Animals,
Год журнала:
2024,
Номер
14(4), С. 557 - 557
Опубликована: Фев. 7, 2024
The
aims
of
this
study
were
to
find
suitable
environmental
enrichment
(EE)
and
evaluate
the
combined
effect
two
EEs,
variable
light
intensity
(VL)
lighting
program
EH,
on
mental
health
hepatic
metabolic
regulation
in
commercial
broilers.
To
advantageous
EEs
for
broilers,
three
different
(board,
hut,
ramp)
tested
trial
1.
placed
engagement
birds
dustbathing
behavior,
daily
physical
activity
observed.
Birds
treated
with
huts
showed
higher
than
board-
or
ramp-treated
(p
<
0.05).
results
behavior
indicated
that
hut
(EH)
is
most
favorable
In
second
trial,
test
EHs
conditions,
brain
liver
sampled
from
four
treatment
(20
lx_Con,
20
lx_Hut,
VL_Con
VL_Hut)
day
42.
lower
expression
TPH2
(tryptophan
hydroxylase
2)
VL_Hut
those
lx_Hut
suggests
combining
VL
central
serotonergic
homeostasis
Reduced
expressions
TH
(tyrosine
hydroxylase),
GR
(glucocorticoid
receptor),
BDNF
(brain-derived
neurotrophic
factor)
compared
suggest
stress,
stress
susceptibility,
chronic
social
birds.
CPT1A
(carnitine
palmitoyl
transferase
1)
increased
over
three-fold
lx_Con
(VL_Hut)
significantly
decreased
but
not
lx
lx_Hut).
ACCα
(acetyl-CoA
carboxylase
alpha)
was
There
no
significant
difference
FBPase
(fructose-1,6-bisphosphatase),
GR,
11β-HSD1
(11
β-hydroxysteroid
dehydrogenease-1)
between
birds,
stimulated
suggesting
reduced
fatty
acid
synthesis
β-oxidation
broilers’
improved
de
novo
glucose
production.
Taken
together,
voluntary
by
light-enriched
broiler
house
function
broilers
may
indicate
contributes
efficient
nutritional
support
Journal of Xenobiotics,
Год журнала:
2024,
Номер
14(1), С. 110 - 134
Опубликована: Янв. 9, 2024
In
recent
decades,
the
poultry
farming
industry
has
assumed
a
pivotal
role
in
meeting
global
demand
for
affordable
animal
proteins.
While
makes
substantial
contribution
to
food
security
and
nutrition,
it
also
presents
environmental
public
health
challenges.
The
use
of
litter
as
fertilizer
agricultural
soils
raises
concerns
about
transfer
pathogens
drug-resistant
microorganisms
from
farms
crop
production
areas.
On
other
hand,
according
Food
Agriculture
Organization
United
Nations
(FAO),
fungicides
represent
second
most
used
chemical
group
practices.
this
context,
receive
application
both
production.
This
practice
can
result
fungal
contamination
soil
development
antifungal
resistance.
article
explores
necessity
monitoring
resistance,
particularly
areas
with
co-application
fungicides.
It
highlights
fungi
ecosystems,
decomposition,
mutualistic
plant
associations.
We
call
interdisciplinary
research
comprehensively
understand
resistance
environment.
approach
seeks
promote
sustainability
realms
human
health,
agriculture,
environment,
aligning
seamlessly
One
Health
concept.
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
72(15), С. 8693 - 8703
Опубликована: Апрель 4, 2024
Ovalbumin
(OVA)
is
the
principal
protein
constituent
of
eggs.
As
an
alternative
to
eggs,
cell-cultured
OVA
can
reduce
environmental
impact
global
warming
and
land
use.
Escherichia
coli
Nissle
1917
(EcN),
a
probiotic
with
specific
endogenous
cryptic
plasmids
that
stably
exist
in
cells
without
addition
antibiotics,
was
chosen
as
host
for
efficient
heterologous
expression
OVA.
yield
reached
20
mg·L–1
shake
flasks
using
cassette
containing
tac
promoter
(Ptac)
upstream
OVA-coding
sequences
on
plasmid
pMUT2.
Subsequently,
we
improved
level
by
employing
dual
(PP5
combined
Ptac
via
sigma
factor
binding
site
24)
ribosome
(RBS)
substitution.
These
enhancements
increased
production
30
42
mg·L–1,
respectively.
EcNP-P28
harboring
L28
equipped
both
strong
RBS8
3.70
g·L–1
3
L
bioreactor.
Recombinant
natural
showed
similar
biochemical
characteristics,
including
secondary
structure,
isoelectric
point,
amino
acid
composition,
thermal
stability.
This
currently
highest
reported
among
prokaryotes.
We
successfully
constructed
antibiotic-free
system
EcN.
Animals,
Год журнала:
2023,
Номер
13(15), С. 2540 - 2540
Опубликована: Авг. 7, 2023
Local
chicken
breeds
play
a
vital
role
in
promoting
sustainability
by
preserving
genetic
diversity,
enhancing
resilience,
and
supporting
local
economies.
These
are
adapted
to
climates
conditions,
requiring
fewer
external
resources
inputs
for
their
maintenance.
By
conserving
utilizing
breeds,
sustainable
farming
practices
can
be
incentivized,
maintaining
ecosystem
balance
ensuring
food
security
future
generations.
The
present
study
aimed
at
evaluating
the
growth
performance
slaughter
traits
of
two
Italian
(Bionda
Piemontese
Robusta
Maculata)
crosses
with
medium-growth
genotype
(Sasso
chicken®)
reared
conventional
free-range
systems.
system
used
high-energy
high-protein
diet
closed
barn
controlled
temperature,
humidity,
lighting,
stocking
density
33
kg/m2.
low-input
(low-energy
low-protein
composed
GMO-free
feed
ingredients),
uncontrolled
environmental
21
kg/m2
free
access
an
outdoor
area.
birds
were
slaughtered
84
days
age
both
crossbred
chickens
showed
best
results
systems
compared
breeds.
Within
genotype,
final
live
weight
was
similar
In
conclusion,
slow-growth
crossbreeds
should
alternative
systems,
demonstrating
better
than
pure
