels
coriander
seed
powder
(CSP;
0%
as
T1,
1.5%
T2
3.5%
T3)
broiler
chickens
gut
morphology.
A
total
180
one-day-old
chicks
were
randomly
allocated
into
3
treatment
groups
60
chick/group
replicates.
The
trial
designed
according
a
completely
randomized
design
for
45
days.
histomorphology
duodenum,
jejunum
ileum
[villus
height
(VH),
villus
width,
crypt
depth
(CD)
depth;
VH:CD
ratio]
investigated.
result
showed
significant
increase
(P<0.01)
two
treatments
(1.5%
3.5%)
compared
control
all
segments.
Moreover,
on
ratio
is
observed
between
dietary
use
CSP
had
duodenum
group.
In
conclusion,
application
at
positive
effect
However,
further
research
required
understand
precise
mechanisms
underlying
medicine
plant
well
what
ideal
percentage
each
will
be
added
best
performance.
Язык: Английский
Effect of Pre-Treatment, Treatment, and Extraction Technologies on the Bioactive Substances of Coriander
Applied Sciences,
Год журнала:
2024,
Номер
14(19), С. 8989 - 8989
Опубликована: Окт. 5, 2024
Herbs
and
spices,
with
their
wealth
of
bioactive
compounds,
are
widely
used
in
food,
medicine,
cosmetics.
Among
them,
coriander
(Coriandrum
sativum
L.)
is
particularly
valued
for
its
medicinal
culinary
properties.
Growing
consumer
industrial
interest
natural
products
has
led
to
the
development
modern,
environmentally
friendly
extraction
techniques
designed
improve
yield
quality
extracts
while
reducing
time,
energy,
solvent
consumption.
These
processes
make
it
possible
obtain
optimal
quantities
active
thereby
meeting
growing
demand
plant-based
products.
After
showing
evidence
coriander’s
health
benefits,
this
review
summarizes
research
findings
on
impact
some
treatments
pretreatments
phytochemical
composition.
that,
different
aspects
use
conventional
non-conventional
constituents,
mainly
polyphenols
crude
essential
oils
(EO).
these
methods,
microwave-assisted
(MAE/MAHD)
emerges
as
one
most
efficient
offering
higher
yields,
better-quality
extracts,
a
significant
reduction
energy
costs.
Язык: Английский