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.
Problemy biologii produktivnyh životnyh,
Год журнала:
2024,
Номер
3, С. 31 - 57
Опубликована: Окт. 8, 2024
За
последние
десятилетия
в
производстве
мяса
птицы
произошли
заметные
положительные
сдвиги,
обусловленные
достижениями
технологиях
разведения,
переработки
кормов,
условиях
содержания
и
практике
хозяйственного
управления.
Однако
наличие
непреодолённых
сложных
биологических
проблем
привело
к
снижению
выхода
качества
из-за
снижения
усвояемости
питательных
веществ
корма,
эффективности
их
использования
процессах
метаболизма
активизации
окислительных
процессов
у
цыплят-бройлеров.
Цель
обзора
-
систематизация
обобщение
результатов
иследований
по
разработке
использованию
новых
систем
питания
цыплят-броййлеров,
сбалансированных
нутриентам
биологичеси
активным
факторам.
Осовные
разделы
обзора:
влияние
сбалансированности
раиона
биологически
факторам
на
скорость
роста,
состав
технологические
параметры
цыплят-бройлеров;
проблемы
влияния
инфекций,
ннтоксикаций,
окислительного
теплового
стресса
темпов
роста
аспекте
обеспечения
высокого
мяса.
Успешный
опыт
применения
добавок
лимитирующих
аминокислот,
том
чисде
аргинина,
лейцина,
валина
изолейцина
показывает
возможности
улучшения
состава
тела
цыплят-бройлеров
за
счёт
положительных
сдвигов
метаболизма.
Обогащение
рациона
активными
факторами
(витамины,
пробиотики,
пребиотики,
фитобиотики,
полифенольные
соединения,
органические
кислоты,
эфирные
масла)
способствует
улучшению
Потенциально
растительные
обладающие
антиоксидантным,
противомикробным
противовоспалительным
действием,
могут
стать
эффективной
стратегией
для
перекисного
окисления
липидов
организме
Современные
стратегии
развития
бройлерного
производстваа
должны
включать
себя
разработку
использование
питания,
сбалансированного
факторам,
которые
сыграть
ключевую
роль
улучшении
удовлетворении
требований
рынка.
Over
the
past
decades,
there
have
been
noticeable
positive
changes
in
poultry
production,
driven
by
advances
breeding
technologies,
feed
processing
housing
conditions
and
management
practices.
However,
presence
of
unresolved
complex
biological
problems
has
led
to
a
decrease
yield
quality
meat
due
digestibility
nutrients,
efficiency
their
use
metabolic
processes
activation
oxidative
broiler
chickens.
The
purpose
review
is
systematize
summarize
results
research
on
development
new
nutrition
systems
for
chickens,
balanced
terms
nutrients
biologically
active
factors.
main
sections
review:
influence
balance
area
factors
growth
rate,
composition
technological
parameters
chicken
meat;
infections,
toxications,
heat
stress
rates
ensuring
high
meat.
Successful
experience
with
limiting
amino
acid
supplements,
including
arginine,
leucine,
valine
isoleucine,
shows
possibility
improving
body
chickens
processes.
Enriching
diet
(vitamins,
probiotics,
prebiotics,
phytobiotics,
polyphenolic
compounds,
organic
acids,
essential
oils)
helps
improve
Potentially,
plant
compounds
antioxidant,
antimicrobial
anti-inflammatory
effects
may
be
an
effective
nutritional
strategy
nutrient
utilization
reducing
lipid
peroxidation
Modern
strategies
production
should
include
systems,
factors,
which
can
play
key
role
meeting
market
demands.
Animal Bioscience,
Год журнала:
2024,
Номер
38(3), С. 568 - 574
Опубликована: Окт. 28, 2024
Objective:
Pre-slaughter
transportation
adversely
impacts
the
welfare,
meat
yield,
and
quality
of
broilers,
yet
effects
different
crate
types
on
broiler
chickens
during
winter
remain
underexplored.
The
goal
this
study
was
to
investigate
effect
plastic
iron
crates
in
transit
quality,
carcass,
physiological
traits
winter.Methods:
A
total
175
(35-day-old)
Ross
308
male
broilers
with
an
average
body
weight
about
1,708±33.3
g
(mean±standard
error
mean)
were
picked
after
4
hours
feed
withdrawal
before
transport.
control
group
comprises
birds
farm
(n
=
15)
without
at
173
cm2/kg
density.
transported
into
fixed
(25
per
crate)
(15
four
replicates
type
same
densities.
distance
20
km
for
40
min
speed
30-50
km/h
early
morning
8:00
am
under
−1°C
47%
relative
humidity.Results:
There
no
difference
(p>0.05)
carcass
among
treatments.
Concerning
both
exhibited
lower
(p<0.01)
a*
values
compared
group.
Additionally,
demonstrated
higher
(p<0.05)
b*
breast
other
groups.
In
terms
blood
metabolites,
had
cortisol,
glucose,
lactate
levels
that
did
not
transport.Conclusion:
Broilers
increase
stress
contents
plasma
untransported
winter.
Therefore,
employing
crates,
which
induce
significantly
reduced
cortisol
numerically
glucose
appears
more
favorable
animal
welfare
by
mitigating
stress.
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.
