Effects of on-farm hatching versus hatchery hatching on growth performance, gut development, and intestinal health and function in broiler chickens
Poultry Science,
Journal Year:
2025,
Volume and Issue:
104(2), P. 104770 - 104770
Published: Jan. 4, 2025
An
alternative
hatching
system
known
as
hatch
on-farm
(HOF)
provides
early
access
to
feed
compared
in
hatchery
(HH)
system.
Early
feeding
may
promote
favorable
gut
development,
potentially
improving
intestinal
health
and
broiler
performance.
Previous
studies
have
assessed
the
effects
of
HOF
on
chick
quality,
welfare
performance,
its
impacts
remain
inconclusive.
A
total
560
Ross
308
male
chicks
were
reared
until
d
38,
hatched
either
a
(n
=
280)
or
280),
with
14
replicates
per
20
birds
pen.
Production
parameters
periodically
monitored.
Digestive
immune
organ
characteristics,
permeability
histomorphology
7,
14,
38.
High-throughput
qPCR
analyzed
79
ileal
genes
regarding
barrier
integrity,
function,
nutrient
transporters,
hormones,
metabolism,
oxidation.
had
higher
d1
body
weights
than
HH
(P
<
001),
but
this
advantage
disappeared
within
first
week,
no
subsequent
performance
differences.
chickens
demonstrated
increased
duodenal
villus
width
7
crypt
depth
submucosal
thickness
0.05).
Relative
bursal
weight
was
0.018)
tended
be
38
0.094).
Intestinal
remained
unaffected
>
0.05),
while
showed
upregulation
such
MUC5ac
CLDN2
MUC2
also
transports
including
VDR
SLC30A1
SLC5A9
decreased
expression
appetite-suppressing
hormone
CCK
upregulated
immune-related
genes,
IL-8
IL-6,
IFN-γ,
AVBD9
NOS2
oxidation
gene
HIF1A
0.039).
In
conclusion,
although
only
transient
growth
advantages,
it
enhanced
mucosal
morphology
modulated
immunity,
indicating
improved
health.
Language: Английский
In ovo sodium butyrate administration differentially impacts growth performance, intestinal barrier function, immune response, and gut microbiota characteristics in low and high hatch-weight broilers
Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Dec. 7, 2024
Language: Английский