PARTNER,
Journal Year:
2024,
Volume and Issue:
29(2), P. 238 - 238
Published: Nov. 30, 2024
ABSTRAK
Pakan
berkualitas
memegang
peranan
vital
dalam
pemeliharaan
ternak.
Salah
satu
pendekatan
yang
dapat
digunakan
untuk
mencapai
tuuan
ini
adalah
dengan
menambahkan
imbuhan
pakan
(
feed
additive
)
misalnya
berupa
enzim.
Penelitian
bertujuan
mengevaluasi
bagaimana
kemampuan
katalitik
Enzim
Keratinase,
Lipase
dan
Selulase
dari
isolat
Actinomycetes
SD-5
berpotensi
dikembangkan
sebagai
ternak
multienzim.
Isolat
telah
diisolasi
sebelumnya
sedimen
di
kawasan
pantai
Mangrove
Oesapa
Barat,
Kota
Kupang.
Uji
dilakukan
terhadap
enzim
Keratin,
secara
berturut-turut
menggunakan
media
Keratin
Agar,
Lipid
Agar
Carboxymethyl
Cellulose
(CMC)
Agar.
Parameter
diamati
terbentuknya
zona
hidrolitik
sekitar
koloni
tumbuh
pada
meedia
uji.
Hasil
penelitian
menunjukkan
bahwa
mampu
menghasilkan
ketiga
tersebut
ditandai
zona-zona
terbentuk
agar
Dengan
demikian,
disimpulkan
lebih
lanjut
multienzim
.
Kata
kunci
:
Actinomycetes,
Lipase,
Mangrove,
Sedimen,
Selulase.
ABSTRA
CT
Quality
plays
a
role
in
livestock
maintenance.
One
approach
to
achieve
this
is
by
adding
additives,
such
as
enzymes.
This
study
aims
evaluate
the
catalytic
capabilities
of
and
Cellulase
enzymes
from
isolate
SD-5,
which
has
potential
be
developed
multi-enzyme
for
livestock.
was
previously
obtained
sediment
mangrove
coastal
area
Kupang
City.
Catalytic
tests
were
conducted
on
using
media,
respectively.
The
observed
parameter
formation
hydrolytic
zones
around
colonies
grown
test
media.
results
showed
that
capable
producing
all
three
enzymes,
indicated
formed
Thus,
it
can
concluded
further
additive.
Keywords
Sediment,
Cellulase.
Animal Research and One Health,
Journal Year:
2024,
Volume and Issue:
2(1), P. 16 - 27
Published: Feb. 1, 2024
Abstract
The
objective
of
this
study
is
to
evaluate
the
effects
tannic
acid
(TA)
derived
from
gallnut
supplementation
on
growth
performance
and
health
status
weaned
piglets.
A
total
432
weanling
piglets
(7.05
±
1.05
kg)
were
randomly
allocated
into
4
treatment
groups
with
6
replicates
18
pigs/pen.
Piglets
fed
either
a
basal
diet
(CON),
or
diets
supplemented
1.5
kg/t
TA,
3.0
1.8
zinc
oxide
(ZnO)
for
21
days.
results
showed
that,
compared
CON,
dietary
TA
did
not
affect
(
p
>
0.05)
serum
biochemistry
However,
had
higher
SOD,
GPX,
CAT
activities
lower
MDA
concentration
in
jejunum
than
those
CON
ZnO
group.
Meanwhile,
increased
<
villus
height
height/crypt
depth,
decreased
crypt
depth
small
intestine.
Dietary
also
downregulated
IL‐1β
TNF‐α
expression
jejunum.
Furthermore,
reduced
abundance
Candidatus
Brocadia
Escherichia‐Shigella
cecal
digesta.
Notably,
both
negative
correlation
antioxidant
enzymes
R
−0.60,
0.01),
but
was
positively
correlated
concentrations
=
0.44,
In
conclusion,
improved
gut
piglets,
potentially
by
regulating
redox
homeostasis
microbiota.
IOP Conference Series Earth and Environmental Science,
Journal Year:
2025,
Volume and Issue:
1487(1), P. 012174 - 012174
Published: April 1, 2025
Abstract
The
current
study
was
conducted
at
the
poultry
field,
Agriculture
College,
Al-Muthanna
University,
from
21/03/2024
to
24/04/2024.
317
broiler
chicks
of
Ross
308
breed,
one
day
old,
unsexed
and
with
an
initial
weight
40±1.0
gm,
were
used.
They
distributed
randomly
into
7
treatments
3
replicates
for
each
treatment
(15
replicate).
as
follows:
T1:
control
treatment.
As
rest
treatments,
soybeans
replaced
feather
powder
a
rate
2%
following
treatments;
T2:
partial
replacement
decomposed
by
enzyme
Keratinase
concentration
100,000
IU.
T3:
200,000
T4:
treated
sodium
hydroxide
NaOH
2%.
T5:
5%.
T6:
heat-treated
30
minutes.
T7:
60
fed
starter
feed
period
1
15
days,
finisher
16
days
until
end
experiment
age
35
days.
results
showed
that
possibility
meal
in
without
affecting
some
biochemical
blood
characteristics
immune
chickens
308.
Journal of the Science of Food and Agriculture,
Journal Year:
2024,
Volume and Issue:
104(9), P. 5176 - 5185
Published: Jan. 29, 2024
The
present
study
was
conducted
to
investigate
the
effects
of
dietary
novel
alkaline
protease
from
Bacillus
licheniformis
on
growth
performance,
meat
quality,
antioxidant
status
and
intestinal
morphology
broilers.
In
total,
4000
broilers
were
randomly
assigned
into
five
groups
treated
with
normal
control,
control
+
100
mg
kg
Journal of Pure and Applied Microbiology,
Journal Year:
2023,
Volume and Issue:
17(2), P. 732 - 748
Published: May 31, 2023
Keratin
is
a
fibrous
and
recalcitrant
protein
found
in
feathers,
nails,
horns,
hooves,
the
epidermis
of
skin.
The
presence
high
degree
disulfide
bonds,
hydrogen
hydrophobic
interactions
makes
them
resistant
to
mechanical
stress
are
not
degraded
by
common
proteases
such
as
trypsin,
pepsin,
papain.
Due
slow
degradation
keratinous
protein,
accumulation
solid
wastes
from
poultry,
slaughterhouse,
textile,
leather
industries
leads
waste
problems
other
environmental
health
related
problems.
In
this
review,
efficient
biodegradation
microorganisms,
low-cost,
environmentally
friendly
strategy
has
been
discussed.
Keratinases
microbial
hydrolyze
hard
keratin.
decomposition
keratin
keratinases
maintains
original
structure
final
products,
including
short
peptides,
amino
acids,
organic
nitrogen
which
deteriorated
when
traditional
or
chemical
method
implemented.
article,
role
producing
bacterial
fungal
species
their
attributes
elaborated,
along
with
biochemical
characteristics
keratinases,
further,
engineering
approaches
discussed,
prospects
enhance
activity
for
biotechnological
applications.
Biochemical Genetics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 27, 2024
Abstract
The
feather
growth
rate
in
chickens
included
early
and
late
feathering.
We
attempted
to
characterize
the
genes
pathways
associated
with
that
are
not
agreement
Mendelian
inheritance.
Gene
expression
profiles
hair
follicle
tissues
of
late-feathering
cocks
(LC),
early-feathering
(EC),
hens
(LH),
(EH)
were
acquired
using
RNA
sequencing
(RNA-seq),
mass
spectrometry
(MS),
quantitative
reverse
transcription
PCR
(qRT‑PCR).
A
total
188
differentially
expressed
(DEGs)
ascertained
EC
vs.
LC
538
DEGs
identified
EH
LH.
observed
14
up-regulated
9
down-regulated
screened
both
MS
revealed
41
138
proteins
(DEPs)
out
LH,
respectively.
Moreover,
these
DEPs
enriched
multiple
feather-related
pathways,
including
JAK-STAT,
MAPK,
WNT,
TGF-β,
calcium
signaling
pathways.
qRT-PCR
assay
showed
WNT8A
was
decreased
compared
EC,
while
ALK
GRM4
significantly
relative
This
study
helps
elucidate
potential
mechanism
do
conform
genetic
law.